gmcjetpilot
Well Known Member
Question: How important is it to separate plug wires from each other and keep plug wires away from grounding metal structure?
What are your thoughts and opinions, experience in general on spark plug wires or harnesses. Do you have a favorite brand or type of spark plug wire?
Looking at pictures of RV builder engine installation's, I see spark plug wires zip tied together and/or running tightly through grounded metal adel clamps with little to no insulation. This applies to EI and traditional Magnetos.
I learned never run spark plug wires together or near grounding metal as a young car enthusiast. With that said OEM spark plug wires in past were not that good. High performance automotive wires are good and even better today. May be space does not matter anymore.
Magnetos traditionally have harnesses with external wire braid, which is grounded at one end. Not sure what the internal core of traditional Champion magneto harnesses use. No doubt braided metal shielding is for RF noise. I suspect this shielding makes spacing issue moot? I have seen plenty magneto harnesses zipped and bundled together. That does not make it right, just food for thought.
Most electronic ignitions forgo external shielding using automotive spark plug wires. However I never heard of Electronic ignitions in EAB kit planes making noise. (fill in blank of half dozen EI brands).
What are your thoughts and opinions, experience in general on spark plug wires or harnesses. Do you have a favorite brand or type of spark plug wire?
Looking at pictures of RV builder engine installation's, I see spark plug wires zip tied together and/or running tightly through grounded metal adel clamps with little to no insulation. This applies to EI and traditional Magnetos.
I learned never run spark plug wires together or near grounding metal as a young car enthusiast. With that said OEM spark plug wires in past were not that good. High performance automotive wires are good and even better today. May be space does not matter anymore.
Magnetos traditionally have harnesses with external wire braid, which is grounded at one end. Not sure what the internal core of traditional Champion magneto harnesses use. No doubt braided metal shielding is for RF noise. I suspect this shielding makes spacing issue moot? I have seen plenty magneto harnesses zipped and bundled together. That does not make it right, just food for thought.
Most electronic ignitions forgo external shielding using automotive spark plug wires. However I never heard of Electronic ignitions in EAB kit planes making noise. (fill in blank of half dozen EI brands).