Sled motor in river boat?
- Thread starter polarblu
- Start date
A
adrenaline junkey
Well-known member
Never seen that but there are a few guys around here that have bought totaled jet ski motor and pumps put in small aluminum boats for duck hunting. those things are fast 
something like this http://videos.streetfire.net/video/Home-made-Jet-Boat_638472.htm
something like this http://videos.streetfire.net/video/Home-made-Jet-Boat_638472.htm
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Motley Doo
Well-known member
Talk to FTX, they have a WC triple in there tunnel hull race boat. Can't remember the class, kinda looks like a mini F-1 boat.
2500cc = TORQUE
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polarblu
Active member
I dont understand how port timing would have anything to do with making it work. As far as RPM the RX1 motor spun 13,000? didnt it and was reduced? I was thinking more of four strokers but even a big 1200-1400 triple two stroker should work? The optimax 200 used as a sportjet is 2500cc V6 sounds like a 6 bees in a beer can with a rock being shook!!
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polarblu
Active member
Awsome to know that Harbour carft is into exploring the idea. The boating i have done this year has been with my buddy in a harbour extreme but it seems it could do even more with a few more ponies
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polarblu
Active member
I got a post from Firefish website and Harbour craft is trying out a supercharger @ 210 horse and have exclusive rights from Yamaha to do it!! Not many people talking about it. How many wrecked RX1's out there? guys turbo crash scared and never fix it. Nytro would be better cause it revs lower but the Jmax is made for 10,000 RPM why not higher?
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LRD
Well-known member
A year or two ago when Turbo Al must of been exceptionally bored in the middle of summer he put together I'm thinking a 12 foot aluminum boat with a 800 doo plus complete drive train (rear suspension and track) hanging out the back doing the propulsion. Somebody posted video and it was ridden stand up like a jet ski and was very fast!!!
Good Luck
Good Luck
Didnt see the 4 stroke thing!!! Thought you were talking sled motors in general!!
Your best bet is torque!!! Getting the boat up on plane is the hardest part, supercharger would be the way to go if you could get it running right IMO!!!
Fuel mileage would suffer though!
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NoSecondChances
Well-known member
The track boat idea would be perfect for shallow water (or even no water the way al's boat worked)!!!
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adrenaline junkey
Well-known member
Is there any links or pic's to this track boat? sounds like of interesting
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LRD
Well-known member
Here is another way to utilize a snow engine on water. Am thinking it might get a little exciting at times.
Go-Devil approach !!!!
http://www.godevil.com/GO-DEVIL_Engines.html
Good Luck
Go-Devil approach !!!!
http://www.godevil.com/GO-DEVIL_Engines.html
Good Luck
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adrenaline junkey
Well-known member
Ya know thinking along that line a mud buddy hyper drive would be even better design
http://www.mudbuddy.com/HyperSport.htm
http://www.youtube.com/watch?v=MDYfTbE68Dw
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turboal
Well-known member
we have the drive system figured out , what track works well and what is needed in hull design to work with the sled tracks . with the 14 ft hull we originally went with we found its limit at 50 mph . would leave the water over this .
new hull design would fix this , we have moved on so we havent played with the building of a new hull.
we got it so it would deep water start as fast as a good performance boat could .
it was more like riding your sled in deep powder at the slower speeds, the higher speeds with that hull was just a matter of you thinking let or right and it would turn.
if you want any info just ph me.
new hull design would fix this , we have moved on so we havent played with the building of a new hull.
we got it so it would deep water start as fast as a good performance boat could .
it was more like riding your sled in deep powder at the slower speeds, the higher speeds with that hull was just a matter of you thinking let or right and it would turn.
if you want any info just ph me.
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