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Jet Boat with a Jettec Drive

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Old 11-12-2012, 09:22 PM
  #1
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Default Jet Boat with a Jettec Drive

Hi All,
I started on my secone jet boat with the [link=http://www.jettec.co.nz/]Jettec[/link] jet drive. First you nead to find the center of the reansom, then using the seal plate mark and cut out the transom. This needs to be as neat as possiable. Then check jet alignment and mark the hull. I use plastic tape and a release agent on the jet drive, then mix up body filler(Bondo) to make a bed for the jet unit to sit in, this helps hold and locates the jet drive.

Cheers
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Old 11-12-2012, 09:28 PM
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Default RE: Jet Boat with a Jettec Drive

Mark up the bottom of the hull and cut out for the jet intake. I drill the 6 mount holes while the jet unit is held in place after the body filler has gone off. Refit jet unit and mark and clean up intake hole, sand back excess filler and recheck drive fitment.

Cheers
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Old 11-12-2012, 09:33 PM
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Default RE: Jet Boat with a Jettec Drive

Make up and fit transom seal plate and seal, made from an inner tube from car/truck. Moulding line on jet drive will have to be sanded off for a good seal. Then I refitted the drive with a 1mm bead of Sikaflex-227 to seal the drive to hull and bolted the drive in(excess sealer will be removed after it setups up). Then fitted the end of the jet drive.

Cheers
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Old 11-12-2012, 09:43 PM
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Default RE: Jet Boat with a Jettec Drive

Fitted the drive dogs to the drive and engine and using an alignment tool(machined from scrap alloy bar stock 2mm longer than the drive bone) positioned and alinged the engine, then drilled mount holes and mounted the engine with the bone fitted. Fitted the radio box, fitted the steering and trim adj linkages, fitted the steering rod joiner and supports.

Cheers
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Old 11-12-2012, 09:47 PM
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Default RE: Jet Boat with a Jettec Drive

Radio box finished. Fitted carry, launch, recover, roll cage. Second one almost ready. Fitted exhaust header and pipe, fitted rear mount. Fitted fuel tank(waiting on filler port) Ready to GO.
I still have to make up the start, carry cradle.

Cheers
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Old 11-13-2012, 05:44 PM
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Default RE: Jet Boat with a Jettec Drive



very nice work...can't wait for the video.
mmmmm maybe I'll get one for my fleet.....I wonder if Santa is listening.

jim

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Old 11-14-2012, 07:19 PM
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Default RE: Jet Boat with a Jettec Drive


Quote:
ORIGINAL: jvdd



very nice work...can't wait for the video.
mmmmm maybe I'll get one for my fleet.....I wonder if Santa is listening.

jim

Vid will have to wait a while, Have my daughters year 12 grad this weekend and my sisters wedding next weekend, also looking for another site as all the rain here last month destroyed the area I used to use these boats at.

Cheers
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Old 11-15-2012, 12:22 PM
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Default RE: Jet Boat with a Jettec Drive

Hey Andrew, think we have found another small area for running the jetsprints, it has a heap of little alcoves that are shallow and there are a few places where you can jump over the bank into the next part. Should be ok when it has a little more water in it, and it is FRESH Water.
Your builds are looking great mate.
Mick
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Old 11-15-2012, 12:52 PM
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Default RE: Jet Boat with a Jettec Drive

Mick, That sounds great, all the rain last month stuffed the area I used. Its now a sand bar and only about 4"-6" deep at high tide, not deep enough, may change after a while. I will just go back to the ski club, but this time of year it starts to get bissy with skiers.

Cheers
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Old 11-16-2012, 05:19 PM
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Default RE: Jet Boat with a Jettec Drive

Nice builds Andrew, looks really good, and neat and tidy too.

Look forward to some vid when you get the time to run them.

Keep up the good work, and maybe I'll get my hull down off the shelf soon.

Cheers
Chris
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Old 11-28-2012, 04:07 PM
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Default RE: Jet Boat with a Jettec Drive

Hi All,
Got in a short run this morning, faulty plug stopped the fun. Have to get the trim and tune sorted.
[youtube]http://www.youtube.com/watch?v=5q0eQpqN2r0&feature=g-crec[/youtube]

Cheers
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Old 11-30-2012, 12:47 PM
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Default RE: Jet Boat with a Jettec Drive

Looking good Andrew, the trim is why i like having the 3rd channel radio's, so you can adjust whilst going, and also using it to trim the boat back down when doing a turn.
But none the less you have done a great job with it.
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Old 12-14-2012, 11:06 PM
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Default RE: Jet Boat with a Jettec Drive

Hi All,
Hope to get some better video soon, got an early chrisy gift. Made up a mount for it.

Cheers
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Old 12-14-2012, 11:29 PM
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Default RE: Jet Boat with a Jettec Drive

Gotta love the Go Pro camera's, they are so popular. Nice mount you have made, look fowrad to seeing some vid of it.

Cheers
Chris
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Old 12-15-2012, 12:29 AM
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Default RE: Jet Boat with a Jettec Drive


Quote:
ORIGINAL: F1Rodman

Gotta love the Go Pro camera's, they are so popular. Nice mount you have made, look fowrad to seeing some vid of it.

Cheers
Chris
Thanks, Just hope that the weather improves, been too windy or wet, been raining on and off for the last couple of days.

Cheers
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Old 12-15-2012, 03:53 AM
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Default RE: Jet Boat with a Jettec Drive

slow
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Old 12-17-2012, 09:39 PM
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Default RE: Jet Boat with a Jettec Drive

Got out for a quick run, still having ign problems.[youtube]http://www.youtube.com/watch?v=NRYzkqGjheg[/youtube]

Cheers
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Old 01-24-2013, 05:45 PM
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Default RE: Jet Boat with a Jettec Drive

Hi Andrew,
I'm interested in the jet drive for my rc Jetski Project. Can't get on the Jettec site. Any advise where I can get one of those jet drive ? What is the price on this jetdrive ?
Appreciate your help.


Latiff
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Old 01-24-2013, 09:08 PM
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Default RE: Jet Boat with a Jettec Drive

Quote:
ORIGINAL: Body Guard

Hi Andrew,
I'm interested in the jet drive for my rc Jetski Project. Can't get on the Jettec site. Any advise where I can get one of those jet drive ? What is the price on this jetdrive ?
Appreciate your help.


Latiff
Latiff
You can find the jetdrives at [link=http://Jettec]http://www.jettec.co.nz/#[/link] or you can contact Adam at adam@jettec.co.nz cost NZD$849 plus NZD$65international postage, hopes this helps

Cheers
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Old 01-26-2013, 05:57 AM
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Default RE: Jet Boat with a Jettec Drive

Thanks for the info mate. Like to have a closer look at the unit before starting on the project.

Cheers .
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Old 03-19-2013, 04:21 PM
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Default RE: Jet Boat with a Jettec Drive

heah ghost

Do you mind telling me where you purchased these hulls from ?
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Old 03-20-2013, 04:41 PM
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Default RE: Jet Boat with a Jettec Drive


Quote:
ORIGINAL: swashdrive

heah ghost

Do you mind telling me where you purchased these hulls from ?
He used to live at Nowra but he has moved and I have not been able to contact him lately, I will keep trying.

Cheers
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Old 03-22-2013, 05:03 PM
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Default RE: Jet Boat with a Jettec Drive

What kind of COG are you looking for when you build a jet boat ?? WHere do those "dogbone drive shafts" come from and can you get longer ones??

Thanks
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Old 03-23-2013, 04:51 PM
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Default RE: Jet Boat with a Jettec Drive

Hi Randy,

We tend to set the jetboats up around 27% (well mine anyway)
Looks like the dog bones that Ghost is using are the swashdrive ones. [link=http://www.jettec.co.nz/#/rc-14-scale-e-store/4563486090]jettec[/link] also make dog bone drives now.
For my hulls i am now using double ended square flex shafts and have held up very well now

cheers
steve
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Old 03-23-2013, 11:47 PM
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Default RE: Jet Boat with a Jettec Drive

Thanks Steve these puppies are new toy to me - was hoping I could use square / square as thats what I run on couple others

I'm looking at something little longer than most so was hoping I could move my engine forward some with out alot of special drive parts

What do you think of the MHZ new 52 Jet

http://www.mhz-powerboats.com/Antrie...Power-924.html

Thanks again
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