This a good site to help you select the most efficient prop/ motor combination<div>for your application.</div><div>If your motor is not listed just use the closest KvA rating.</div><div>It has worked well for me.</div><div>
</div><div>http://www.s4a.ch/eflight/motorcalc_e.htm</div><div>
</div><div>Happy flyin', Oscar</div>