"Archimedes Plutonium"

I feel that the strength of oak exceeds that of hickory or ash just
from the ability of oak limbs to parallel gravity.


--------
Talking aircraft ....... weight, weight, weight!
Talking wood ..... stability!

Sitka spruce 29.1 lb/cu ft
Red/white oak 47.3

SO: Wood Structural Design Data 1978 ed
[There are latter eds.]
National Forest Products Association


No doubt there is a wood-plane group/org.

--
donald j haarmann - independently dubious

Oh - "Spurce" is the original Indian spelling............ Sure!
Tee-hee.