Hi B.E - I couldnt find anything either, at 138" wingspan it quite unique. ANyway, we were just hoping to find out what the shearing strength of Au. tube is at 1.25" dia and .035" wall with a 50-60lb aircraft...rb1957 has kindly offered to do some calcs for us. Thanks.Chris.
Thanks guys,
The fibreglass is .75oz cloth - more grain filling and hard wearing finish than anything - most large models use this technique for finishing - we vacuum bag it on so its a pretty good finish. Yes, the balsa skins are certainly load carrying.
60lbs will be pretty close to the final...
Hi rb1957
Thanks for your post. Excellent. Nice to meet someone who knows what a Wirraway looks like :o)
I have a wealth of information I can share.
Yes, the tubes are planned to be the primary bending elements of the structure. The entire centre section of the wing will be constructed from a/.c...
Hi
Designing a 25% Commonwealth CA-1 Wirraway flying scale replica.
Need some assistance calculating beam strength of 6061-T6 Aluminium tube which will be used as wing joiners for outer panels to centre section.(The outer panels have to be removable for transport)
Each side (wing panel) will...