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Old Sep 02, 2004, 01:18 PM
Julian537 is offline
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which is better APC, APC slow, master airscrew???


Which prop is more efficient? why 2 different electric props from APC? what is the general concensus of the master airscrew props?
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Old Sep 02, 2004, 01:52 PM
Dr Kiwi is offline
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APC SF - quite efficient but safe only at lower rpm (65000/prop diam max. = 6500rpm for a 10" prop.

APC E - less efficient at low rpm than the SF, but able to withstand far higher rpms (190,000/prop diam. = 19,000rpm for a 10" prop).

Master Airscrew - standard series are not very efficient - sorry, I have no experience with the new "electric only" MA props.

In my experience, for parkflyers, the GWS HD are tough and the most efficient of the lot.

Cheers, Phil
Old Sep 02, 2004, 04:09 PM
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Thank You, That answers alot of questions I had


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