RCU Forums - View Single Post - Composite-ARF Integral, kinda build thread
Old 03-23-2014 | 11:56 AM
  #1064  
myckey
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From: Banbury, UNITED KINGDOM
Default C of G

Originally Posted by VerneK
Joe,
Bob Kane has one but I'm not sure if he plans on selling it. I sent him an e-mail. BTW, having built 3 of them, I recommend reducing the downthrust to 1/2 degree, adding a half degree of right thrust, set the wing at 1/2 degree positive and leave the stab at 0. I had the CG at about 1/8" behind the LE of the wing tube. With those settings, it's a great flying plane. OTOH, Andrew and Jason had a lot of success flying them box stock and mixing out the anomolies.

Verne
Hi Verne,

I'm hoping you can help as I'm just putting together an Integral I acquired and the build instructions give the c of g as 205 mm behind the leading edge of the wing LE at the root, that puts it about 20mm behind the centre of the wing tube. I thought that looked a bit rearward so looked on here, the measurement you are giving (1/8th of an inch behind LE of wing tube) would equate to something like 173mm, quite a difference, I'm assuming you're right (and also that is where I would expect it be) but can Carf be that wrong?

Phil