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Old 12-01-2004, 05:19 PM   #16
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Originally posted by howard hudson
I have tryed those clip on filters with no luck . If you want a for sure fix for a glitch problem get the yokoma noise filter . its about 20 bucks and you get the filter that goes between the esc and tge reciver and two differant types of sheilding wrap that goes on the reciver this works real good
yup. this bad boy works real well. a teammate of mine uses it and he doesnt glitch anymore
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Old 12-01-2004, 05:26 PM   #17
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well he needs to go back to school cuz it does work., The clip on ones aint worth a sh-t just a waste of money
Why are they found on your pc monitor cable and playstation pads then, or are those different?
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Old 12-01-2004, 05:26 PM   #18
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Hebiki,

But I still see him glitch... hmm, probably that's just his hands shaking...

Anyhow, I like the ferrite magnets from yokomo (actually made by TDK). It works for me and costs less. Just an FYI, you can buy these from electronic stores that sell monster cables for speakers. These were made for speaker wires to reduce the noise coming from stereo components to the speakers.
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Old 12-01-2004, 05:40 PM   #19
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Why are they found on your pc monitor cable and playstation pads then, or are those different?
ill just steal those off old computer stuff and use it on my RC
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Old 12-01-2004, 05:43 PM   #20
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Aren't those just Toroidal cores? Or am I thinking of something else?
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Old 12-01-2004, 06:03 PM   #21
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Quote:
Originally posted by Hebiki
ill just steal those off old computer stuff and use it on my RC
Got mine from my work LOL. There from a gameboy link cable. I only use one on the Negative motor wire since the battery side is smoother. You only really need it if the current is going through a device to another device which is ESC to motor or RX to ESC.
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Old 12-01-2004, 09:59 PM   #22
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These things are just surge protectors.

They work by restricting current change (reducing punch) which alternatly reduces radio noise.

I would suggest looking for a real solution to glithing probs.
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Old 12-01-2004, 10:17 PM   #23
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Ideally, you shouldn't have glitching problems if you do the wiring and layout properly. Noise killer accessories should only really be a last resort and they do not work all the time either.
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Old 12-01-2004, 10:22 PM   #24
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Regardless if they work or not....

I would not trust a career electrician....lots of stuff that works on our little cars rarely makes sense to similar industries.

I remember one day, when I was a kid at the local track.....a guy came in with his kid to buy a car. The dad was some type of aerodynamic engineer at Boeing. He sat there for 25 minutes explaining to us why a wing on an offroad car would do absolutely nothing because of its size. He told us it was too small to make any difference. We tried to convince him and literally had to get a car going out of the track and let him drive it with and without the wing to prove the point.....and low behold, every time he went over a jump without the wing, the car just nose dived.

There have been similar arguements over the years about baseball if a ball REALLY curves, slides, sinks, etc....took nothing more than putting these guys in the batters box with a MLB pitcher to make them feel dumb.

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Old 12-02-2004, 08:59 AM   #25
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Well... Logic and theory may suggest that something will just not work... but try it in the real world and you'd be surprise at what you find.

I didn't believe at first but then I gave these ferrites a try and it works. I'm a believer now.

Yeah I think scientists ruled out the possibility of building machines that travelled faster than sound back then. I guess the world must have flipped over when a plane broke Mach 1.
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Old 12-02-2004, 09:12 AM   #26
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Quote:
Originally posted by Entropy
Ideally, you shouldn't have glitching problems if you do the wiring and layout properly. Noise killer accessories should only really be a last resort and they do not work all the time either.
I don't agree with this at all. Even if the wiring is perfect and the layout is set properly, there is still a chance that you can have glitching. There are too many factors that can cause glitching....the number of people with radios on at the same time (even if none of the frequencies are the same), electrical towers, cell phones, even the building itself...there are a lot of variables. Even the pro's have glitching and they use a lot of different methods to help prevent it!

On another note, I have been using the ferrite magnets for the last year and until the other day I couldn't tell you if they worked or not. After soldering in a new motor, I forgot to put them back on my car and I did notice some glitching I wasn't getting earlier in the day. For the next pack, the only change I made was putting them back on and no more glitching.

I think most people that say they don't work are putting the magnets on a setup where they never received glitches before the magnets and don't notice a difference with the magnets.

Bottom line is if you are getting glitching, give them a try!
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Old 12-02-2004, 09:14 AM   #27
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If you call www.digikey.com they will hook you up with ferritt coils, they have both the clip on (which work OK) and they have the wrap coils which are the ones Yokomo uses. I love yokomo but they cahrge too much for a coil that you can do yourself. The coils cost like 50cents each and if you want they have many sizes just call there custom line and ask for a specialist. I think I spent like 20.00 and got two hand fulls of the clip ons and the wrap kind. If you are looking at buying some I could part with a few of each type.
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Old 12-02-2004, 09:16 AM   #28
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Airplane guys have used it for years for glitching prevention, well before most of us got into R/C. In order for the ferrite cores to work for R/C electronics, you have to wrap it around the core at least 3 times to have its full effect, see the pic from howard hudson's post. The clip on ones just don't allow your wire to loop it 3 times.

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Old 12-02-2004, 10:49 AM   #29
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Quote:
used to use it, until a club guy which is a hardcore electrician by trade told us it really doesn't do squad

Electrician or Electrical Engineer? Electricians pull wire, Electrical Engineers deisgn circuits. Cores do work. They reduce the common mode noise that may exist on signal wires. Anytime we make a precision measurement at work we use them.
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Old 12-02-2004, 11:15 AM   #30
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Unless someone put some scientific findings on R/C specific application. We can talk about how it works in other industry and how your job blah blah blah, my uncle blah blah blah, but that doesn't mean it applies to our little r/c car. Like EddieO said earlier, it goes both ways.

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