Which plane is this?

I don't see it up on the web page.

Could you post a link?

(Edit: Never mind... I forgot to look at the Electrics )

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I have a bunch of Nitroplanes airplanes and every one has had the C.G. measurement either against the fuselage or in the case of biplanes, and a few monoplanes, measured from the mid point of the wing, leading edge front.

I would not go by the wing tips.

Better to be nose heavy and remove weight as needed.

Remember that shifting the engine a 1/4" forward can obviate the need for much of the extra weight...

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Note: Similiar models in G3 have the C.G. fairly close to the fuselage measurement you are stating.

You could always check with one of the on-line C.G. calculators.