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Jul 06, 2002, 10:03 PM
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Simple Series Ultimate Biplane


Has anyone converted the Ultimate biplane (simple series) to electric.. Im going to try but cant decied what power combination to use. Suggestions welcomed.
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Jul 07, 2002, 01:15 PM
Giddy up!
Sal C's Avatar
At almost 400 sqin wing area and ~30ozs it should be a good candidate. Keep us posted...
Jul 08, 2002, 01:56 AM
Registered User

Simple Bipe


We are building two of them one with the standard ply peices and another with traced balsa, Im doing the ply and a friend is doing the balsa. I have drilled as many litening holes as i can and its still heavier than the balsa fuse with no holes. It should be interesting.
Jul 08, 2002, 08:42 AM
Registered User
Sounds like a 10-cell project to me.
Jul 09, 2002, 09:35 AM
Registered User
Kevin Murray's Avatar
I've not tried this one.

Should do OK on the X250 power set-up
Graupner 1700 GB 2.33:1
Sp 400
9*6 Slim Prop
10 pack 0g AR500's (Or 10 AE600 or 10 CP1300)


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