How/where to find dimensional drawing of old radial engines?

Hi to everybody!
I'd like to draw and study some radial engines....i'm searching for some dimensional drawings but without success....do you have some advices where i can found them?
Sorry for my poor english...i hope you can understand me anyway :)

Answer
 
Comments 0

2 Answers

Thanks a lot!
do you also new where to find some drawing of radial engine like R2800 or similar?
Some drawing of some radial engines used in aviation
Thanks again!

 
Comments 0