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Norvel bushing 25

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Old 05-04-2003, 03:40 PM
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mjse
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Default Norvel bushing 25

Hi ,

what should be the aproximate peak rpm of a Norvel bushing 25 driving a APC 9x4 with 0%nitro & 5%nitro ?

Thanks
Old 05-04-2003, 03:51 PM
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Tattoo
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Default Norvel bushing 25

We use 10% and break 17,000 with the stock muffler and MAS 9x4. Kraut's can will put it over 18,000
Old 05-04-2003, 04:18 PM
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UltimateFlyer120
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Default Norvel bushing 25

Norvel 25 break in best on the plane in the air! 15% with a 9X4 at full throttle. I have several on combat planes and the Norvel 25 is bullet proof.
Old 05-04-2003, 04:27 PM
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mjse
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Default Norvel bushing 25

Tattoo , UltimateFlyer12

Thanks for the fast response , at 17000 RPM ThrustHP shows 5.69 lb static thrust and 0.921 HP ! it is very good for 3.5 lb QHOR and 2.5 lb PBF .

mjse

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