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Mega 22/45/XX
Aerobatic or Fun Fly weighing 5 1/2 to 6 pounds full up such as a SIG Something Extra at 6 pounds with 2 pounds (16 cells) SC NiMH, 9x6 prop turning 13,000 rpm would draw 37 amps at full throttle producing 546 watts and supplying 473 prop watts for 87% motor efficiency at 90 watts per pound. This will give good vertical performance, prop hanging capability and compare to a 46 size glow engine for a 10 minute flight. A 9x7 prop would increase current draw to 40 amps, prop power to 494 watts and reduce flight time to 9.8 minutes. An 8x6 prop would decrease current draw to 28 amps, prop power to 400 watts (74 watts/pound) and extend flight time to 11 1/2 minutes. USD$174.60
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