Originally Posted by Neil R
How about trying one of those hydrofoil thingies - doelfin seems to be the market leader - one size fits all and I think about £50 all in.
I've had a similar experience with a DF90 - I tried a 2" lower pitch prop thinking it would allow the engine to rev a bit more - it did - but the overall result was pretty much unchanged performace, but with a higher revving engine! So I agree it's a black art. At least I now have a spare ...
I've not ordered my fin yet, but there seems to be enough positive vibes on here when I did a search to make me want one. And if it doesn't work, at least it should be more saleable than a specific size of propeller?
I bet you're going to tell us now it already has one ...
No we don't have a hydrofoil on our engine, this was one of my suggestions & at less than £30 the cheapest option, but our club has quite a few old fossils who think they are always right, and their opinion is its only a gimmicky thing that couldn’t make any difference.
Mind you its only taken our equipment officer & myself nearly 4 years to get them to get a RIB (they kept saying “why do we need one of those we have always used inflatables since 1967 without any problem, why change now?”
We had to point out that none of them were still running around in Hillman Minx’s or Ford Prefects, they all had cars that were less than 3 years old, so why did they change if the old cars were ok in 1967.