Rick Pellicciotti wrote:

Glasairs have optional wingtip extensions. They add about 5 ft to the
wingspan of the airplane.

http://www.newglasair.com/glasairSIIspecs.html

Rick Pellicciotti



Granted that this would have been taken into account by the designer,
but wouldn't this play hell with the center of lift and by extension
throw off the CG? That is, it wouldn't modify the CG, just change where
it SHOULD be.

I'm thinking that it isn't a good idea in just any old plane.

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