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Other › Will it be OK with HK4020-1390kv+Phoenix60 ESC on LOGO10?
12-30-2009 05:01 PM  7 years agoPost 1
heliboy38

rrNovice

Seoul, South Korea

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Hi,

I got Scorpion 4020-1390kv motor. Will use 18.5v 5S 5000mah battery. I'm concerning that the motor would draw too much amp which cause ESC burn or failure. Should I replace with higher amp ESC like 80 or 100amp? or it's OK with CC60. I will use 17 or 18 pinion. Main gear is 200T
Your input will be appreciated.
Danny

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12-30-2009 09:59 PM  7 years agoPost 2
gravydrive

rrApprentice

Jacksonville, FL

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I burnt up a CC80 in flight running a 4020-1100 on 6S. I don't know how those numbers translate with a higher Kv motor, but I know that the lower the battery voltage the higher the amp draw.

The only reason I got the heli down in one piece is because I was running a separate BEC.

Murphy's Law Denier

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12-30-2009 10:08 PM  7 years agoPost 3
clayboy

rrApprentice

phuket thailand

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if u not flying crazy head speed and doing big punch out u should be fine with a 80 amp. a 100amp would be better

a 60 i think will burn pretty quick

i started with nothing and still got most of it left

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12-30-2009 10:15 PM  7 years agoPost 4
MrNiceGuy

rrVeteran

Melbourne, FL

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I would go with a 100 Amp ESC. The Castle Ice 100 works well on my L10. When running a lower voltage set up you will pull more apmerage for a given head speed than a higher voltage system. I ran a Phoenix 80 and it would get blazing hot (180 degrees) and sometimes shut down and that was on 6S. The Ice is barely above ambient temp. Gearing seems right 2166 in flight according to Helidirect's head speed calculator.

Yesterday is History, Tomorrow is a Mystery, Today is a GIFT

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12-31-2009 11:21 AM  7 years agoPost 5
heliboy38

rrNovice

Seoul, South Korea

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I will go with 100amp ESC. Thank you for your opinion.

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