[Desert Rat]

Last year I taught one of the local McCauley engineers to fly. He and his son came by today to check out my project and brought me an upgrade for my Whirlwind.

 

[danny]

Last year I taught one of the local McCauley engineers to fly. He and his son came by today to check out my project and brought me an upgrade for my Whirlwind.

I assume you mean the placards...funny
danny

 

[Roadjunkie1]

Last year I taught one of the local McCauley engineers to fly. He and his son came by today to check out my project and brought me an upgrade for my Whirlwind.

I believe that upgrade makes the prop blades WAY more efficient...........!!

 

[David Paule]

Whoops - McCauley props, I think, are heavier.... A weight and balance change is needed.

Dave