Hey Graham,
DOnt know for sure whats up with the KO, but couple of questions that spring to mind (apologies for teaching Gran to suck eggs!)
- are the batteries in the TX over 10.5v?
- is the RX powered from the ESC or seperate batt pack?
- is there a power cap fitted?
If a power cap or ESC is fitted then measure the voltage going INTO the RX. You might find that it is intermittant and/or low.
- Has all your testing been int he same location? (thinking here that 2.4Ghz is a very busy freq. and other things may be colliding with your signal
Interesting that you say about the new aerial being shorter than the previous one.
That worries me as the RX will be tuned to the wavelength coming from the original aerial and if that has now changed, then performance will change too.
(I know 2.4Ghz doesnt need a big aerial, but its all about what signal spec the RX was originally designed to expect)
- Was the aerial connection a little gold plug? Was the new part a like for like fit?
Hope some of that helps mate.
Keep us posted!
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