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HomeAircraftHelicopterBeginners Corner › Need help wit battery
03-08-2016 12:14 AM  28 months agoPost 1
Geezer

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Decatur indiana

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Been out of Helis for a very long time but I got the itch again. I got my hands on an old Mikado logo 10 in very good shape. Then I went out and bought one of them century 550 1300kv motors on ebay. Trying to stay on the cheap side. I did buy a new 138t main gear .o7 mod. Could I get some help on what pinion gear it's a mod o7 and what size battery I would need for a head speed around 1750-1800. Do I need to stay with a 4S or can I go to a 6S battery with this motor. And pinion help please

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03-08-2016 12:39 AM  28 months agoPost 2
DemetriusUSN

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Virginia Beach, Va USA

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According to Mr. Mel's headspeed calculator, if you go 4s...you will need a 15t pinion but if you 6s....you will need a 10t pinion.

Both pinions will keep you around the 1800 headspeed mark.

Minicopter Diabolo 800, Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter 550,Compass 6hvu, Devil 380

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03-08-2016 01:02 AM  28 months agoPost 3
Geezer

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Decatur indiana

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Thanks for the help. I tried a few different heli calculators and seemed to get different answers. So I wasn't sure which one to believe. Do you think this motor is up to the task. I am just going to hover and slow fly around the yard, nothing fancy.

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03-08-2016 01:25 AM  28 months agoPost 4
DemetriusUSN

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Virginia Beach, Va USA

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You should be fine,give her a test flight or 2,then decide.

Minicopter Diabolo 800, Minicopter Triabolo 700, Minicopter Diabolo 700, Minicopter 550,Compass 6hvu, Devil 380

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03-08-2016 09:28 AM  28 months agoPost 5
Geezer

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Decatur indiana

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Thank you

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