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engine size?

Old 03-18-2003, 03:32 AM
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strattac
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Default engine size?

Could someone tell me what size gas engine would be the same size as a ys120?
Old 03-18-2003, 04:32 AM
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DMcQuinn
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Default engine size?

120 is 1.2 cubic inches. This is about 20 cubic centimeters. Most gas engines are measured in cc's. So something around 20 cc's is the same displacement as the YS 120.
However, a 20 cc gasser will not typically develop as much power as the equivalent alcohol glow engine. And the YS is a very powerful glow engine.
So a zenoah G23 would be close, but not as powerful. Something around 30 cc's may be close to the same power. And whatever gas engine you choose, it will be heavier than the YS.
Old 03-18-2003, 11:39 AM
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strattac
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Default engine size?

Thanks for the info. How did you arrive at your answer?Do you have a chart or a mathematical formula for converting cubic inches to cubic centimeters?
Old 03-18-2003, 12:03 PM
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lbianchi
 
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Default engine size?

1 cubic inches = 16,39 cubic centimeters
1 cubic centimetres = 0,06 cubic inches

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