* Balancing a Goldberg Ultimate Biplane *
10-08-2004, 08:07 PM
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* Balancing a Goldberg Ultimate Biplane *
I have a couple questions about balancing the Goldberg Ultimate biplane.
First of all, is it balanced upright or inverted?
Also, is it balanced on the top of the top wing, the bottom of the top wing, the top of the bottom wing or the bottom of the bottom wing?
Thanks in advance, Snaproll John
First of all, is it balanced upright or inverted?
Also, is it balanced on the top of the top wing, the bottom of the top wing, the top of the bottom wing or the bottom of the bottom wing?
Thanks in advance, Snaproll John
10-08-2004, 10:02 PM
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RE: * Balancing a Goldberg Ultimate Biplane *
John,
Usually the bottom of the top wing at the fuse. The way to find it without plans on a bipe is to look down on the "planform" of both wings, then treat them as one. Use 25% back as a starting point.
Hope that helped.
Dennis-
Usually the bottom of the top wing at the fuse. The way to find it without plans on a bipe is to look down on the "planform" of both wings, then treat them as one. Use 25% back as a starting point.
Hope that helped.
Dennis-
