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This thread is privately moderated by verticalspark, who may elect to delete unwanted replies.
Jul 25, 2010, 10:52 PM
Aut Viam Inveniam Aut Faciam
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Powered Up UM J-3


So I love the UM J-3 but unless it dead calm outside you cant fly it. Now most pilots would just say "Fly indoors" but I have nowhere to do that so I wanted some more power so I can fly outside when I want. So I ripped out the stock motor and gearbox, and I mean ripped out. I think parkzone went a little too much on the glue. I dropped in a UM P-51 motor and gearbox along with the P-51 prop. I have to wait for the foam safe glue to dry (forever) so I can check the COG. As of right now I am going to leave the faux motor off to help with the weight.
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Jul 26, 2010, 12:17 AM
Just gotta mod. it
canadianufo's Avatar
I've done that swap to 4 of my cubs and it never changed the cg. any

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