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HomeScale✈️AircraftScale HeliRoban Scale Helicopters › Batteries and Servos for 700 Roban AH64 Apache
11-06-2016 06:10 PM  3 years ago
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daehahnn

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Casa Grande AZ

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Batteries and Servos for 700 Roban AH64 Apache
What battery capacity for max flight time and servo combination should be used for this huge model with approx flying weight of 25lbs? I'm aware of how I choose to fly the model flight time will vary.
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11-06-2016 06:14 PM  3 years ago
chopper37

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TRUMP 2020 / NRA 2A We The People

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You might want to ask this in the scale section, just a thought
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11-21-2016 02:26 PM  3 years ago
Richardmid1

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Leeds, England

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Most of todays cyclic servos will have plenty of torque for that model, ide say anything over 10kg/cm will work fine. Reliability is most important so pick servos from a well known manufacturer like Futaba or JR.

That model uses the standard 2x 6s 5000mah packs in series and should be good for 10 minute flights. If you are wanting more flight time you can use 6000mah packs if they will fit. Alternatively you can use 2x 5s 6000-8000mah packs, this does 2 things to help flight times 1. It naturally lowers the head speed. 2. You can carry more capacity (mAh) for the same size and weight.
60% of the time, it works every time!
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11-30-2016 07:57 AM  3 years ago
EEngineer

rrProfessor

TX

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Just make sure your SBEC/etc. can provide the proper current to power the hi-torque servos and all of your avionic systems.Logo 600SXs, 800XX, TDR IIs
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11-30-2016 07:58 AM  3 years ago
EEngineer

rrProfessor

TX

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Create a power budget analysis.....

FWIW
Logo 600SXs, 800XX, TDR IIs
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