E-Flight Power Sources Ask questions or read about power sources as they specifically relate to e-flight including Lithium-ion, Li-Poly, Nimh and Nicad battery packs.

What size lipo to use

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Old 01-10-2011, 01:30 PM
  #1  
hyflyer9
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Default What size lipo to use

Hello I am currently building a DC3 and i plane on running twin outrunner motor's and twin ESC see spec's on both .
Model: SK35-48 1100
Kv: 1100rpm/v
Turns: 3
Resistance: 25mOhm
Idle Current: 3.5A
Shaft: 5mm
Weight: 171g
Rated Power: 770w
ESC: 70A
Cell count: 3~5 Lipoly
Suggested Prop: 12*6, 12*6.5, 13*8
Power equivalent : .25~42 + glow engine

• Compact 80 amp Brushless ESC
• No BEC
• 80 amps continuous, 85 amps burst
• 55mm x 35mm x 8mm, 60g plus 3g bullets
• Handles 4-8 LiPo cells
• Programmable LiPo or NiMh cutoff
• Programmable brake
• Low

I want to use just one lipo pack to run both to insure I am getting the same power for both . my question is what size lipo to use .

Thank you
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Old 01-13-2011, 05:12 PM
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Dr Kiwi
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Default RE: What size lipo to use

If you are running 5s @ 40A for each motor you'll need 8000mAh-10000mAh to get a 6 minute flight ..... two 5s 4500-5000 packs in parallel should do it?
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