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Info on wing load testing or only Spar

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opcod

Well-Known Member
Joined
Aug 28, 2010
Messages
112
Location
Canada
Hi

I try to find out more and read many post, but it's not really clear about one item, in regards of the testing.

If i build a composite spar using carbon rod and web flange with carbon fiber too :

- for a static testing with sandbag, what will be the difference if testing the spar only VS testing the spar embedded into the wing with skin on. (I mean, just like a composite sailplane wing)

If I test the spar up to 8g, (according to the V-N graph, gust load of the airplane) it might be little higher load with the skin on and little less deflection might be expected. But at the end, it might gonna be the same as the spar still carry the most of the load.

But, I know the control rod cannot be tested to see if any friction or if the right deflection happen... but again..?

thanks again
 
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