Counter Rotating 3 blade props for P-38
04-29-2007, 08:57 PM
#1
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Counter Rotating 3 blade props for P-38
I'm having some difficulty in determining what props I need to order in for a GWS P-38. Its spun by a pair of brushless motors which need a 9x7 3 blade prop according to Master Airscrew, and I want to run them in a counter rotating setup (ie one prop runs clockwise and one counter clockwise) so I need one normal prop but for the other side the masterairscrew website has a pusher prop listed in both counter clockwise and clockwise configuration... so which one do I need or will the pusher prop even work and I just need a counter clockwise regular prop?
Kane
Kane
05-18-2007, 12:50 PM
#3
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RE: Counter Rotating 3 blade props for P-38
you will need a high kv motor to spin them. they are not very good at low rpm.
and really why do you need a 3 blade prop no one will be able to tell in the air and if for looks just use them as display on the ground. 3 and 4 blade props are not very efficient (sp)
and really why do you need a 3 blade prop no one will be able to tell in the air and if for looks just use them as display on the ground. 3 and 4 blade props are not very efficient (sp)
