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Glasair 2S W&B

 
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jonlaury



Joined: 06 Nov 2006
Posts: 336

PostPosted: Wed Dec 19, 2012 10:56 am    Post subject: Glasair 2S W&B Reply with quote

Hi Chuck,

That's really funny that you contacted me about this because when I was guesstimating where my CG would fall using the 6cyl 220 Franklin engine, someone gave me your W&B numbers for your fixed Tri-gear. 1275 #'s EW if I recall.

To answer your question, my 2STD CG ended up being right on the dot. See the attached.

I thought that the airplane would be nose heavy from the 6 cyl engine so I moved it as aft as I could and used a 29# Whirlwind 151 CS prop. Battery on the FW. I have the Super II horizontal and I moved my wing aft. SL 30, transponder, audio panel, Trio Pro, AFS 4500 panel. Full conformal foam (heavy) upholstery, floorboards in baggage (makes it flat).

I built it as an FT with all the hardpoints and FW beefing for the nose gear trunnion. And then I got over all the fear-mongering re the TD (always my first choice) and found some Grove aluminum TD gear in Barnstormers for a song and converted.

I weighed control surfaces before and after painting with Southern Polyurethane single stage white, topped with clear and the difference was just a few ounces. I can't imagine paint on the whole plane amounting to more than 15#'s or so.

Hope this helps.

Best,
John
(805) 686 4331


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N20TD W&B Work sheet.xls
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