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rhtrudder

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About rhtrudder

  • Birthday 27/07/1953

Information

  • Aircraft
    Sabre
  • Location
    Tongala
  • Country
    Australia

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  1. At around 4500 revs my engine definitely has increased vibration ,below 4000 and above 5000 it’s good , I think I come across this in another thread, it’s fitted with a O2 sensor so I know the mixture is correct, prop been balanced, could this be harmonics , has anyone else come across this
  2. Noticed a soft compression one one cylinder so ran through a leak down test sat the gauge on 80 , three read 77psi but the sick one was down to 75 psi , I guess not a lot of difference, could hear a faint bubble in the oil tank , engine has 1850 hrs up, would a set of rings an a hone fix this , back in my 2 stroke days rebored to get everything round , engine is a 914
  3. Dumb question, but how do you access the track logs from the skyecho
  4. If there is a DPDT switch could that be the problem, not easy to get to the trim motor
  5. Sorry should have said it’s on the elevator, I’ve got manual flaps
  6. Trouble is the thing only stops working in the air, would be better if it didn’t work at all, it has 5 wires, I think 3 are for the indicator
  7. Having intermittent problem with my up trim , down works always but up stops now and then, don’t think it’s in the switch, pulled apart and looks ok, can sometimes get it to work if I touch the down trim , not sure how to the thing is wired, looked up a wiring diagram and looks like it earths out back at the switch but I can’t figure out how it reverses the polarity , would there be another relay or controller to do that, there is a birds nest of wiring behind the panel so not easy to trace
  8. Okay, you’ve talked me out of it, thanks
  9. It took a few rinses to get rid of the frothy water, the plastic looks as solid as my other petrol containers
  10. Okay, they had roundup or glyphosate in them , probably just as corrosive as petrol maybe
  11. Can anyone see a problem using plastic 20 lt ag chemical containers to store petrol in , have got plenty to choose from
  12. Have replaced the throttle cables with good quality ones, smooth operation, carby balance looks good, at 5000 revs the butterflies would be nearly fully open , engine revs to redline on takeoff, has a inflight adjustable, if I run it at 5300 it’s good but when I pull it back to 5000 it’s very noticeable , I thought if the prop was out it would vibrate through the whole range, I’ll get it checked anyway
  13. Noticed Engine vibes between 4500 and 5000 , above and below, all good, Carbys just done , gearbox recently done, could it be prop balance
  14. If you let your RAA membership lapse for a number of years do you have to go through all the training to be able to start flying again , son has lost interest but hopefully take it up again some time in the future
  15. I ended up welding the plug at the start of the tail pipe where it leaves the muffler , leaves about 300mm to the end hopefully will get a good enough reading,
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