Wulf

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I`m flying the H9 HellcatARF-I have , I think, problems with torque roll to the left when using a 14x7, 3 blade prop-I have no problem when using a 15x6 2 blade prop,anyone else have any problems like this?I think the added blade weight is causing this,does it make sense or not?Do I have to offset the engine when using the 3 blade propeler?-I`m using a Gruapner 14x7 3 blade on a Saito 1.25 engine.I mean like the plane went left no control and flights after that with 2 blade not even a hint of a problem.
Anyone ,any anwsers?

AA5BY

I was thinking the Hanger 9 Hellcat is a .60 size plane often fitted with a .90 4c and more recently a Zenoah G-20 ei so you likely have more power than the plane can easily manage. Reports I heard were the G-20 really hauls the plane and I have both the G-20 and the Saito 1.25 and the 1.25 puts out 400-500 or so more revs than the G-20. That it takes lots of right rudder on takeoff with a full throttle doesn't surprise me and the scale plane may not have enough.

If you have a Saito 90 on the shelf, going to it would cure the torque issues and fuel issues if they exist... I know the 1.25 eats fuel and likes a 24 oz tank.

btw, I've been drooling over the Hanger 9 Hellcat