Terrible glitching w/ UBEC and FM reciever... cures? - RC-Monster Forums

Finnster · **Terrible glitching w/ UBEC and FM reciever... cures? -** 10.15.2006, 01:50 PM

I'm getting terrible range and glitching when I'm trying to use my JR r135 FM Rx's w/ a BEC with my ERevo. I had the problem with the UBEC I bought here, and still the next one I bought when that one died. I'm getting only ~30ft of range and runaways, strange steering etc.

Oddly enough, I am not having the same trouble when I am using a cheap 27mhz AM Rx. Well that's to say I only get mild problems when the car is over 100 yards away. No steering wierdness ever....sigh...

When I hook up a Rx pack, I get no glitching, the FM rx's are fine (I've used two diff Rx of same model and same result.) I am using the other r135 Rx in my BL rustler w/ no problems (using int. BEC.)

Is there an easy soln? Could hooking up a cap help solve this? Its really disappointing to not be able to use a good radio (w/ brake and trav adj, etc..)

The Rx are in the rear of the Revo over the shocks and the wires are routed as far away from power wires as possible, FYI.

neweuser · 10.15.2006, 01:55 PM

sometimes the ubec will cause interference. you just need to figure a good place for it. otherwise your stuck using an rx pack

squeeforever · 10.15.2006, 02:06 PM

Keep it away from the tranny as well. That could be a problem. Sometimes the gears in the tranny can cause an interferance.

Finnster · 10.15.2006, 07:28 PM

Quote:

Originally Posted by squeeforever

Keep it away from the tranny as well. That could be a problem. Sometimes the gears in the tranny can cause an interferance.

Keep the RX or the Ubec?

I notice I get a little servo "whine/glitch" even when the esc is off, but not at all when the Rx pack is plugged in. :( I could try to move the ubec to the back, but really there is not much room left.

squeeforever · 10.15.2006, 07:34 PM

Move the UBEC around.

Finnster · 10.16.2006, 12:08 PM

Quote:

Originally Posted by squeeforever

Move the UBEC around.

I'll see what I can do, but I think I'll use the rx pack for a while.

I seem to be only wrenching it lately and am just dying to run it. I think I've had every known tranny prob the last few runs (roll pin break, broke drive dog/output gear connect, case failure, etc.) Brushless is a beast!

Romster · 10.16.2006, 09:55 PM

Hello,
I have had the same exact problem!!!
-I moved the ubec all over my car
-change the rx
-change the crystals
same thing ...Now I just run the rx pack.

scyan · 10.16.2006, 11:24 PM

I had the same exact problem with a xs3 and receiver... I fixed it..

I switched to a nomadio ;)

Scy