Rafts w/ motors. 90hp New record?? - Mountain Buzz

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Old 07-03-2016   #1
Great Falls, Montana
Paddling Since: .3
Join Date: Jul 2013
Posts: 1,047
Rafts w/ motors. 90hp New record??

This isn't a joke. 90hp Merc on a 18' Leopard. I'm trying to contact the guy to find out if he has any video of this thing running.

2002 18ft Cataraft with 90 hp Mercury motor
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Old 07-03-2016   #2
Eugene, Oregon
Paddling Since: 1977
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Originally Posted by ob1coby View Post
90hp Merc
You need a larger motor when you are using a jut pump. The efficiency of a pump is a lot less than a prop. Still I bet the thing scoots.
I'm not happy about being over the hill, but I am grateful there wasn't a cliff at the summit! - Frank and Ernest
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Old 07-03-2016   #3
elkhaven's Avatar
Belgrade, Montana
Paddling Since: 1991
Join Date: Sep 2013
Posts: 2,203
I don't think that thing will actually work very well. Unless there's a floor that directs water to the lip of the intake, the jet will act as a giant wedge pulling the boat down. They are very finicky about motor height. I have an 80 horse sitting on a 16' aluminum sled and if the jet intake is even an inch too low it won't get on plane.

Oh, just followed the link - looks like he's got a sort of RIB structure under there - it might just work! I'd be really worried about beaver sharpened pungie sticks though.

Garyherbaleaf would probably pop a vein over that motor mount!

Interesting idea.
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Old 07-05-2016   #4
2kanzam's Avatar
Charleston, West Virginny
Paddling Since: 1996
Join Date: Aug 2012
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NPS rangers on the New river run a 90 HP prop motor on a set of 28" NRS tubes and a monster frame/transom.

Just 2 weeks ago I was checking it out and talking about it with them.
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