RCU Forums - View Single Post - Sig Spacewalker 1/3 scale (by rookie)

08-28-2014, 07:44 PM

#310

HighPlains

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Most air cooled engines require a bit of duct work to make sure the cooling works for front and back cylinders. Normally this is under the cowl, out of sight, but the purpose is the same, to force the air through the fins (down draft cooling).

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