45km/h...5hp, tinkering

[Zum]

 

[Crazyboat]

Impressive speed for a 5hp and a full grown man, 6,600 RPM is certainly over reving the design of that engine, but hey, it's his. I spoke too soon, 7,100 RPM and over 28 MPH! I can see the old crows on the HP restricted lake singing now!!!

 

[Crazyboat]

I wonder what it would do if you mounted a hydrofoil under the boat to lift her out of the water? You may have to lose the jack plate to keep the prop in the water but that would be some mod.

 

[sonny.barile]

I wonder what it would do if you mounted a hydrofoil under the boat to lift her out of the water? You may have to lose the jack plate to keep the prop in the water but that would be some mod.

I think it would create drag……

 

[Zum]

I watched his boat build...its the bottom of a RIB, he added the sides and gunnels...think its just under 9' and 90lbs...theres alittle v to the hull.
He has some interesting videos(to me), found him by looking to cup an aluminum prop( he has a video on that)

 

[Crazyboat]

I think it would create drag……

A real hydrofoil (Not one that attaches to the anti-cavitation plate) lifts the boat out of the water. I can't see it causing greater drag. I'll drop a video for you later.

 

[Crazyboat]

I watched his boat build...its the bottom of a RIB, he added the sides and gunnels...think its just under 9' and 90lbs...theres alittle v to the hull.
He has some interesting videos(to me), found him by looking to cup an aluminum prop( he has a video on that)

When I get some time I'll look him up and check out his builds.

 

[Crazyboat]

I think it would create drag……

This is a fine example of one on a small boat, they have them for pontoons too and they work quite well. (other boats as well).

 

[Crazyboat]

Per the story you get an extra 5-6 MPH top end and great MPG midrange, if I had a toon I would definitely look into this.

 

[sonny.barile]

Ah……..I thought you meant a motor wing. I have actually seen these on line………interesting bit of engineering.