Do Dolphin fins help to get a dink onto the plane YES>Is there any advantage to adding Dolfin plates to my Tohatsu 3.5 on my 8.6 air floor dinghy? Will they fit on the small cavitation plates?
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I disagree, I've had 3 outboards onto which I mounted the Dolphin or similar plates and it has made a world of a difference each time. No cavitation anymore and the dinghies really do go on a plane much faster. I had 9.8HP Tohatsu engines but I think that smaller engines will profit and gain performance as well.even on bigger engines, I think all those did was plane money out of your wallet
One way to find out, try one. All it costs is a little bit of money & a few holes in your cavitation plate.I put one on my 16 foot fishing boat with a 35 HP outboard. In rough ocean waters it helped keep the bow down at slow to medium speeds, about all that we could run without beating the boat to death. Not sure if I lost any top speed, but I don't think so. Also had an 8 foot inflatable raft with a 2HP Honda on it. I doubt putting a plate on your motor would help in any way.
I used to have an Achilles air floor dinghy with an 8hp engine that would occasionally plane with my 240 lbs. in it. I say occasionally because the bottom had to be clean and the stars had to be properly aligned.In order for a dinghy to plane is must have a planing hull form. A flat bottom inflatable will not plane no matter how much power or what you do to it.
You mean just like the flat bottom displacement air boats right? Get you facts right before you hit the keyboard. My little KABOAT flat bottom with a 6 hp two stroke on the back planes just fine, even with 3 people in it.In order for a dinghy to plane is must have a planing hull form. A flat bottom inflatable will not plane no matter how much power or what you do to it.
I don't expect everyone to agree with me but your rude and juvenille responseYou mean just like the flat bottom displacement air boats right? Get you facts right before you hit the keyboard.