S.P.A.D. Aircraft - Coroplast design Discuss the growing area of S.P.A.D.S. (Simple Plastic Airplane Designs). Coroplast type aircraft, pizza box planes, etc..

plane size ?

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Old 09-14-2018, 09:51 AM
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r ward
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Default plane size ?

using typical SPAD construction methods and using 4mm. for the wing vs.2mm., how big a plane (Ugly-stik or similar) could be built for a 25cc whacker engine and yield at least "moderate sport style" or "2cd plane" performance ?
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Old 09-14-2018, 03:37 PM
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You might look at the Ultra SPAD Stick 31CC + engine. WS 81 length 61 13 lbs. Maybe scale it down a bit.


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Old 09-15-2018, 06:26 AM
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r ward
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yup, that's kind of what I was thinking...... maybe a 5% reduction.
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Old 10-17-2018, 05:28 AM
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If you get one of the more powerful engines, like a DA50, blow it up to 110%
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