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Old 01-09-2013, 06:03 PM   #1 (permalink)
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Question 70a ESC up in smoke!?!?
So I have my bird up on the bench right, I plug my BeastX into my laptop to do a little precomp adjustment stuff. All the sudden my BL70G ESC sounds like bacon frying and goes up in smoke. This really ticked me off because it only has about 30 minutes of flight time on it. Is there anything that I might have done to trigger this? Thanks in advance for any input you might have.
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Old 01-09-2013, 07:10 PM   #2 (permalink)
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What? That's weird dude.
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Old 01-09-2013, 07:31 PM   #3 (permalink)
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What? That's weird dude.
Totally. I'm racking my brain here.
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Old 01-09-2013, 08:01 PM   #4 (permalink)
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Could it have been the power from the laptop going to the ESC at too high of a voltage?
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Old 01-09-2013, 08:49 PM   #5 (permalink)
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Could it have been the power from the laptop going to the ESC at too high of a voltage?
I am trying to rule that out.
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Old 01-10-2013, 09:10 AM   #6 (permalink)
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Did you have at least one cable of the esc connected to the motor? I burned one like that- the connection wasn't good and the esc fried the hell out if itself. So always have one cable connected!


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Old 01-10-2013, 09:38 AM   #7 (permalink)
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Did you have at least one cable of the esc connected to the motor? I burned one like that- the connection wasn't good and the esc fried the hell out if itself. So always have one cable connected!


Vasil
I had actually just flown it. I didn't do anything after I landed other than disconnect the SYS plug and connect the USB.
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Old 01-10-2013, 07:07 PM   #8 (permalink)
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My vote is on a bad esc.
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Old 01-10-2013, 07:18 PM   #9 (permalink)
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mine was burned too and was new I was installing the microbeastx after 20 minutes of setting I change 2 servos in the receiver and bump was burned I don't even spin the motor It was align 70 amp.
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Old 01-13-2013, 10:32 PM   #10 (permalink)
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Bad esc.Ive had it happen as well.Not so much the newer stuff but older castle speed controlls years ago with there ice light 25 and 35 amps on my foamies.Plug in a full pack to go threw set up and not even giving it throttle just turning it on and they cought fire.
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Old 01-13-2013, 10:40 PM   #11 (permalink)
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Thanks. I'll keep all that in mind next time I feel like dropping $100 on an esc. I keep hoping that technology will give us an alternative to unstable and fragile esc's. In the 60's, they could make a television that would last 30 years, but can't make an esc last 30 min. Crazy stuff there.
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