Lancair Super ES
Well Known Member
Well, I have been flying my Lancair for 80 hours and loving it. Knocking off the last of the minor squawks. One the has me perplexed is a very staticy background noise:
Get it on both radios - a G530 and an SL30, on different antennae
SL 30 is on an exterior Comant 121; G530 is on a bonded in AAE in vertical
My transmissions are heard fine
I actually here transmissions in when it is staticy fairly well most of the time
The WEIRD part is it is 100% reproducible on 118.xx, 119.xx and 120.xx freqs only. Rest of freq spectrum is crystal clear with good range
I thought I had it narrowed down to the Primary ALT since at 8-900 RPM I could switch the static off and on with the field switch. So, I put one of those big capacitors (from B&C) on the PRIM ALT. No improvement at higher RPMs. Noise is the same with either alternator.
Any ideas? The lower freqs only has to be a clue, I just don't know what is means!!
Thanks in advance for any ideas or direction.
Gordon
Lancair ES N144GP
IO-550
VAF paid
Get it on both radios - a G530 and an SL30, on different antennae
SL 30 is on an exterior Comant 121; G530 is on a bonded in AAE in vertical
My transmissions are heard fine
I actually here transmissions in when it is staticy fairly well most of the time
The WEIRD part is it is 100% reproducible on 118.xx, 119.xx and 120.xx freqs only. Rest of freq spectrum is crystal clear with good range
I thought I had it narrowed down to the Primary ALT since at 8-900 RPM I could switch the static off and on with the field switch. So, I put one of those big capacitors (from B&C) on the PRIM ALT. No improvement at higher RPMs. Noise is the same with either alternator.
Any ideas? The lower freqs only has to be a clue, I just don't know what is means!!
Thanks in advance for any ideas or direction.
Gordon
Lancair ES N144GP
IO-550
VAF paid