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Thread: How to determine prop size
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Old 05-21-2009 | 07:53 PM
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bill harper
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From: st. catharines, ON, CANADA
Default How to determine prop size
Hello
I have an E-Flite Eratix 3D 25e airplane.I will be usinga power 32BL Outrunner motor 770Kv anda E-Flite 60A Pro Switching BEC brushless ESC. I just purchased 4350mAh 3-cell/3S 11.1V PROLITE V2 20C LIPObattery from Thunderpower.The plane isto weigh between3.75 to 4lb with the battery installed. My question is what prop should I be using?
I purchased a APC 15x8 propbased on a recommendation from the hobby shop . I also have APC 13x6.5 prop which is one that the manual suggests. However they also reccommend a 14x7. Now I am total confussed and would like some advise on the proper propeller I should be using. This will be my first 3D airplane so I will not be doing any extreme 3D flying but would like to be able to progress into 3D flying as I become better.
Thanks in advance for your help.
Bill
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