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Thread: Tach. readings OS 120 III Surpass w/pump
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Old 05-10-2008, 03:12 PM
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Flyer95
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Default RE: Tach. readings OS 120 III Surpass w/pump
I have this engine and it will turn a APC 16x6 @ 8500rpm, 15x6@9800rpm on 10% nitro and 20% oil castor/syntetic blend.

I liked the 15x6 better than the 16x6 for funfly aerobatics and hovering but a 16x6 can be used on a scale project.
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