My question is purely academic, but then, suppose I wake up one day with the urge to build a Westland Whirlwind, how am I going to tackle that prop problem without knowing how it was done on real-life aircraft ?
Here is some info for you, also there was more on E-zone if my memory serves me well ...
http://www.geocities.com/CapeCanaver.../momfeb00.html
http://members.aol.com/kmyersefo/ampsep03/ampsep03.htm
Thanks for the interest.