The test exercise was originally intended to verify the design for the Wing
Attach Fittings (WAF). In the picture for testing the KR-2 spar, the jack
was placed at the end of the inner spar section. that placed a point load
there. Loading of a KR-2 spar in flight has a distributed force. The
Believe it or not, it came from Wicks, as Mil Spec birch, poplar, birch 3/32
ply, even has "Aircraft Plywood Manufacturing" Inc. stamped on it.Sent from my
U.S.Cellular© Smartphone
Original message From: shafferj45...@twc.com Date: 10/28/21
09:36 (GMT-05:00) To: 'KRnet' Subj
Having built 2 KR's, I think you are correct, Larry. His plywood looks
more like an arts and crafts type to me. Just saying.
-
https://www.kitplanes.com/spars-the-heart-of-the-wing/
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in the article
https://s28490.pcdn.co/wp-content/uploads/2019
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