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I bought one of these and Mine needed quite a bit of balancing. I installed it on a turnigy 26cc gas engine and my engine seemed to get pretty hot with this one.. I think im going to go with a 17x7 or 17x6... overall, good props and I will buy more.*My order was delayed 27 days and dnt printed bad quality for HK.
payed 1 month ago !!!!!!!! bad hkHardly needed any balancing. Really high quality, and true pitch.Grande desempenho, um acabamento muito bom, qualidade boa, recomendo!I bought several of these over the last weeks, and they realy hold up.
I mounted it on the TGY AerodriveXp 90 SK Series 50-65 380Kv / 1820w on 6S and it realy does the job verry well. Just make sure you treat them like you would treat you'r girlfriend. These props or slim, and fine build. And realy "low noise" Perfect for electro ! To buy an plastic version 17x8 you have to pay four times the amount of dollars.
I Highly recomend this one over the plastic one.