I take it you are using the smallest prop ikara makes? We made a couple planes with those props barely over 8g, and we still thought the props were too big. Trimming them down a little on the trailing edge should cut a little weight (to add to the weight lost by sanding) and the prop will take less force to spin. We are trying to get the plane to fly on 81 rubber, as it flies on our 87 no problem.well i feel bad because we didnt weigh the origanal pieces as we built. i do happen to know that the fuse including hook and prop assembly weighs 4.4 and the ikara prop we have weighs 2.05 and the wing weighs about 2.13. we are using a combo of the freedom flight model with a home made wing design the kids made similar with tip dihidral. they are getting around 1:50ish if all goes well and they say enough prayers. they are happy but still getting passed by teams in our region by quite some bit.
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