Goldberg Ultimate
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Goldberg Ultimate
I have a goldberg ultimate bipe that has an OS 120 surpass III pumped engine on it and I need to know some prop recomendations for it. I plan to fly IMAC style aerobatics with it and maybe some 3D once I get use to flying it. I have never had a 120 size 4 stroke but have had many 91 size. Let me know what you guy's think.
Rick
Rick
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RE: Goldberg Ultimate
Start with a 15-6 or 15-8 that should be close. An APC will give a little better power but a MAS will work fine. The APC does not slow down the airplane like a MAS but this is not an issue with a bipe.