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nzjetboating.com Forums => Projects => Topic started by: sidewz on October 25, 2006, 13:10:16 PM

Title: The coffin
Post by: sidewz on October 25, 2006, 13:10:16 PM
So whats 8 ft long, wooden, and floats?


My new project, the coffin!
Length: 2400
Beam: 1100
Weight: Under 80 kg is the target!
Power: Kawasaki 550 with extensive mods.
Hull: 6mm Ply, stitch and glue.


Hoping it will turn out looking like a mini sprint hull. Some of you may have seen my first project,  "Lego Jet". It was 11ft, solid glass, and too damn heavy for a Kawasaki setup.
I mean it went ok, but it was never going to scare anyone!    It wasted too much space with things like passenger seats etc.

So this time its just the necessities:  Motor, Seat, and Gas pedal!

Heres a couple of pics of the progress so far.

Dave
Title: Re: New project - The coffin
Post by: pebo on October 25, 2006, 14:39:08 PM
awesome  :) :) :) Can't wait to see how it goes
Title: Re: New project - The coffin
Post by: Matthewf/Norbert/TuiDog on October 25, 2006, 15:16:00 PM
fantastic dave
Title: Re: New project - The coffin
Post by: sidewz on October 26, 2006, 08:59:13 AM
Looks like a great project 8) 8)

Might be a bit awkward for the driver with all that timber in the middle ::) ::) ;D ;D ;D

Thats my roll bar :) .   Any metal fabricator would get all excited about their Chrome-Molly roll bar, for me though, its Kiln dry Laser Frame 4x2!!

hahahha
Title: Re: New project - The coffin
Post by: sidewz on October 26, 2006, 09:50:30 AM
Heres a couple more pics.

Most of the structural glueing and glassing has been done, using heavy jointing tape.
Now its time to glass the bottom of the hull and do a bit (maybe a lot) of fairing.

I am also casting an intake housing based on the original ski. I like my ski, and dont want to chop it up!, yet.
The photo shows the mold I made from the original ski. It needs a bit of work to get the deadrise the same as the hull. Lots of bogging and sanding!

The entire pump and intake will sit outbourd, so theres a bit of work to be done around fixing it to the hull and making it strong enough to take the knocks.

Progress is a bit slow at the moment as Im making some furniture for the wife, but i will be back into it soon.

Dave

Title: Re: New project - The coffin
Post by: wrongway2 on October 28, 2006, 01:33:50 AM


Progress is a bit slow at the moment as Im making some furniture for the wife, but i will be back into it soon.

Dave



Furniture suggestions for you;

Breakfast bar chairs that look a lot like bucket seats

Linen chest that is the same size as an engine box

Then paint them a colour that does not match the room they will go in.
Title: Re: New project - The coffin
Post by: sidewz on October 29, 2006, 19:27:33 PM
hahah

"Look honey, I made you one of those boat shaped bookshelves that everyones buying. "



Title: Re: New project - The coffin
Post by: Barry on October 29, 2006, 22:01:36 PM
nice looking hull keen to see how it will go
Title: Re: New project - The coffin
Post by: sidewz on November 23, 2006, 16:38:20 PM
took it for a test ride last night.
Low on power, and im concerned about its water tightness  ;D ;D ;D ;D ;D ;D


No seriously, I took it off the form last night. A bit of a chance to measure it up and check seat and motor positions.
Spaces seems to be a bit of a premium in this project.

I also scored an old ski hull for, so i took to that ovr a few bourbons, and completed the open-heart surgery in record time. (thanks to my trusty recip saw).
By using the intake housing and pump mounts from the old ski I will save myself a lot of fabrication time and hassle.

Slowly getting closer.

Dave
Title: Re: New project - The coffin
Post by: sidewz on July 06, 2008, 20:55:24 PM
Well it has been a little while, but work has started again on the little project.

Heres a few pics of the progress.

Title: Re: New project - The coffin
Post by: sidewz on July 06, 2008, 20:57:51 PM
The hardest part is done, the pump housing and re-inforcing rails have been glued in.

Title: Re: New project - The coffin
Post by: sidewz on July 06, 2008, 21:00:08 PM
The hull bottom is glassed, and all the joints are taped and glued both sides..
Title: Re: New project - The coffin
Post by: sidewz on July 06, 2008, 21:03:05 PM
And the final seating position.

Next job is to fix the engine mounts and re-enforcing, then its on to finishing the topside.... ;D ;D ;D
Title: Re: New project - The coffin
Post by: JR on July 06, 2008, 21:16:07 PM
Nice looking hull and you have done a magic job  O), O), O),, keep it up... Would like to see it go... Cheers RC
Title: Re: New project - The coffin
Post by: sidewz on July 06, 2008, 21:21:06 PM
Thanks RC.  I too cant wait to see it go.
I think my wife would also like to see it go, out with the trash  ;D ;D

There may be some difficulties getting the rest finished though, my best mate just bought a Jet 53 with an Olds 455 in it. I can see that my attention will be elsewhere for a while..

Title: Re: New project - The coffin
Post by: Imagineering CMF on July 07, 2008, 18:36:45 PM
Thats are really brilliant job there mate - Its going to look great and as long as the weight dosnt get up to much - should go great, if not VQ3o is only 600mm long!
Title: Re: New project - The coffin
Post by: sidewz on July 07, 2008, 18:51:42 PM
Hahah,  at 600mm long, it will make a great seat warmer !!  Might be a bit uncomfy sitting on the dizzy though  :o :o :o

Yeah, the weight should be pretty good. The original 550 jet skis weighed in at about 120kg dry.
I reckon I can beat that by at least 20kg, if not more.

A little bit more surface area to drag around, but I think once im on the plane it would be comparable.

And with the pump tail pipe bored out, it should have a bit more bottom end, which is what its all about ;D

anyway, enough talking, time to get gluing!!!!

Title: Re: New project - The coffin
Post by: spinner on July 07, 2008, 20:36:48 PM
Hey looks pretty cool. I am thinking of doing something a bit similar but a bit bigger with a 4 cylinder turbo. Do you have any plans for the hull?
Title: Re: New project - The coffin
Post by: sidewz on July 07, 2008, 21:01:30 PM
Yeah, they are on the back of a napkin I drew on at a pub one night  O))))

No plans, im working from my mind. I can give you the dimensions / ratios i have used, but that may not help much with a bigger boat. A 4cyl has a fair bit of weight and torque.
This thing is just an overgrown canoe plan, stitch and glue style.

If your really keen on doing it in GOP, check out the GLEN L website for ideas. http://www.glen-l.com/
He only has 1 jet boat, but his bigger inboard/outboard boats will give you an idea of whats required to make a hull strong enough to stuff a 4 banger and a colorado jnr into.

This hull is really just a tester. Once im happy that the hull shape works reasonably well I will splash out and make an Ali one, maybe a touch bigger to take a bigger chainsaw motor. :P

Title: Re: New project - The coffin
Post by: sidewz on July 07, 2008, 22:58:25 PM
Well, me and my friend the power sander did some work tonight.

Making up a template for the topside, very dusty work.

Title: Re: New project - The coffin
Post by: JR on July 08, 2008, 17:54:29 PM
Well, me and my friend the power sander did some work tonight.

Making up a template for the topside, very dusty work.


Very nice to see that you have a Guard on the file.... When i built My hull in the JR project i lost count of the stitches i got O)))) O)))) O))))... But you hull top is looking good,, Cheers RC
Title: Re: New project - The coffin
Post by: aquaholic on July 11, 2008, 10:28:25 AM
Cool project...Nicely done!!! b> b>.
Title: Re: New project - The coffin
Post by: sidewz on July 11, 2008, 22:43:58 PM
My sponser contacted me tonight to advise me I am in breach of my contract. In order to meet my obligations, i need to do the follwing.

This project, proudly sponsored by.....
Title: Re: New project - The coffin
Post by: sidewz on July 11, 2008, 23:02:17 PM
and now for the update.

Working on the seating and controls layout.

The size is good. Any shorter and my bum will get scorch marks.

Any bigger, and I'd be spoiling the fun factor.


Question.
Has anyone made a boat seat before?

I need a small boat seat, but it needs side support.  I could buy a go kart seat, which might be about the right size.

Would need upholstering though. Who knows how to upholster a fiberglass seat?

I hate paying people to do things that I can do myself.

Title: Re: New project - The coffin
Post by: JR on July 11, 2008, 23:10:45 PM
and now for the update.

Working on the seating and controls layout.

The size is good. Any shorter and my bum will get scorch marks.

Any bigger, and I'd be spoiling the fun factor.


Question.
Has anyone made a boat seat before?

I need a small boat seat, but it needs side support.  I could buy a go kart seat, which might be about the right size.

Would need upholstering though. Who knows how to upholster a fiberglass seat?

I hate paying people to do things that I can do myself.



Covering a seat is not problem if you make patterns from old scrap  bits then take in all you cut bits ( final shapes and get them all put together) At an upholster then glue foam to your seat and apply the cover and staple in to place ( Use Stainless Staples )
Dome can hide a lot of mistakes to... Cheers RC
Title: Re: New project - The coffin
Post by: sidewz on July 13, 2008, 11:21:41 AM
..
Title: Re: New project - The coffin
Post by: sidewz on July 20, 2008, 00:03:28 AM
A question about the hull shape.

Chines and planing strakes?

The current hull has reasonably soft chines, and no planing strakes.

Is this ok, or am I going to end up with a squirmy little beast?

From memory, the deadrise is 18deg constant.

Am I going to get enough lift and control?

What are your thoughts?

Cheers
Dave




Title: Re: New project - The coffin
Post by: Matthewf/Norbert/TuiDog on July 20, 2008, 00:38:17 AM
my little boat has no strakes and corners very well ... you can always add some later on.  no strakes means nice soft ride
Title: Re: New project - The coffin
Post by: sidewz on July 23, 2008, 10:34:22 AM
Someone was asking for plans. I dont have plans as such, but here are the dimensions of this boat.

They aren't quite to scale, the curves are not accurate.
 
From memory I was looking at pics of the Eagle sprint Hull when  I sketched this up. So with any luck, it will look like an Eagle when its finished.

Dave
Title: Re: New project - The coffin
Post by: steelo on July 23, 2008, 11:26:02 AM
my little boat has no strakes and corners very well ... you can always add some later on.  no strakes means nice soft ride

Yeah. Exocet missiles don't have planing strakes either. (I think you modeled this boat on one)  O),
Title: Re: New project - The coffin
Post by: sidewz on July 23, 2008, 12:16:32 PM
Yeah. Exocet missiles don't have planing strakes either. (I think you modeled this boat on one)  O),


not sure if the wake is any good for water skiing though?? ;)
Title: Re: New project - The coffin
Post by: steelo on July 23, 2008, 13:39:50 PM
Kite Boarding?
Title: Re: New project - The coffin
Post by: wildrj on July 24, 2008, 11:06:34 AM
my little boat has no strakes and corners very well ... you can always add some later on.  no strakes means nice soft ride

A boat with no strakes will tend to wander around in rough water requiring constant correction.
Especially in a following sea.
Matt's right though, a softer ride.
Title: Re: New project - The coffin
Post by: aquaholic on July 24, 2008, 11:32:28 AM
Hey Dave,

Getting ready to start the " Dyno Jet"... Received some top secret plans in the mail...Thanks for leading me in a direction!!! How's the project moving along?

Adam
Title: Re: New project - The coffin
Post by: sidewz on July 24, 2008, 11:48:53 AM
Awesome, a dynojet build with 100+ horsepower  *-) *-)

My build is coming along well. Got the seat sorted, picked up a 2nd hand one for cheap. Just workign onthe engine mounts now. (3d nightmare).

My boss just told me I have far too much leave, and I have to burn 3weeks of leave before our new financial year (Oct),
so the 4 day weekends start tomorrow, and the boat will get lots of attention!


Title: Re: New project - The coffin
Post by: aquaholic on July 24, 2008, 11:57:23 AM
Ya think it will work in aluminium?

Hate to hear about the 4 day weekends, hope you get done more thinkin than drinkin! ;D
Title: Re: New project - The coffin
Post by: sidewz on July 24, 2008, 12:18:29 PM
http://www.nzjetboating.com/yabbse/index.php?action=post;quote=121465;topic=8169.30;num_replies=37;sesc=e680c7bf116683f7fe0810af0322180a
A boat with no strakes will tend to wander around in rough water requiring constant correction.
Especially in a following sea.
Matt's right though, a softer ride.

Yeah, thats what i have been reading about since.

Realisitically, not a problem in an 8 ft bathtub that im gonna take sprinting around the mangroves.

I think some small strakes at the front will help to keep the steering and the tracking sharp.

Google images may help me to decide shape and position  etc. The reading I have done suggests..
less than 5 deg down angle
should not run right to aft
at least 100mm either side of the pump

Cheers
Dave



Title: Re: New project - The coffin
Post by: sidewz on July 24, 2008, 12:27:00 PM
Ya think it will work in aluminium?

Hate to hear about the 4 day weekends, hope you get done more thinkin than drinkin! ;D

Yeah I'm pretty sure you could build in Ali. Not sure about reinforcing the bottom of the hull, I need to look at the plans again.

That will be a wee ripper!


Title: Re: New project - The coffin
Post by: aquaholic on July 24, 2008, 13:40:10 PM
It's an experiment!!!! It should be ripper!!!! Have an extra motor, sure you don't wanna put a 115 hp in the coffin just to seal the deal!!!! *-) *-)
Title: Re: New project - The coffin
Post by: sidewz on July 24, 2008, 13:45:16 PM
would love to.
Put that spare motor in a bubble bag and send it over.


I will go and get lots more wood & epoxy for reinforcing!!!  O_o
Title: Re: New project - The coffin
Post by: sidewz on July 27, 2008, 20:50:11 PM
These long weekends are really productive, especially when the wife heads out of town.  ;D ;D ;D

The gunnels (for want of a better word) have been glued on. The hull has a fair bit more rigidity now

The fake bulkhead/dash is in place, so I can frame up for the deck.
Also glued in the start of the engine mounts and fixed in the water pipes and steering tubes.

Anyway, all this talking writing will probably be going in one ear eye, and out the other. Time for the pictures.
Title: Re: New project - The coffin
Post by: sidewz on July 29, 2008, 20:28:25 PM
I love my father n laws engineering workshop. Comes in quite handy.

Steering mechanism is built, and I think its going to be a good one.

In the last boat, the wheel was supposed to be go 45deg each way, but it could turn right over, and then the steering was reversed. It also had a huge amount of slop. Not very safe.


Title: Re: New project - The coffin
Post by: sicarius on July 29, 2008, 20:42:28 PM
hey man looking good. thats a wicked looking steering system, when i built my jet dinghy (Dinghy Fever) i used a small rack and pinion system from a small suzuki car with a morse cable attached to one end. It worked mint.
will be very interested to see how she goes. Keep them pic's coming.
Title: Re: New project - The coffin
Post by: sidewz on July 29, 2008, 20:54:21 PM
hahah, classic!!  Thats real number 8 wire job!!

The last project had used an electrical gland to grip/seal the morse cable going through the transom (rough).
It used tiny little cable ties to hold it in place.
Lots of wood screws, and a few bits of 4x2. 
Morse cable extensions using computer mounting hardware..

What a hack job, I had a couple of near misses because of this !!!


Title: Re: New project - The coffin
Post by: sidewz on July 31, 2008, 22:59:17 PM
Even looks like a boat now. ;D

The topsides are too big at the moment.
Im gonna have to trim them down, and have the nose bend down to get it looking right.

I just found all the sprint photo's on h20fullthrottle, and now all I cant stop picking holes in my design.

Nevermind, I will save all the improvements for the next hull...

Title: Re: New project - The coffin
Post by: sidewz on August 06, 2008, 17:27:29 PM
Ok, time to make a windscreen, but my first attempt looks farking stupid   --!

Now I am stuck.

The problem now is the scale of things. It is half the size of a real boat, but the steering wheel i normal size.
So if i put a tiny little screen on, the wheel sticks up over it, which also looks gay.

Also, I think the cone style doesn't suit it.

Anyone got any ideas??   This is do or die. Cant ride in a gay boat, especially when you made it  yourself..... :-X

Title: Re: New project - The coffin
Post by: Bay on August 06, 2008, 17:48:19 PM
Put an aircraft style control wheel on it, you know the type without the top part of the wheel (from about 11 o'clock to 1 o'clock missing)
Ive seen them on some jet boats, Repco sell them..
Title: Re: New project - The coffin
Post by: sicarius on August 06, 2008, 18:09:45 PM
What about a full wrap around windscreen with some form of dash behind it???
Title: Re: New project - The coffin
Post by: sidewz on August 06, 2008, 18:19:32 PM
Yeah good idea, thats what I am playing with now.

I guess I had avoided it because it would have to be HUGE to get up above the steering wheel. But now i realise that anything big enough to cover the wheel will look stupid.

It would allow me to drop the fore-deck down 50mm, and angle it down so that the topsides fade out to a point at the bow, just like a full size sprint hull .

Hmm, we might be on to something here.
Title: Re: New project - The coffin
Post by: sidewz on August 06, 2008, 18:48:56 PM
infact, the 2nd photo on this page shows exactly what needs to be done.

http://www.h2ofullthrottle.com/community/modules.php?name=Forums&file=viewtopic&t=631&postdays=0&postorder=asc&start=15

Title: Re: New project - The coffin
Post by: Bay on August 07, 2008, 00:01:13 AM
Hey I like your boat, its a cool Idear, It will make a great adventure boat

as Im new to the Web Board I missed seeing your photos of your intake, do you mind posting a new photo of your casting.,Thanks

Also dose anyone Know if any Jetskis have an alloy intake??
Title: Re: New project - The coffin
Post by: sidewz on August 07, 2008, 09:21:27 AM
Hi Bray

The forum upgrade recently has hidden some of our photos, so heres a few fresh ones.

I think the Yamaha Wave runners had metal jet units. Im not sure if they are alloy, or plated / painted steel.

http://cgi.ebay.com/ebaymotors/YAMAHA-WR500-650-LX-PUMP-INTAKE-DUCT-WAVE-RUNNER-JAMMER_W0QQcmdZViewItemQQcategoryZ56422QQihZ012QQitemZ220263800914QQrdZ1QQsspagenameZWDVW

http://www.trademe.co.nz/Trade-Me-Motors/Boats-marine/Jetskis/Accessories/auction-167943009.htm

Cheers
dave
Title: Re: New project - The coffin
Post by: kym on August 07, 2008, 20:49:29 PM
have a look at a gokart steering wheel
Title: Re: New project - The coffin
Post by: sidewz on August 07, 2008, 21:12:27 PM
Thanks Kym

I went and bought a sheet of bending ply today, and ive already started hacking away at the topsides, some might say "Rip shirt and bust"  ;D

My friend Mr 40 Grit and I just turned a couple of kg of plywood into dust..

I guess I will take the opposite tack. Make the hull look like it should, and then find a steering wheel that suits.

I will post pics once the dust clears...
Title: Re: New project - The coffin
Post by: sidewz on August 07, 2008, 22:17:59 PM
Heres a couple of pics to show the start of the new shape.

You can faintly see the red line in the first photo where I will graft the wraparound in.

I can see a lot of bogging and sanding coming soon   :-\ :-\

Title: Re: New project - The coffin
Post by: kym on August 08, 2008, 23:16:01 PM
Example , the following site    http://www.gokartnminibikeparts.com/steering_wheels_&_accessories.htm
Title: Re: New project - The coffin
Post by: Bay on August 09, 2008, 10:41:37 AM
Thank you, for the Intake photos, It looks great

I would make a wide screen wraping around down the side, just wide enough so you have somewhere to put your elbows when in cruise mode, and somewhere to put GPS ect

All the best
Title: Re: New project - The coffin
Post by: steelo on August 09, 2008, 11:21:25 AM
Boat lookin good.  *-)
I agree with the idea of a very low wide windscreen in keeping with the scale of your boat.

I suggest for the colour scheme a nice rosewood, maple or walnut stain with shiny brass or chrome handles.
The satin lined interior will be pure class.  O))))
Keep up the good work.
Title: Re: New project - The coffin
Post by: sicarius on August 09, 2008, 11:54:39 AM
3 handles down either side and a big brass cross on the foredeck. Here lies ......  O))))
sorry i had to. looking good, will be interesting to see how she goes ( as long as it's not 6 foot under)  O))))
Title: Re: New project - The coffin
Post by: sidewz on August 15, 2008, 23:05:52 PM
Got my red satin material ready for the interior  ;) ;)

Heres version 2 of the windscreen. You wouldn't believe the amount of work that goes into making all the templates for a windscreen ???

Unless you had scratch built a boat yourself, in which case you would know how much work goes in.
I still wonder if it should be a little lower, and its also a little boxy.

Also made the fore-deck.  Because I have lowered it, I have to change the steering swing arm from an over to an under, which means I also have to change which side the morse cable comes from.

Title: Re: New project - The coffin
Post by: Matthewf/Norbert/TuiDog on August 15, 2008, 23:20:35 PM
very nice... hope you are going to keep it stained or clear  b>  O0

i know about patterns, a daunting task... i have a strip built boat i am working on at home, all timber has been machined.. been 'seasoning' for 2 years now  O))))
Title: Re: New project - The coffin
Post by: sidewz on August 16, 2008, 00:06:30 AM
very nice... hope you are going to keep it stained or clear  b>  O0

i know about patterns, a daunting task... i have a strip built boat i am working on at home, all timber has been machined.. been 'seasoning' for 2 years now  O))))

hehe, only half seasoned then eh??

Nah, this one will get painted. It hasn't been built accurately enough for clear coating. There are far too many joints that have filler in them where the wood should be....

My next timber project will be probably be a display boat. Something like this.  http://www.glen-l.com/picboards/picboard4/pic334a.html
But with a 750, or even a 900 tripple in an 11ft version.

Title: Re: New project - The coffin
Post by: sicarius on August 18, 2008, 20:41:55 PM
hey man
that windshield looks great. fits in nicely with the shape of the hull and will give you somewhere to hide at WOT..  ;D
nice job, well done
Title: Re: New project - The coffin
Post by: sidewz on August 19, 2008, 19:20:42 PM
Oh dear. The Coffin is under serious threat of being moth balled.

I just clicked buy now on a Colorado unit  ;D ;D ;D

Shhh, dont tell my wife  ::)
Title: Re: New project - The coffin
Post by: sicarius on August 19, 2008, 20:31:51 PM
don't worry. it's ours and 4 billion other internet users little secret.
nice man, you won't regret it and I have just the motor for you as well.  ;D
Title: Re: New project - The coffin
Post by: sidewz on August 19, 2008, 21:25:08 PM
don't worry. it's ours and 4 billion other internet users little secret.
nice man, you won't regret it and I have just the motor for you as well.  ;D

Hahah, if she ends up on this website I will have bigger problems than having to explain a jet unit away.

My partner in crime and I are going halves on it. Put it away for a rainy day (which is pretty much any day at the moment  :-[ )
I need to finish this project, and he needs to get his jet53 tidied up ready for summer.

I reckon, 10ft Ali, 150 hp.    O), O),
Title: Re: New project - The coffin
Post by: Imagineering CMF on August 19, 2008, 22:22:28 PM
Would go well mate - Ive got a colordo 2 stage - 11 1/2" ali 190hp.

Your projects looking fantastic - youve got that screen just right, well done dude. b>
Title: Re: New project - The coffin
Post by: sidewz on August 19, 2008, 22:59:41 PM
Would go well mate - Ive got a colordo 2 stage - 11 1/2" ali 190hp.

Your projects looking fantastic - youve got that screen just right, well done dude. b>

Jesus, that sounds like fun!! Must go like stink!

Cheers, its coming along now. Trying to keep the enthusiasm up to keep working on the detail, and make sure its done properly.

I get an extra boost when I take a look at this one.
http://www.trademe.co.nz/Trade-Me-Motors/Boats-marine/Motorboats/auction-171307457.htm (http://www.trademe.co.nz/Trade-Me-Motors/Boats-marine/Motorboats/auction-171307457.htm)
If I rush it, it will turn out like this. :o



Title: Re: New project - The coffin
Post by: sidewz on August 20, 2008, 14:34:01 PM
Engine mounts, wood working style... ;D ;D ;D
Title: Re: New project - The coffin
Post by: sidewz on August 25, 2008, 09:12:23 AM
Well, a slow week working on th boat.

Tasks like scrubbing out the amine blush are time consuming, but give no sign of progress..

The engine mounts are in, and the engine is mocked up in placed.

Also the bulkhead and inspection panel are almost done, as well as the webbing that the seat will fit on.

I spent a lot of time pondering if the hull would be strong enough around the engine to take the weight when it bounces. Then I stopped and realised that i weigh easily twice the engine, so I should really worry about reinforcing for the seat instead!!!!!

Title: Re: New project - The coffin
Post by: sidewz on August 26, 2008, 12:11:03 PM
Hey Dave,

Getting ready to start the " Dyno Jet"... Received some top secret plans in the mail...Thanks for leading me in a direction!!! How's the project moving along?

Adam

Hey Aquaholic, havent heard a peep from you since you got those plans. Have you got anything to share with the group?  ;D ;D
Title: Re: New project - The coffin
Post by: aquaholic on August 27, 2008, 14:23:47 PM
Being put on the spot I suppose...Yes I do have a lot to share with the group.. And here are my words of advice...

When you get tired of bogging and filling you learn how to grind... When tired of grinding, you learn how to weld/fabricate... baby steps  O))))

I have gotten the tracing's transfered and am adding a few changes...  I am fabricating a wing on the back of the other boats we are building which has been a bunch of fun...I'll post some photos, getting ready to start the windscreens...

I think your windscreen looks great, You're getting really close!
Title: Re: New project - The coffin
Post by: sidewz on August 28, 2008, 10:44:58 AM
Sounds like fun,and also some good advice.

Build is coming along well. Got the bulk head and seat support glued in last night.
Also made the removable inspection panel in the bulkhead.

Ive also been working on a mold for making a waterbox. The ski's have a fibreglass waterbox / muffler to reduce the noise.

I have a spare aftermarket Ali one, but it doesnt reduce the noise much. So im going to *try* to make a custom fibreglass one.
I haven't done any polyester resin mold work before, so we will see if it works out or not. I picked up some Norski resin, and will give it a crack.
If not, a noisy little Ali one will have to do  ;D

I think the final thing I need to do is figure out a gas pedal, and then the decks can get installed, and the painting will begin.
I need to make a very low profile gas pedal, and figure out how to fix it to the bottom of the hull without screws.....

I haven't glued epoxy to Ali before, I think I need some etch primer for the Ali to make it hold.
It would be smart to make the position adjustable as well.
You can see where the pedal needs to go in the pic.


Title: Re: The coffin
Post by: sidewz on August 29, 2008, 09:07:21 AM
Heres the bulkhead and sliding inspection panel.


Also, after a good design session last night (sitting in the half built boat, drinking bourbon, and cranking some Floyd), i may have a solution for the gas pedal ::)

I might mount it to the underside of the fore-deck framing, and have it come down like a car gas pedal does.
In fact, here's a car gas pedal shown in position. This will be a lot easier and neater than having a floor mounted gas pedal.

Maybe just a wedge on the floor for my heel to lock into, and perhaps a dummy pedal for the left foot so that I can brace myself into the seat!!
Title: Re: The coffin
Post by: aquaholic on August 30, 2008, 09:16:01 AM
The pedal seems a great idea, amazing what a little bourbon and Floyd can do  *-)

The wood work looks very nice and tidy... How's the waterbox working out?
Title: Re: The coffin
Post by: sidewz on September 01, 2008, 08:53:34 AM
Free at last!!

My wife has just gone overseas for a month. Now its time for some real progress   *-) *-)

I haven't done much more with the waterbox mold yet. Ive got the bottom half started, but it needs more bogging and sanding to get the radius for the corners.

Only managed to get a little done this weekend tho. First decent bit of sun in 4 months, so had to pick up dog crap and mow lawns  :-\

Title: Re: The coffin
Post by: sidewz on September 12, 2008, 10:02:50 AM
Just spent another week in Gisborne, but managed to find a lady who was good with a sewing machine.

Results are pretty good.
Title: Re: The coffin
Post by: sicarius on November 14, 2008, 19:49:12 PM
 ;D mate, whats happening with the coffin..  ???  ???  ??? you have been very quiet   ;D
Title: Re: The coffin
Post by: sidewz on November 14, 2008, 19:59:20 PM
Hey hey hey, I'm back.

Fark me, where did time go??

I made a few adjustments to the design of Coffin, what do you guys think>??
Title: Re: The coffin
Post by: sidewz on November 14, 2008, 20:17:57 PM
So when my Wiffe came home, she asked kindly if I would make a bathtub boat for her comnpany to enter into the Englefield Bathtub Derby.

How could I resist?
So the last month was entirely taken up with a rush job of a bath_boat. (most entrants got their tubs in June this year).

It took 3 weeks from start till it hit the painters. (the painter primed, painted, cut & polished it in less than 48 hours)

Title: Re: The coffin
Post by: JR on November 14, 2008, 20:24:35 PM
So when my Wiffe came home, she asked kindly if I would make a bathtub boat for her comnpany to enter into the Englefield Bathtub Derby.

How could I resist?
So the last month was entirely taken up with a rush job of a bath_boat. (most entrants got their tubs in June this year).

It took 3 weeks from start till it hit the painters. (the painter primed, painted, cut & polished it in less than 48 hours)


Whoo hooo you should Take up boat building for a living... Like OCC and their BIKES... Well done...
Cheers RC
Title: Re: The coffin
Post by: sidewz on November 14, 2008, 20:55:40 PM
Hey hey hey, I'm back.

Fark me, where did time go??

I made a few adjustments to the design of Coffin, what do you guys think>??

As for the actual Coffin,  its back in the middle of the garage, and im busy sanding it.
I want to take it to the water and do a balance test before I finalise the gas tanks, seat position, battery etc.

So i just need to fiberglass the transom and the sides so they dont get wet :)

Title: Re: The coffin
Post by: sicarius on November 14, 2008, 21:35:34 PM
 b> sweet. love the bathtub mate it's classic.  O))))
good to hear that the coffin is back pride of place in the garage. 
Title: Re: The coffin
Post by: sidewz on November 16, 2008, 11:54:18 AM
it floats!!

Glassed the sides and transom yesterday, so just took it for a float test, check the balance with some weight in it.
Seems to sit quite nicely, with everything at the back.

Time to rip into it!!
Title: Re: The coffin
Post by: sidewz on November 19, 2008, 22:38:00 PM
Framings going in.  Off to the workshop this weekend to make up a magic gas pedal 00.t
Title: Re: The coffin
Post by: sidewz on November 24, 2008, 20:05:54 PM
Made a gas pedal today.

Looks pretty high tech (for a couple of bits of angle iron ;D )

Now i can finally glue the fore deck on...
Title: Re: The coffin
Post by: sidewz on January 26, 2009, 22:43:08 PM
Time passes, the recycling bin gets full, but eventually progress is made on the boat.   

Ive been working on a few bits. Fuel tank connectors, a reverse bucket, an engine box cover.

Fuel connectors are turned from bronze, and designed to fit a standard jerry can. 3 ports, feed, return, and a breather.

Title: Re: The coffin
Post by: sidewz on January 26, 2009, 22:45:19 PM
started work on the reverse bucket.
Picked up a cheap 3inch ali pipe, will do for a prototype I hope.

Just waiting on getting it welded up properly before I test fit it.
Title: Re: The coffin
Post by: sidewz on January 26, 2009, 22:51:03 PM
and i had a go at fibreglass casting with polyester. Not too successful, but I will have another go soon.

I didnt use 2-pot paint for the mould, so it bubbled whilst I tried to lay it up.
.
Anyway, the result is good enough for mocking, until i finish sanding and re-spraying the mould to have another try.


Title: Re: The coffin
Post by: sidewz on February 02, 2009, 21:28:47 PM
the sanding begins....
Title: Re: The coffin
Post by: sidewz on February 15, 2009, 22:18:22 PM
Dash is pretty much done, working on wiring now.
Title: Re: The coffin
Post by: aquaholic on February 20, 2009, 10:28:54 AM
Good to see some progress... Saw a boat at the Miami boatshow thought you might enjoy...
Title: Re: The coffin
Post by: sidewz on February 20, 2009, 12:04:35 PM
oooh, thats wet dream material   --! --!

Lovely mahogany!!
Title: Re: The coffin
Post by: aquaholic on February 20, 2009, 14:34:05 PM
Thought you might enjoy! Wood is an art, nice to see your project moving forward...
Title: Re: The coffin
Post by: paul153 on February 22, 2009, 20:58:03 PM
Nice to see the coffin back,i've really enjoyed watching your progress! can't wait to see it going!!
Title: Re: The coffin
Post by: sidewz on February 22, 2009, 21:36:14 PM
Thanks guys.

Ive stalled a bit right now. Im waiting on getting some parts welded up.

I have learnt to tig weld stainless at a functional level, but my Ali welding is more of hole blowing session. So im waiting on some other people now.

Ive turned to making some furniture to keep me busy for a few weeks. This will also win me some brownie points with the wife. ;D
Title: Re: The coffin
Post by: sidewz on August 18, 2011, 21:19:05 PM
Jeez, 2 kids , a house and a load of furniture making later, I finally dragged the hull out of the corner of the shed and got back into it.

I have glassed the entire outside, and sanded all the nooks'n'crannies ready for painting. I wish I had bothered to wipe up excess expoxy as I went, rather than waiting to sand it off now!

Now the engine is back in so I can sort the exhaust, and fit all the auxillary bits, then it must be time for a test ride!

Title: Re: The coffin
Post by: JR on August 18, 2011, 21:40:04 PM
That is way Cool i like it alot.... More pic,s please... Cheers JR
Title: Re: The coffin
Post by: sidewz on August 18, 2011, 22:00:03 PM
That is way Cool i like it alot.... More pic,s please... Cheers JR

Your wish is my command  ;D


Here is the steering rig.
Jetski's use a morse cable, which is great, except with a beam of 1200mm  ;D   You can't curl the morse cable that tight without it binding.

So i built a lay shaft & dummy arm to let the morse cable curve gently in the bow.
Steering column is made of stainless with ertalyte bushing.
Title: Re: The coffin
Post by: sidewz on August 19, 2011, 16:10:34 PM
Bit more work done today.
Installed the Electical switch on the firewall and mounts for the Electrical box.

Started on the fuel valve compartment. There will be a small recess on the firewall with the main/reserve taps in it.

Also, found some plastic lift handles for the rear, first one installed.
Title: Re: The coffin
Post by: Jeff B on August 19, 2011, 17:00:19 PM
Cool, I was wondering what happened to this project b>. You should get good performance from the 550. I was really surprised at how spritely my kids boat goes with a stock piston port 550, probably heavier than your setup too. I have the workshop manual if you need any help b>.
Title: Re: The coffin
Post by: sidewz on August 19, 2011, 22:40:23 PM
Been working on the electrical box too.

Standard electircal box is a nasty little ali housing that is too small, and just horrible.

New one is an IP65 enclosure from Jaycar, with room for aux relays, a new starter relay (its a winch relay ;D )  etc.

Title: Re: The coffin
Post by: steelo on August 19, 2011, 22:46:38 PM
Well done and continuing good luck with this project. I love the detailed and close in photos. Cant wait to see the boat on the water. Whats the protection for the bottom going to be. Is anything going to be applied? Nice work with the electrical box.
Title: Re: The coffin
Post by: sidewz on August 19, 2011, 22:47:38 PM
I also had to replace the ht leads on the coil. They are integrated into the coil, so i had to dremmel them out, cut the original HT lead, and graft in new material, then epoxy the new ones into place.

Hoping it works after all this  ???
Title: Re: The coffin
Post by: sidewz on August 19, 2011, 22:54:42 PM
Well done and continuing good luck with this project. I love the detailed and close in photos. Cant wait to see the boat on the water. Whats the protection for the bottom going to be. Is anything going to be applied? Nice work with the electrical box.

Cheers Steelo.
Protection wise, it's got 300gm fibreglass sheeting over all the surfaces, with heavy multiweave tape on the keel and chines.
I've got a brass rubbing strip for the stem, which should help with trailers/beaches etc.
Title: Re: The coffin
Post by: dynodoug on April 10, 2013, 08:38:10 AM
Cheers Steelo.
Protection wise, it's got 300gm fibreglass sheeting over all the surfaces, with heavy multiweave tape on the keel and chines.
I've got a brass rubbing strip for the stem, which should help with trailers/beaches etc.


Any new updates on "The Coffin"?