Outboard Hydrofoil BEFORE & AFTER Test | In-Depth Review

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Hydrofoils have a lot of controversy around them, with opinions all over the spectrum. Today I test the Stingray Classic JR on my 15hp Johnson outboard on a 8.5ft Aquapro SMR 860. I measure top speed and bow rise angle, and give my opinion on how the boat handles before and after the addition of the stabilizing fin.

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[jeremiahwood]

Great video. Straight to the point and shows real data.

[pdp]

This is a great video! I would have maybe suggested adding the time to get on plane though as that is in my opinion more important than top speed most of the time. Also, it would have been interesting to see what the third position on the motor would have done since you increase the bow rise when running without the hydrofoil and I would assume as long as the bow rise was okay with the fin it would have gone about the same as the finless motor.

[nicolasterzani]

Same with mine also it tends to be heavy and unstable on the steering, need to make the friction strong to hold straight, but boat bounces much less at high speed

[williamfretwell]

The fin is providing lift at the back, hence faster to plane and almost half the plane angle. It would seem logical to design it to mount under the existing fin for strength and less flex. With a lower plane angle I would like to know how it handles into waves.

[remcohogervorst]

what an awesome video, i learned a lot from it keep it up! hope to see your channel grow

[Eriuqsrednef]

I know this is a difficult answer to give.
But looking at economy. Having the Hydrofoil on does it actually use less fuel or more.

[aristidesroman]

Dam bro.. the video I was looking for..
Come guys this video deserves more likes!!

[carldea]

How did you record the digital speed display?

[nickmagher]

Hey sense your a local of wa do you know where I can find a john boat trailer?

[myparadiseonbantayanisland]

Does the back of the boat rise with the fin?

[harrysourris]

Beaut little boats, the Aquapro's.
What size is the test boat? 10'?

[sailingyemaya]

Good video. Have you tried a different prop for higher speeds?

[AdventuresUnlimited-xcgp]

Another important element of this type of hydrofoil, is in steep turns at speed. They can tend to lift the stern in such a way as can be unstable. Sometimes wanting to “stern porpoise”. All in all a great product, but be aware of its potentially dangerous characteristics. Have fun!

[djemyvandermeijden]

i got a question tho is this a 2 cilinder 15 hp 4 stroke or 2 stroke ? just curious cause its should go way way faster with such small boat and only 1 person i do with a 8hp 23 24 easy

[lizzbien]

This is the best, most thorough test of Fin vs No fin that I found on YouTube. So as a result do you prefer to run without the fin installed or with it - so sacrificing a little too speed but a better plane?

[joyridefiends]

Did you ever try the 3rd trim setting with the hydrofoil to see if it helped you get on plane?

[ManwithoutafaceFL]

Would you rather have better control or more speed?

[alanrobertson]

How did you measure ur bow angle?
Does it bolt on?
Great video,

[dougmartin]

did the hydrofoil add stability? I have a 20HP suzuki on a decent size 14' and it feels loose at top end.

[Waterlalahel]

Good video!everything is as should be with hydrofoil, but plastic ones is crap.hydrofoil has to be made out of metal sheet, less drag...