collector
Well-Known Member
Wondering if there is a formula or spreadsheet that tells me what size 4130 steel tube can be substituted for a square spruce member in a wood fuselage ??
Example: A _________________ 4130 tube has the same strength as a 7/8" square spruce longeron.
Thanks for any input!
Example: A _________________ 4130 tube has the same strength as a 7/8" square spruce longeron.
Thanks for any input!