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Performance @ 10k MSL?

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skylane08x

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I want to build an acro biplane, butwant no more than an IO360...maybe an IO390.
Are the claims of the Acrosport I having a 20,000 ceiling, 3,500 fpm rate of climb, 900# empty/1350# gross true?


How does an Acrosport II compare when flown solo? And would it be suitable for intermediate instruction at a density altitude of 10K or more?


How do the others compare? Starduster, Acroduster, Skybolt...



 

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