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PLEASE HELP WITH ESC!

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Esky Helicopters Discuss the line of Esky electric helis in here including the Honey Bee, Lama, Belt CP, etc

PLEASE HELP WITH ESC!

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Old 11-07-2008 | 11:57 AM
  #26  
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From: joburg, SOUTH AFRICA
Default RE: PLEASE HELP WITH ESC!

good news i emailed hyperion and they said they would help me so yay!!! but i am still wandering would it damage the battery pack if i flew on no cut for each flight of only 5 to 7 mins??
Old 11-12-2008 | 12:35 AM
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Default RE: PLEASE HELP WITH ESC!

Most of the ESC do not cut out at a high enough voltage. For myself I more or less time my flights. Most of the time I can get 8 min off a 1500 mah battery at 60% power. Your time may very, you will get used to it and notice when your power begins to drop off due to a low battery and it is time to land. I am running a Turngy ESC and it has a built in UBEC (stepping power supply) and separate conn for the balance plug on the esc and actually checks the individule cell voltage and if any cell reachs 3.7 volt or the total pack reachs 11.1 volt it does a slow down HOWEVER it is really slow.. so slow that you barely notice it and can still run down all 3 cells below 3.7 volt each and continue to fly (ok at that point you are at full stick so you know your pushing it).
In short do not depend on your ESC to tell you when to stop flying, unless you are trying to rack up a lot of frequent flyer miles on quanity battery purchases.
Old 11-12-2008 | 08:15 PM
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Default RE: PLEASE HELP WITH ESC!

helicrazedout - funflier is right you think the soft cut is not working cause it cuts at very low voltages and very slowly. I noticed when the soft cut cicks in there is only 9.6V left in the pack cause its designed for A123 cells too. A123 cells are only 3.3V per cell comparing to 3.7V li-pos. Unfortunatly theres no way to program it for those two type of cells.
I think thats why they sell it in two types, one with a warning LED another without. You can only program the LED low voltage warning in two modes but not the cut off voltage. Dont worry if yours came without that LED its not a great thing. you could buy a cheap stand alone one at only 6-7$.
Any way you could test your esc's auto cut by reprogram it to all those three settings: soft cut, hard cut and no cut and seeing the results. Im sure its working.

funflier and z - I loosen up the belt a bit and guess what? all problems are solved now the only thing is getting warm is the 10C battery.
Thank you so much guys for your helps
Old 11-14-2008 | 01:11 PM
  #29  
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From: joburg, SOUTH AFRICA
Default RE: PLEASE HELP WITH ESC!

thanks for the input guys your right the soft cut kicks in so slowly you dont even notice it but your right you must jugje your own flying time it and determine when to land your beautiful bird. problem solved thanks for the help guys!!!

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