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Old 09-08-2009, 11:22 AM
Leo L
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Default RE: PZ T-28 prop size

Although in general getting a wattmeter is a good idea, in your particular situation you should have no propblem using any of the props you mention. The 10x7 will give you the most torque of the three props mentioned. The 9x7.5 will give you less torque but a shade more speed (you might not be able to notice the difference). The 9x6 will give you less performance, but you should get longer flight times (if you are doing ground take-offs, the take-off will be noticeably longer).