Glitch Buster

[Bigbush979]

What exactly is a glitch buster and is it necessary on my rig? It came with my Savox 1230sg servo when I ordered it from amazon. Do I need it on my rig? I’m running a Traxxas trx-4 Bronco with a Hobbywing 1080 esc. From what I’ve read the glitch buster is just a capacitor for high powered servos. Since I’m running the Servo at the recommended 6 volts is it really necessary? Thanks in advance guys!


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[Greatscott]

Yup, just a capacitor that acts as a temporary power source for when your ESC's BEC gets too much amperage drawn on it. It keeps all of the electronics at full power to prevent brown-outs and glitching. These are mainly used in fast RCs, when the extra demand on power consumption is momentary (i.e.: hard cornering). But, they really do not work that well in crawlers, when your steering gets bound up on a rock the capacitor will discharge quickly causing a brown-out of glitching. This is why an external BEC works best for our niche of the hobby.

That HW ESC puts out 3As, which should be ok with that servo, given that you do not run anything else other than the RX. But, running those three mini servos, along with whatever lights and winch you have on board, I would recommend a 10 BEC.

[Bigbush979]

Originally Posted by Greatscott

Yup, just a capacitor that acts as a temporary power source for when your ESC's BEC gets too much amperage drawn on it. It keeps all of the electronics at full power to prevent brown-outs and glitching. These are mainly used in fast RCs, when the extra demand on power consumption is momentary (i.e.: hard cornering). But, they really do not work that well in crawlers, when your steering gets bound up on a rock the capacitor will discharge quickly causing a brown-out of glitching. This is why an external BEC works best for our niche of the hobby.

That HW ESC puts out 3As, which should be ok with that servo, given that you do not run anything else other than the RX. But, running those three mini servos, along with whatever lights and winch you have on board, I would recommend a 10 BEC.

Awesome, thanks for the info! Ok so no glitch buster. Also I’m going to need a BEC? And what’s an RX? (Sorry noob)


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[Greatscott]

Originally Posted by Bigbush979

Awesome, thanks for the info! Ok so no glitch buster. Also I’m going to need a BEC? And what’s an RX? (Sorry noob)


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Keep asking questions, today's new kid is tomorrow's expert.

TX = Transmitter
RX = Receiver

Yes, I would recommend a BEC. Castle sells a couple versions, I normally get the $20 10A BEC. It is not waterproof, so you need to put it in the RX box, or waterproof it yourself. Castle also has a waterproof version as well, but it is twice the price. The hardest thing about the install is soldering it in, other than that, just follow the diagram it comes with and you'll be in business.

I use conformal coating to waterproof electronics, works great and doesn't need to be reapplied like Corrosion-X does. For the CC BECs I slit the shrink wrap, remove the BEC, dunk it three times in the coating (drying between dunks), then put the shrink wrap back on with a piece of electrical trap, easy-peasy.

[Smokin' Joe]

The Hobbywing 1080 lists its internal BEC output at 3A. The savox 1230sg has a stall current at 5.3A at 6v. Despite this, my guess is your Hobbywing 1080 would run fine (no brownouts) even without an external BEC as I've read of someone running a Savox 1290sg (stall current 9.2A at 7.4v) on a 1080 without an external BEC and not getting brownouts. That being said your servo would likely have a little more torque if you did run an external BEC.