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j400 Radio noise, new radio trig ty91


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Hi All, tried most things to eliminate radio noise, I now know that it is RF and proved this by having a hand held radio inside aircraft and could still get interference, I have changed rotor arms Ht leads cleaned distributer but no effect, I am now going to check plug gaps, I then intend to fit a new aerial with better shielded cable, then fit a capacitor to coil packs, if all that fails I will shoot myself, desperate for any help. Rob Brown

 

 

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Hi All, tried most things to eliminate radio noise, I now know that it is RF and proved this by having a hand held radio inside aircraft and could still get interference, I have changed rotor arms Ht leads cleaned distributer but no effect, I am now going to check plug gaps, I then intend to fit a new aerial with better shielded cable, then fit a capacitor to coil packs, if all that fails I will shoot myself, desperate for any help. Rob Brown

Have you adjusted the configuration internal settings. I fin I need to adjust these for some different head set brands. I make a note of my base line settings so I can get the settings right, eg 70% ,
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I did extensive tests on my 2200 and compaqred results from others at the time. Wrote the results up on the Yahoo group forums, attaching a copy here.

 

The main thing which has changed is Jabiru switched to inductive HT leads although they might not be the same type which I recommend. Owners in the UK are getting Magnecore leads made to their requirements. In NZ / Oz we can buy the bosh ones at Supercheapautos.

 

~ Radio Noise Suppression.doc

 

518712651_ferritesa.jpg.583f939fca039e063e60628e60f1a311.jpg

 

209367664_ferritesb.jpg.0f536a5844b294af35043b171424def8.jpg

 

616083167_radionoisesuppressionparts.jpg.af941510b9a9954fb76f44e336f06e27.jpg

 

423771813_leadVHFCarbon.GIF.9608e873e84132ad0fb33904ccb68c02.GIF

 

996244780_leadVHFBoshinduct.GIF.2fe56414d750f1a6a5ab232ce59ce2a5.GIF

 

~ Radio Noise Suppression.doc

 

~ Radio Noise Suppression.doc

 

~ Radio Noise Suppression.doc

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