Model airplanes run on methanol (hint-hint)
I paid about ?6/gallon. Make sure it's pure, and not mixed with oil!
If you use the stock windscreen reservoir, remember that many fumes will enter the cabin. Methanol is toxic, and doesn't smell.
I chickened out and went for 90%water 10%methanol, mainly for antifreeze purposes.
If you use a dedicated tank for the stuff, make sure it's plastic (methanol attacks aluminium)
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