Hey guys...Looking for a maximum and minimum angle across all model types for setting down and right thrust. I've heard recommendations from 2-4 degrees. Wondering if anyone has used more or less.

Appreciate the help.

Rick

The amount of right thrust used should be propotional to
A) the amount of torque which is anticapated will be used for accelerations, and
B) the pilots ability to counter that torque with right rudder.

Full scale single engined warbirds didn't generally have right thrust (altho some have a fin offset). R/C modellers use it to make it easier to fly, especially when taking off and/ or accelerating from a slow speed with high power.

I generally remove about 1 degree of right thrust from my Top Flite and Hangar 9 warbirdss. I'm thinking that it brings it down to about 2 deg.
Makes it slightly more scale looking, and I am able to fly it more like a real warbird.

As for downtrust: WAY too many variables, including (but no limited to) wing incidence, tail incidence, wing location (hi wing, low wing, or mid wing) and engine location (again: high mounted or mid level) to give generic answers.

Transatlanticflight,

What are you designing or building? There is a very knowledgeable group out there that could probably help but with all the variable you need to narrow it down. I have some examples I build my heavy iron WWII warbirds with typically 1 deg. right and 1 deg. down thrust. My WWI dawn patrol stuff has 1 deg. right and 2 deg. down thrust. However, my Pietenpol Aircamper has 1 deg. right and 7 deg. down thrust. So it shows you how dramatic you can go. The Piet with that 7 deg. down thrust is scale by the way and the airplane needs it. Every Piper Cub I have flown, which is a similar configuration to the Piet, could have used a lot more down thrust. I just never thought that any of the designers knew what they were doing to make a more power neutral airplane that didn't climb like crazy when you poured the coals to it. Leo

Ive seen anything fron 2 degrees up thrust to 8 degrees down thrust measured off the datum. 0 to 4 degrees right or left depending on engine rotation.

Here is a partial list from the Top Flite site a couple of years ago. Check their site for info on their other planes.

Brian