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Old 09-15-2003 | 08:35 PM
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Jim Schwagle
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Default RE: Sig rascal trainer question
The number refers to the engine's approximate displacement in cubic inches. A "40" sized plane would use a 0.40 cubic inch engine, a "60" would use a 0.60 cubic inch engine, etc. The SIG Rascal "40" sized plane has a 72.5" wingspan. See...

http://www2.towerhobbies.com/cgi-bin...?&I=LXBDE7&P=7
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