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Engine for Dyno Jet?

Posted: Thu Feb 09, 2017 3:15 pm
by twier
Does anyone have an opinion on using the Rotax 900 ACE engine (60 hp, 4 cycle) out of a Sea Doo Spark in a Dyno Jet?

Thanks in advance.

Re: Engine for Dyno Jet?

Posted: Thu Feb 09, 2017 8:09 pm
by DSR
Hi Twier.

I didn't delve too far into the Spark powertrain when I set the specs for my TNT, but from what I gathered during my research, I think it would work great for a Dynojet build.
Light weight and being a shorter setup lengthwise (depending on how the drive is set up), the Spark powertrain should lend itself well in a stich-n-glue setup, which doesn't offer the ability to stretch the hull.
Being a very efficient and, from what I've read, a very reliable engine are definitely nice bonuses.

A very big thumbs up from me. I'd love to see how a package like this would perform! :D

Thanks
Dave

Re: Engine for Dyno Jet?

Posted: Fri Feb 10, 2017 7:17 am
by twier
Thanks for the reply Dave. I think the next step is to go look at one and measure the drive train to make sure it will fit.

Terry

Re: Engine for Dyno Jet?

Posted: Sun Nov 25, 2018 5:53 am
by cepjr
Hi twier
Have you done anything else with your dyno jet plan?
I'm in the middle of my dyno jet build !
Just curious
Thanks charlie

Re: Engine for Dyno Jet?

Posted: Wed Dec 05, 2018 9:39 pm
by twier
No, I changed my mind and am building a Zip.

Re: Engine for Dyno Jet?

Posted: Sat Mar 16, 2019 8:31 pm
by cepjr
Still no jet builds ! I'm on my own :)

Re: Engine for Dyno Jet?

Posted: Sun Mar 17, 2019 6:51 pm
by cepjr
Work in on it

Re: Engine for Dyno Jet?

Posted: Mon Mar 18, 2019 9:19 pm
by DSR
Hi Charlie,

Your Dynojet looks great! Nicely done!!
Did you have a powertrain already picked out for it yet?

Thanks! :D
Dave

Re: Engine for Dyno Jet?

Posted: Tue Mar 19, 2019 5:29 pm
by cepjr
Polaris 750 triple should go good !
Screenshot_2019-03-19-20-16-00.png

Re: Engine for Dyno Jet?

Posted: Sun Mar 31, 2019 8:08 am
by cepjr
Hopefully the last trial fit!
IMG_20190331_103216.jpg