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Model Forum / Radio Controlled / Water Models / July 2008Interferance
Hi Guys Wondering if anyone can give advice. I am running a ofshore v hull with a 25cc cy motor,at this weekends racemeet I started to get interferance. This eventualy resulted in a runaway,after checking all the obvious things I tried again,done about 7 laps no problem,then it locked into a tight circle. Luckily I was able to shut it down. The question is now where and how does one start looking for the problem without just replacing things,at a relativly high cost. Thanks Gavin de Vries South Africa  Signaturegavin de vries Obviously you have checked both RX and TX batteries, that is usually where I would start. Sometimes if you have your receiver too close to a servo, you will get interference, do you run an FM or AM radio?? Generally the AM is more prone to random bouts of interference, FM not so much however I have heard some pretty good things from the Spectrum radios at 2.4ghz. I have also read from some of the flying guys that if you have a frequency really close to anothers frequency that is running with you(within 1 number either side of yours), there can be clashes there too, so as a result, they only allow every second numbered air frequency to be used. Signaturedeestingray :confused: deestingray I have a SANWA M8 radio with a sanwa 40 mhz reciever,I also have a Spectrum 2.4ghz module that fits onto it.However I have been advised against using it in a boat with a spark ignition.However it used to work great in my r.c. cars.Do you reckon its worth giving it a try,at this stage I dont think I have much to loose. Cheers Gavin Signaturegavin de vries You need a shielded spark plug cover! The alternative is a PCM radio. > Hi Guys > [quoted text clipped - 13 lines] > Gavin de Vries > South Africa yep > You need a shielded spark plug cover! The alternative is a PCM radio. > [quoted text clipped - 15 lines] > > Gavin de Vries > > South Africa Is your ignition shielded...specially the spark plug? Ignition engines can give radios fits. One solution is to use PCM rather than PPM > Hi Guys > [quoted text clipped - 13 lines] > Gavin de Vries > South Africa |
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