Originally Posted by
slamn sammy
l think it will be. The Stinson has a flat bottom Ws and rihgt now it is around 12 Lbs, l cant belive it!
My calculations for your 12# Stinson comes out to about 31 oz per square foot!
The 91 might (barely) get it into the air with a long runway, but there won't be any reserve power if you get into trouble. I wouldn't want a 91 on anything much over 8# unless it was light wing loading.