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03-27-2012 12:52 PM  7 years ago
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gearset

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Thunder Bay Ontario

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C.C cap pack?
Who's using them?
Livin'............
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03-27-2012 02:52 PM  7 years ago
Stephen Born

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USA

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I use Kontronik and Scorpion esc's. We dont need them.
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03-27-2012 07:18 PM  7 years ago
3dgimble

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Rochester

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If you are not using a receiver battery pack they can be very use full, just encase you loose power, provides buffer power for a few seconds to auto land. I have seen them used. never seen anyone loose power but im sure it pays off if you do.
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03-31-2012 12:44 PM  7 years ago
WOS

rrApprentice

NW INDIANA

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.
..
...
Still learning to fly
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03-31-2012 06:43 PM  7 years ago
Band1086

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Kennewick, Wa. USA

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Who's using them?
I have a couple.
I use Kontronik and Scorpion esc's. We dont need them.
That, as a blanket statement, is a error in judgement.
If you are not using a receiver battery pack they can be very use full, just encase you loose power, provides buffer power for a few seconds to auto land
That's not what they are for, and I doubt that would really work.

The capacitor pack is designed for the purpose of keeping voltage ripple to a minimum. They are esp. useful where too small or long of wire is used or too small or poorly soldered/ high resistance connectors are used. Any of those things can be done with any brand ESC. In short, too much resistance(which is the largest factor in producing VR) between the batteries and the motor. Voltage ripple is probably the most detrimental thing to any brand ESC, and if controlled properly would probably stop 80% of all brand ESC failures. I honestly believe my Jive HV120 would not have failed had I had a "Cap Pack" in front of it. They are extremely useful for protecting all ESC's, like using a surge protector to plug your computer or other sensitive electronics into.
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03-31-2012 09:31 PM  7 years ago
3dgimble

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Rochester

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True that also, but but there is enough there from the esc cap bank, I see its number one advantage to me to be the emergency storage it provides. I fly 12s 40c and up, I wont notice much ripple with that setup. Just like a highend car audio system if you have a high discharge rate fuel setup able to charge up fast as well not much need for a large cap. bank. Car audio motors see ten to hundred more ripple than heli motors.
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04-02-2012 05:16 AM  7 years ago
RM3

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Killeen, Texas - USA

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The cap banks are not used for "additional Storage". they are just used to buffer voltage spikes and ripples between the battery and ESC.

If you were to use a cap bank that DID actually have enough storage to give you say 30 seconds (for like an emergency auto), it would be rated about 1 farad and for a 12S system the capacitor with 50V and 1 Farad would be about the size of a 20 oz Red Bull can....
Car audio motors see ten to hundred more ripple than heli motors.
car audio motors??? dude what the hell are you smoking? I seriously doubt the "ejector" motor for the CD player is of much concern to the power system....
showing a preference will only get you into trouble, 90% of everything is crap...
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04-02-2012 05:38 AM  7 years ago
3dgimble

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Rochester

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Car audio woofers do have motors inside them. When one uses large caps in car audio they are usually for Bass. The low frequencies that create bass require a lot of power to keep the motor inside the woofer moving, caps act as buffer to smooth out power ripples that most high performance car batteries can not supply. Very good car audio Amplifiers carry very large cap banks inside them, these cap banks are placed close to the drain source so they can supply the energy faster than additional farad caps, such as carbon caps.... The caps you see on your ESC serve the same purpose. Please before you jump at someone do the research first. Read the previous posts, capacitors do hold enough power to power your servos for a decent auto. I would recommend them if you are not using an additional lipo, only downside of it is the HVS that cause carbon build up on connectors. One could fix this by adding additional connector to take the spark or an additional wire with diode or resistor like this;
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04-23-2012 08:15 PM  7 years ago
Stephen Born

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USA

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The Scorpion 130HV Commander OPTO has the unit included with X-tra large caps. This is standard.

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