Re: making the nose sit lower??
Already posted this on another thread:
I just put a stingray hydrofoil on my Starcraft 16ft Starfire with a 60hp 4stroke Yamaha. Here's what I think:
Pros: Gets on plane faster, holds plane at lower speed (15mph vs 12), much smoother ride thru chop, much less roll in turns, quieter (less wave slap), lower bow at any speed, less steering grab when hitting waves at an angle, less wake at transitional speeds
Cons: 0.5 - 1mph loss at WOT, one more thing to hit something with (not that that has happened)
Oh yeah that top speed loss? only applies to flat calm conditions. Otherwise faster with hydrofoil. It's like a brand new boat. It seems to me that people with light fairly fast boats like mine have had the best results, I'll gladly swap 33mph top end with 34mph top end for all the other things. BTW tested the boat on consecutive days in exact same conditions and boat loads (only diff was the foil) and was blown away.
Quick question, how would you rate stability at speed?
We have found in the past weeks since installing our G2 hydrofoil, the steering is very touchy, especially at speed.
Eg: in our 11 footer with 15Hp Mariner/yamaha, hydrofoil's installed, Me (105Kg) sitting at the tiller, 80 Kg wife up front.
At about 3/4 throttle (28Kmh / 17Mph /15 Knots) I used only my arm and reached over for my handheld GPS which was about to roll off the seat, and surely my arm doesnt weigh THAT much, but the boat took a hard left and my wife was almost thrown out of the tub.
I was VERY disturbed, and she was too, which resulted in loads of yelling (arguing).
It was DEFINATELY NOT a control issue as the motor was still steering in the same position (straight) when I returned swiftly to the throttle.
Several tests after this event at half to 3/4 throttle have shown that even moving my head from one side to the other will steer the tub reasonably sharply.
We have now removed the hydrofoil's and are awaiting the distribution company's rep to visit to look at how I set the hydrofoil's up.
I went through the installation instructions with the manager of the store where I made my purchase, and he said that he cant see anything wrong with my installation, it is all perfectly as per the instructions and nobody (distributor and store) can explain why I would have this increase in the control's reaction's.
I did notice that it got to the plane super fast and holds plane at much lower speed, and was around 5Kmh FASTER at full throttle. Also like you said, it was noticably much smoother ride thru chop, but it seemed to INCREASE the inward roll in the turns, (Ie: left turn, left side DIPS toward the water), I also think that it was quieter and the bow was also sitting lower at all speeds, and there was definately alot less wake at all speeds.