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Helicopter
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Other › Help! Trex-Glitching
12-02-2005 05:37 PM  12 years agoPost 41
neophyte

rrApprentice

California

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I found a glitch source that I had not suspected before. The connectors.

The male and female connectors would not fully engage on one of my setups, and the aircraft would glitch a few times during a flight.

Pushed the connectors together until there was a positive stop, then pushed harder because they did not seem pushed in far enough.

Everything seemed to work OK, at home and at the field, except there was this troublesome glitch.

No obstruction or abnormality could be seen inside the connectors using 5x magnification, and a good light. It would just not push in all the way.

With a new connector set, the problem glitches went away. Lesson learned.

Ron

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12-02-2005 08:42 PM  12 years agoPost 42
AV8TOR

rrVeteran

Fort Worth, TX

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Where is the correct location for the ferrite ring? Between the ESC and the motor or the ESC and the receiver?

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12-02-2005 10:17 PM  12 years agoPost 43
hpilotrc

rrVeteran

NY--->>Mooresville, NC USA 8/2005

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Ferrite rings...

If anyone needs some ferrite rings PM me for a price. I have
plenty of them. They will help somewhat but I found the best cure is to
use a PCM receiver.

The ferrite rings should go on the esc to receiver lead and also the receiver to gyro lead.

Michael

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12-02-2005 10:19 PM  12 years agoPost 44
deafheliflyer

rrKey Veteran

Arizona

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hi

Fry's Electronics sells them for 2.00 each.


Better than paying .50 cents then 5 dollars for shipping

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12-03-2005 02:03 AM  12 years agoPost 45
DWS6

rrKey Veteran

Newark,DE

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RichW,
As I said earlier All of my glitching would occur on the bench not flying.
The ESC could not have been generating any noise at idle.
Later,

Dave Williams
Team Align

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12-03-2005 04:17 AM  12 years agoPost 46
Kevino_heli_man

rrApprentice

Valencia, CA United States

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An important thing to note is that the Ferrite rings come in different Mhz canclling types, The best one I heard is the 100Mhz and the other one I heard is the 50Mhz.

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12-03-2005 04:30 AM  12 years agoPost 47
Kevino_heli_man

rrApprentice

Valencia, CA United States

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Never mind my last post about the different Mhz, they make different ferrite rings that have different coatings but not different Mhz. But I still have heard that some types of ferrite rings work better that others.

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12-03-2005 05:24 AM  12 years agoPost 48
Paul Beard

rrApprentice

Bigfork MT

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The antennae are short - they'll hide easily under the canopy - much cleaner than 72MHz antennae.
Here's a pic of the antennas on a Trex:

Paul

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12-03-2005 12:10 PM  12 years agoPost 49
Hellijunky

rrVeteran

Chicago

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hey Paul Beard what kind of range do you get out of that setup ?

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12-03-2005 06:58 PM  12 years agoPost 50
Ozydego

rrKey Veteran

Westerville, Ohio

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Huh, I thought one needed to be veritcal... any decreased range having it horizontal??

But Honey, I can't live with just stock.....

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12-05-2005 01:27 AM  12 years agoPost 51
MicroDOC

rrVeteran

Goleta, CA

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I had a real bad case of the glitches on my 450XL-SE. I added a ferrite ring on my ESC to receiver lead and still had glitching problems, but not as bad. I then added another ferrite ring on my gyro (GY401) receiver lead and that cut the glitching significantly. I still get an occasional tail twitch and I'm presently working on that problem. In short, the ferrite chokes do help, but they are not the complete solution to the problem.
Ron…

Experience is something you don't get until just after you need it!

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Helicopter
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