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BD4 Performance specs

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SamP

Well-Known Member
Joined
Nov 4, 2016
Messages
94
I've started looking for the next kit, and came across the BD4C. It seems to have really good numbers, even if it wasn't a 60 year old design

I'm trying to understand what the reasoning is. It's got a higher wing loading than an RV-10, yet still lands and takeoff in comporable distances. Aerodynamically, a rivetless wing might be the reason for some of the gain, but a very boxy fuselage. An all moving tail means there is no trim losses there, so might help with the cruise speed.

Any other reasons for its high performance?
 
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