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facthunter

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Everything posted by facthunter

  1. facthunter
    Getting back to the drain Valves. I don't like relying on a spring OR an "O" ring. The drain VALVE(s) should all be located in the Lowest parts of the section they drain from and would frequently be in contact with water making steel unsuitable for the seating Parts, long term. Nev
  2. facthunter
    Biting off More than it can chew. Likely to scare the Little ones and give them bad dreams and not want to fly. Nev
  3. facthunter
    The shortest sentence in the Bible. I didn't finish it either as someone told me how it ended. Nev
  4. facthunter
    Most of My comments can easily be confirmed IF people do the research which they Can't be bothered doing because their Mind is already made up . I reserve the right to critique ANYTHING and I don't tell LIES either or Make stuff up. Unfortunately there's a Lot of absolute Crap about on line but with a bit of Honest and skilful effort you will get info you can rely on. My criticism if some aspects would stand assessment by engineers and I'm sure Rotax are aware of it too. They Have upgraded a few things as a result. Press fits and Case strength. Nev
  5. facthunter
    Kyle, IF I even slightly suggest a Rotax is not PERFECT, I get Howled down Mercilessly, no matter what facts I bring up. Most of us who have experience KNOW that NO machine is Perfect. I was Pretty good Mates with Bert Flood some time ago and he didn't say they were Fault free. I've been building, reconditioning Balancing and Modifying engines all my life Pretty successfully If I may say so judging on Performance and lack of failures Your work is quality and well based. Keep up the good work. Nev
  6. facthunter
    Jesus Wept. Nev
  7. facthunter
    IF you machine all surfaces of a part accurately IT can be balanced already. IF it shakes it would be an alignment issue in most cases. Don't ignore any new vibration. Nev
  8. facthunter
    Remove and have a Plug or cork ready and clean and Lap it, then put it back in. Do you Filter your fuel or is there any sediment showing in your drain sample. Nev.
  9. facthunter
    I usually just give them a few twists each way while holding them DOWN if they are the Item I'm thinking of. Nev
  10. facthunter
    I didn't see that .Many exhaust AND some Inlet systems have a slide joint with packers but they can All Leak. The increase in the volume creates the Mixture issue. I wonder if anyone has checked the engine in a quick response situation. The standard set Up seems to be satisfactory. Nev
  11. facthunter
    Still needs restrictors to stop the Pulses. Please explain How a substantial FIXED Length pipe doesn't get stressed when the Engine changes temperature and why the Response to a rapid Power increase say when going around, would not be More compromised .Mixture wise. A plenum between the throttle and the Intake valve is never a good thing. Nev
  12. facthunter
    That will stir Skippy UP. Nev
  13. facthunter
    A U tube connected to both sides would do that or a simple flow indicator that works in both directions. The thing you need is for the settings to remain where they are when set. Nev
  14. facthunter
    Problems are often Hard to diagnose. Sometimes only done by swapping items till the faut is corrected.. Self testing built into the system can be done. Nev
  15. facthunter
    FORD T and A models in Pietenpols.. Holden alloy V8s in Glider TUG planes. Nev
  16. facthunter
    Cars DRIFT in Corners when you Push them Hard. Most of us have HAD a car or 2, or 20. Some people put car engines in Planes Even Hillman IMPS.Nev
  17. facthunter
    I know the car I serviced. Have you TRIED Looking it up? You'll mostly get later High Performance. stuff. This thing would Make about 160 Km/100 MPH Flat out. Nothing Racy about it .A 2 Liter Riley would do about the same. Engine not easy to get at either. I only worked on it because the Owner was a Friend and he was CARING about it. Nev
  18. facthunter
    "Pneumatic" DOES throw me off. Do you Mean EVEN MP? A MANY times bigger area will improve that But I've presented adverse Possibilities that Only ONE person acknowledged that SHOULD be considered.. Nev
  19. facthunter
    BrenDAn there's some mention of the BMW Neue Klasse " Inspiring" the Datsun 1600 Motor but it doesn't appear to be anything like it externally or technically and had many variants. The 200B preceded it but was considered too BIG for the High cost Fuel Market at the time so the smaller capacity engine was used. There's NO comparison between those Beemers and a Datsun .At one stage the BWW ROAD Motors were the basis of their F1 Motors. We did have one of the Beemers come in that was MAKING Hard Metal in the valve gear section (Hard steel on Hard steel) and the metal bits contaminated the rest of the engine and Knackered it, EVENTUALLY. Might have been an early Model. I think they warranteed it. If you are interested look up the Coventry Climax FWB Motor. The fire Pump Engine that Became a race car Motor. It looks like a Datsun. and became the inspiration of the SMALL Hillman IMP car engine. Also IF you can dig it up the details of a 50s/ 60s MERC. 190SL Coupe engine 4 cyl and view that. Nev
  20. facthunter
    I did Point THAT out.. They are BIG Bucks. Nev
  21. facthunter
    The Morris J Van had a Sidevalve Morris OXFORD motor in it. About 2 Litres. Early 50s Vintage. Good at cracking valve seats. My Cousin delivered milk in One. HE OWNED the dairy as well and I reconditioned Plenty of them where I worked. Early Datsuns copied Austin (BMC) motors. Not the BEST motor to have copied. BrenDAn I've serviced a Merc 190 . ( a very COLLECTABLE CAR) and MY best Mate rallied Datsuns from the 1600 up to Stanza SSS factory Racing specs and components. There's NO BMW motor I've seen that remotely resembles the Datsun Have a Look at the Merc Motor 4 Cyl single cam. Nev
  22. facthunter
    It's a VERY LONG time since Japanese copied Mainly English Vehicles. The Datsun 180B motor appears to be based on a Mercedes 190.. The Bellet was copied from a Hillman Toyota used some Help/liason from Cosworth and Yamaha. Ford and Mazda partnered. Datsun Became NISSAN. Nev
  23. facthunter
    Tyre Pressure Gauge.
  24. facthunter
    With the Wheels well forward of the wing leading edge. it would certainly be Hard to Keep straight.. Fly's at about DC3 speed.. Very small Payload. Nev
  25. facthunter
    Unless you highly restrict the Vacuum gauge, the Needle will be just a Blur. One carburettor per cylinder is Best of all. . Nev
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