Radio Problem

[Winkman1]

Hi everyone . I could really use some help again. I bought two new 9.6 volt battery sticks to replace my 8.4 volt packs . well as soon as i put the boat in the water i noticed the motor would cut in and out but it would only do this when the boat was heading back at me. If i turned it to head away from me it would run fine with no cutting in and out. I then changed the battery's back over to the 8.4 volt packs and the problem was gone. I also noticed that as the 9.6 volts volts got weaker the boat stopped cutting out. Do i need to run a receiver battery ? could that be the fix ?

[old_dude]

It seems that the BEC in your ESC doesn't like the higher voltage :eek: of the fully charged 9.6V pack ..... A separate receiver battery pack has a very good chance of resolving the problem :)

Old_dude

[Winkman1]

Thanks for the help . I'm gonna have to get a receiver pack and give it a shot.

[Ghost 2501]

also check routing of the antenna,

running the higher voltage may be causing a bigger brush-arc, which is affecting the signal. gradually as the voltage subsides, the arcing will subside, allowing the antenna to work better

[Winkman1]

One more question . How do i disable the Bec and run a separate battery pack for the receiver ? Do i just have to plug in a battery into the BB spot on the receiver? Or is there something else ?

[toesup]

One more question . How do i disable the Bec and run a separate battery pack for the receiver ? Do i just have to plug in a battery into the BB spot on the receiver? Or is there something else ?

http://www.rcgroups.com/forums/showthread.php?t=783582
Sounds as if you are looking at 'Image 1'... ;)

and yes, the battery pack is plugged in to the 'bat' 'bb' (other than a servo 'slot') on the Rx

[Winkman1]

Thanks for help and the link. Gonna have it out tomorrow to test it out

[pkboo]

also check routing of the antenna,

running the higher voltage may be causing a bigger brush-arc, which is affecting the signal. gradually as the voltage subsides, the arcing will subside, allowing the antenna to work better
This is indeed your most probable cause, you might wanna be using one of those ferrite beads around the battery leading cables and have some capacitors soldered to your motor. It doesn´t always help but most of the times it makes the difference. Boo