kkquad range problem

[Le_duke]

hi,

I have a problem with my kkquad =/ ( old jackub board )
I have tested my range with and without the escs plugged and I only have 10 meter of range when they are plugged. (The Fpv is not mounted yet)

I have tested to put some ferrite ring on the esc wire but it's not better.

Do you have an idea of how to resolve this ?

Thanks !

Duke

[SENTRY]

Yes - we'd love to help!! What receiver/transmitter combo are you using. Also what ESC?? Can you post pics of your setup and label components??

[Le_duke]

I'am using some parts from hobbyking :

Rx : http://www.hobbyking.com/hobbyking/s...idProduct=6601

Esc : http://www.hobbyking.com/hobbyking/s...idProduct=2163

my tx is a futaba t7cp

Here is some pics of the quad :

http://twitpic.com/5k2ei5
http://twitpic.com/5k2fs0

[SENTRY]

Can you measure how long your antenna (rx) is? (sometimes the ends break off and you don't notice). Also - make sure you have failsafes turned off on the Coronas - it improves the range.

[Le_duke]

The length of the antenna is good because I have changed it . Calculated with http://www.csgnetwork.com/antennaevcalc.html (41.020Mhz)

I have also tested with another corona and I have the same result.

I will check if the failsafe is turned off or not thanks !

EDIT: I did some more test during the afternoon and it seems that the esc are not the problem
Because when I plug directly the esc on the rx the range is very good .

But when I pass through the board the range is very bad. The kkboard maybe create some noise on the rx

[SENTRY]

Ok - so in that case put a toroid just before the rx and retest.

[Le_duke]

I have tested with a ferrite just before the rx but it has no effect =/

[SENTRY]

^^ How many turns did you use?

[Le_duke]

4 turns ...

[Mark Hitchman]

You are about 6 turns short of an effective filter.

Mark