lightening holes should be called weakening holes.
it's not the ply that's heavy on this, it's the 3/4"x12" oak bearers that weigh. it'll still be lighter than your shit! :lol:
i'd rather use thinner material than cut holes in something. 1/16 solid balsa ribs a lot stronger than 1/8 with a buncha holes in it,and same weight.
any time you cut through the grain, you've lost your strength. is not as obvious in ply, but it's still weaker. better to use 1/16 ply than 1/8 with holes.
and liteply is pretty useless except to provide a hardpoint. brittle crapola.
receiver will. was going to put batt in wing, but i think i might be able to fuse mount it. we'll see. can cut it in about anywhere, might mount in foam above receiver hole.
yes, got pack.
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