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Jabiru7252

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Everything posted by Jabiru7252

  1. Jabiru7252
    Was the sun at the same angle during both flights? Lower in the sky will have a much lower heating effect (follows some cosine law). What about grass, greener in Oct then Feb?
  2. Jabiru7252
    I read that planes built for the war weren't built to last because they were expected to get shot out of the sky. There are a lot of 'fairytales' when it comes to war stories I'm sure.
  3. Jabiru7252
    Maybe it's like CB radio. Some simple minded folks find it funny to annoy folks who cannot give them a good slap. Some people think trolling is an internet thing, but it's been around since the first radio signals went out...
  4. Jabiru7252
    There are devices that will record G forces and turn rates that don't cost a fortune. A bloke I worked with had one on his model aircraft.
  5. Jabiru7252
    Nah, set his face on fire then put it out with a shovel...
  6. Jabiru7252
    I lent a mate my lawn mower, he mowed over rocks and stuff like they weren't there then couldn't understand why I never let him borrow it again. Some folks are just plain stupid.
  7. Jabiru7252
    I was pretty annoyed at 1am this morning (27/01/2021) because some fool was doing circuits for about an hour! I'm right under the final approach to 21R at Parafield. Anyway, turns out the plane had a nose wheel problem, so I guess I'll let this one go. Here's a link to the news site with video... https://www.abc.net.au/news/2021-01-27/emergency-landing-at-parafield-airport/13093958
  8. Jabiru7252
    Yes, better to know a little about a lot that a lot about nothing.
  9. Jabiru7252
    I think folks with driving licenses should be picked at random, say 200 a year. Test their skills and knowledge of the rules. If they 'flunk' give three months and test them again. If they flunk again, make them do a coarse. You don't have to test the entire population, just a good sample to gauge if there is a problem. However, it seems to me that the vast majority of road accidents is caused by drugged up mental defectives that should be in secure places away from society and light.
  10. Jabiru7252
    I'd be guessing but, I think the club planes needing the valves lapped so often is because they are used for training. If it were to apply to any Jab engine, it would be a very expensive exercise for many owners. Planes used for training get 'flogged' a lot harder than (say) me plodding around in the sky.
  11. Jabiru7252
    Permission granted. P.S. I love maths.
  12. Jabiru7252
    No, you cannot have a rest. Go fix your typos. You typed 103.2mb instead of 1013.2mb. 🙂
  13. Jabiru7252
    What does one mean when they say "Foxbats don't have laminar flow wings"? Isn't all airflow over a wing 'laminar' (during normal flight) or am I having a senior's moment?
  14. Jabiru7252
    From the same mob that use a rocket launcher backwards!!!!
  15. Jabiru7252
    That would be metric years. 🙂
  16. Jabiru7252
    I did 30 mins of aeros many years ago. That was enough for me thankyou very much.
  17. Jabiru7252
    First up, some LSA aircraft have a MTOW of 540kg, not 600kg. Secondly, as far as I know, LSA aircraft don't have the 'P' charts like I used to use when flying the Piper and Tobago. Maybe I'm wrong, but no P charts with my Jabiru. And thirdly, who would fly in 45°C temperatures? That's front bar temperatures. And, going by memory (that's had a few ports this evening) 45°C would give a density height of over 6000 feet in ISA conditions.
  18. Jabiru7252
    And, there are people who believe the Earth is only about 5000 years old.
  19. Jabiru7252
    That's a dangerous looking fan belt there matey...
  20. Jabiru7252
    Duh? Back in the day, years ago, I had worked on a few transmitters that would 'sniff' the RF at the output and feed that back to a simple circuit that biased off the RF power transistor if things were wrong. It's pretty simple to implement, a diode or two, some resisters and a capacitor or two. These days, I look at the guts of a modern radio and it's two or three big chips and twelve million tiny, tiny things that are apparently resistors, capacitors and inductors. Most of the 'smarts' are in the big chips as firmware. Bring back transceivers that are as big as shoe boxes, weigh 10 kilos and hum quietly and I'd probably be able to fix it.
  21. Jabiru7252
    Good point Yenn re transmitting with no antenna - however a decent radio will know if that's the case an not try to deliver power up the coax.
  22. Jabiru7252
    Sounds like ignition noise. Disconnect the antenna to the radio. If the noise is still there, it's coming through the power lead. You'll need an inline choke fitted. I know nothing about Rotax engines but I would assume suppressed spark plug leads etc. are fitted. In cars, a suppressor capacitor was fitted to the ignition coil to stop interference. Something similar would apply to the Rotax engine I'm sure. As Bosi72 suggests, make sure all radio wiring and high tension (plugs, coils, magnetos etc.) wiring/connections are good.
  23. Jabiru7252
    Great videos!
  24. Jabiru7252
    Howdy. It just seems to me you're expecting a shiny clean engine with no signs of ever running. Even my engine at 160 hours shows most of the stuff your on about, although my leak down tests are all in the high 70s.
  25. Jabiru7252
    Not sure where you get your info Glen, but it's wrong. With respect, I think you're suffering OCD or something. What did the leak-down checks reveal? Top end overhaul at 370 hours - bollocks.
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