Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Rossi .67

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Old 10-29-2009, 11:40 PM
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vertical grimmace
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Default Rossi .67

Anyone have a quick thought on a good speed prop for a Rossi .67 with quarter wave muffler? I have been sport flying it with an 11-8 on a Kaos and it loves this prop. I think I would like to go down to 10" though to be fastened to a Sundowner 50. I did pick up some 10-9 and 10-10 props. I guess I will just have to go through the gamut on pitch to find what it likes. The .67 is a long stroke version of the .65. I do not think they make it anymore.
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Old 10-29-2009, 11:51 PM
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Default RE: Rossi .67

I would expect a 10-9 to be close.
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Old 10-30-2009, 07:07 AM
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Default RE: Rossi .67

You have the next two logical choices in hand, so try them out! MJD
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Old 10-30-2009, 02:25 PM
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Default RE: Rossi .67

yup and get a bigger carb as well, the heli boys run os 10mm heli carbs on the .65,.67 rossi engines, or you could just buy a new 10mm rossi carb from axe rossi, i just bought one off of fleabay from axerossi for 36..00
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Old 10-30-2009, 03:14 PM
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Default RE: Rossi .67

I will have to check the carb, but I think it is 10mm already. Thanks for the tips guys. I will post back when I have results. I will get tach readings as well. Never did with the 11-8, I just flew the plane. I am looking for speed with it now. So I am looking at the details a little closer.
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