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Tommy_Gun -> RE: Victor Valley RC Fliers' Spring Warbird Race (4/17/2008 8:26:57 PM)
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Hey Dave,
I think the wing area of that plane is a limiting factor.
Here are the rules they are using for this event. They seem to be almost exactly the same as the SAM Warbird racing rules.
It looks as though a minimum of 400 sq/in of wing is needed and at least a .30 size two stroke.
http://www.rcpro.org/html/rules/warbird_racing/warbird_racing_rules.htm
"The minimum engine displacement for single engine aircraft is .30 cubic inches for 2 stroke engines, and .40 cubic inches for 4 stroke engines. The minimum combined displacement for multi-engine aircraft is .50 cubic inches for 2 stroke engines, and .80 cubic inches for 4 stroke engines.
The maximum engine displacement for single engine aircraft is 1.20 cubic inches for 2 stroke engines, and 2.40 cubic inches 4 stroke engines. The maximum combined displacement for multi-engine aircraft is 1.80 cubic inches for 2 stroke engines, and 3.60 cubic inches for 4 stroke engines.
The maximum engine size for a particular aircraft will be determined using the wing area/engine displacement tables provided below. Engine sizes will be allowed a 1% (.01 multiplier) fudge factor. Wankel engines are classified as 2 stroke engines. Proof of engine displacement and wing area is the responsibility of the contestant. Wing area will be determined by average chord X span when requested by specific protest."
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