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Home✈️Aircraft🚁HelicopterBeginners Corner › Need help wit battery
03-08-2016 12:14 AM  5 years ago
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Geezer

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Decatur indiana

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Need help wit battery
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  5 years ago
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 Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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03-08-2016 01:02 AM  5 years ago
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  5 years ago
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 Triabolo 700, Minicopter Diabolo 700, Minicopter Diabolo 600, Minicopter Diabolo 550, Goblin 770, HD 750, HD Cell 500
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03-08-2016 09:28 AM  5 years ago
Geezer

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Decatur indiana

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Thank you
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