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C of G Help Please!


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As above, the spit wing can be a bit awkward to figure where one third chord is but just measure at the line of the UC leg.  Looks like a representation of a MK 5 or 9 but those gun blisters on the wing look silly big.

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If the c of g is too far forward it will fly badly, too far back and it will fly once?.

Any idea of what make of model it is, if it is ARTF or who designed it, if built from a plan?

25% of mean average chord as a starting point if you can’t find a published figure for the model.

Good luck with the maiden Craig ?.

Edited by Piers Bowlan
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on spits i tend to use the pointy part of the wing tip as this is generally right on where the undercarriage join the wing. 

 

A google reveals that this is not far wide of the mark as this appears to be a topflite 63 inch spitfire and this is where the c/g is shown on the plans.

 

all of the details are available here. https://outerzone.co.uk/plan_details.asp?ID=13243

 

As always with warbirds go easy on the elevator. I would recommend no more than 8mm movement as the elevator will be very powerful. 

Edited by Jon - Laser Engines
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