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Second thoughts on my ESC

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Old 08-07-2016, 03:02 PM
  #1
smitty4980
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Question Second thoughts on my ESC

I have a plane with about a 5 pound flying weight. It came with a Gunther 2028/07 700 watt 39X41 motor which calls for a 9X5 prop if used with a 5 cell battery or a 10X5 prop with a 4 cell. It also came with a Dymond 23680 70 amp ESC. I need a big battery for weight and balance. I got a 5 cell 30C continuous discharge 4000 mah battery. I'm concerned that this might be too much battery and burn up the ESC. I found a formula for battery amps which for this battery would be 30C X 4amps = 120 amps output max continuous load. I assume a 30C 4000mah 4 cell would also have 120 amps max continuous output.

So the question is, will the 70 amp ESC and 5 cell battery work okay together or do I need to change one or the other? If I need to change, what do I need to go to?
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Old 08-09-2016, 12:24 PM
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I'm up to 30 views. Doesn't anyone have a suggestion?
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Old 08-09-2016, 12:49 PM
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The Saylors
 
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Your not getting much for hits because you posted it in the wrong area. I would copy it to the air plane threads as those guys will help you quick. As far as your question i would look up what the capabilities of that esc and also how consistent the discharge is for the packs that you are using. some packs are inconsistent which needs to be considered. I always go bigger on the esc than necessary just to make sure i dont have issues with heat/fire/puffing but with the weight restrictions on planes i know that isn't always an option.

Alex
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Old 08-09-2016, 01:45 PM
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Thank you. I appreciate your assistance. I'll try to move to the right place.
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Old 08-09-2016, 01:50 PM
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Any time!
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Old 08-20-2016, 02:56 AM
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Looks like another thread got started where it belongs in electric
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