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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Burnt up Voltage Regulator
06-23-2014 11:28 PM  6 years ago
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Norm

rrNovice

Nova Scotia, Canada

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Burnt up Voltage Regulator
I've been using flight tech 8amp linear voltage regulators for all my nitro helis with 2s lipo rx packs. I have never had any problems until now.
The rx pack is brand new. It's a Gens Ace 2600mah 2s lipo. Mid way through my second flight of the day. I landed to adjust my engine (raptor 50). I noticed the distinct smell of burnt electronics. My servos, gov etc... all seemed to be functioning normally.
On the bench today I discovered my regulator had burnt up a component on the board. The regulator is not a high time unit. The heli only see's limited flying throughout the season. Do these things sometimes just pack it in? Just wondering if I may of accidentally caused this somehow. Although the setup is pretty simple.

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06-27-2014 02:07 AM  6 years ago
dkshema

rrMaster

Cedar Rapids, IA

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Fried tantalum electrolytic capacitor. They're great, lots of capacitance in a very small package.

But -- they do have a tendency every once in a while to fail, catch fire, and burn. This is a well documented, common failure mode of this kind of capacitor.

I suspect if the printed wiring board and associated mounting pads for the part are still intact, you could remove the part, clean up the pads a bit, and replace it with a new capacitor and you'd be good to go.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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07-01-2014 11:24 AM  6 years ago
Norm

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Nova Scotia, Canada

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Thanks, I've decided to use a Western Robotics 10amp BEC as a replacement.
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07-15-2014 04:50 PM  6 years ago
chris6414

rrApprentice

Holly Ridge, NC USA

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Let me know if your going to toss it. I'll take it.

Chris
Century Hawk Sport, OS .32, Futaba 7C, GY-601 9251
Predator Gasser SE G-23, Fut 3010 servos, JR gyro/servo
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Servo - Gyro - Gov - Batt › Burnt up Voltage Regulator
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