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Old 01-27-2007 | 07:22 PM
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Flyer95
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From: STOCKHOLM Akersberga, SWEDEN
Default RE: OS91FX with tune pipe
One more thing
All APC sizes are not equal as the 13" diameters are narrow bladed and 12" dia. has wider blades in comparison. And 14" diameter are also wide.

And some wide blades rev up like there is no tomorrow Can you believe my 15x4W turned up the same rpm as my APC13x8 which has narrow blades.

For this reasons the thrust HP or PPC can never be used for comparison[]
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