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About facthunter

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  • Birthday 04/01/1940


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    non pilot
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    New Gisborne
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  1. I would ALWAYS Prime( Pre-pressurise) the oil system before running a new Motor particularly, from an outside pressure source. If the motor is slowly turned all the lifters will be filled and there won't be any clattering lifters. This process will not oil the bores or the camfaces but will reduce any delay of normal oil supply to a minimum. New camshafts are often moly coated to prevent scuffing. Nev
  2. QC is incorporated into the machining and materials conforming to specs/ inspection process Samples and testing. You either have it or you don't. Outsourcing can cause deviations that prove fatal to QC. Look at BOEING. Nev
  3. RAAus should get ahead of the game and examine and evaluate electric. It will be a quantum leap in better safety eventually. Nev
  4. Ross you could get similar results from an oil and filter change. Nev
  5. Badly put. 500 hours may be 10 years. The usual cover is 12 months elapsed. If you buy a lot from Bunnings it would PAY to keep your receipts.. The point it it's cheaper for them to just replace than UP the Quality Control. which is not appropriate for aircraft. (I would argue). SOME engine designs are more critical on fits and materials specs than others. Nev
  6. It's easily done . Just have at the top Page 3. of (5) and if t's a legal document sign each page. Pilots are supposed to be disciplined and methodical. CASA should set the example. NO confusion. Nev
  7. I don't think giving you a new one (engine) for the first 500 hours, cuts it in aviation. It's the way they work in Bunnings but your life usually doesn't depend on your drill.. Nev
  8. Each one is a compromise. That's why the flying car is a lost cause in my view. Nev
  9. I was referring to the Jab . I know some engines have a vac pump that doesn't like reversals but some engines have been known to kick back when very hot. What happens with a 912? Nev
  10. Yes some have crap linkage set ups. IF it's slow it may stall on a glide and If too fast you float too far but it has analytical aspects as well. Check for leaks? Turn the engine backwards with throttle closed and squirt soapy water near joins. Do the same with your head joint. turn slowly over compression. Look for bubbles. Nev
  11. Driving your own vehicle on Frazer Island? Don't plan on keeping it long. Nev
  12. Inlet leaks will show up at idle when the MP is lowest( Max vacuum) and the flow lowest where a leak will have the most effect on the mixture. If the idle is steady you shouldn't get much effect at full throttle. RAAus planes are supposed to do an idle check before taxiing. No steady and correct speed idle? Return and find out why. Nev
  13. I believe an aero engine should be purpose built for an aeroplane. Like any engine is for anything these days. Most bike engines have the clutch and gearbox integral. How do you get rid of those bits and mount the thing ?. (just for starters) then you need a Re drive set up that will take the power constantly. Earlier bike engines were an engine only and a lot more suitable for a small plane or a GYRO. Flat twins Vee twins or vertical twins. OR a Henderson 4.. NEV
  14. Re(reduction) drive.. Yeah they are developed for motorcycles that never have maximum power for more than a few minutes at a time. Nev
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