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Old 10-25-2004 | 07:58 AM
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SAP_2000
 
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From: Stabekk, NORWAY
Default RE: Radio Range Trouble.

Hi all!

I was there this weekend and try to help Roy Jimmy with this interference issue!

I was sitting beside the airplane when Roy Jimmy was standing about 2-300 meters down the runway with the radio (antenna fully stretched out)

When the turbine and ECU was shut off, there were no problems. There was also no problems when the turbine was at idle.
When throttle was increased and the turbine ramped up, it entered fail-safe (could tell because flap is raised in FS mode). When the turbine again reached idle, everything was working perfectly again. Because Roy Jimmy at that time had the throttle up, the turbine started to ramp up again and then it entered fail-safe again and so on.....

He has tried with different radios, crystals, receivers. we also moved the fuel pump on the outside of the plane when running + that we also tried with a new fuel pump.... Results was still the same.

I was told that a turbine with ceramic bearings could not cause interference, but now I am not so sure anymore...???

Any clues anyone??