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rgmwa

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Everything posted by rgmwa

  1. rgmwa
    One of my earliest memories when I was about four was watching the seagulls glide effortlessly over our house and wishing I could do that. All these years later and I'm still trying to do it.
  2. rgmwa
    Practising stalls? Showing off? Typical pilot behaviour?
  3. rgmwa
    For the RV-12 the required flow rate for the 912ULS is 1 US gal from the gascolator outlet in 180 seconds or better. Not sure if this applies to the CH-701, but imagine it would be similar as the engine is the same. I'd be wary of using 1/4" tubing as the flow rate will be a lot less than 3/8". Feed lines in the RV-12 are 3/8" although the return line is 1/4".
  4. rgmwa
    And that’s obviously the real attraction. Pretty much sums up everything.
  5. rgmwa
    Dumb comment.
  6. rgmwa
    Yes, but his model flying would probably give him an instinctive feel for the control inputs required for aerobatics in a full sized aircraft, so he might pick the skills up quicker than most if he was to try it. Of course being in the cockpit and subjected to the forces and disorienting visual effects might negate all that.
  7. rgmwa
    Impressive piloting skills! I wonder how he would go flying a full size plane.
  8. rgmwa
    A typical light industrial slab is 125-150mm thick and reinforced with a single layer of SL72, SL82 or perhaps SL92 mesh laid about 40mm down from the top surface. The edges should be thickened to about 300 mm deep with a layer of L8 or L11 trench mesh in the bottom. That should be fine for a something like a Kingair. The more important thing is what is under the slab and how well it's compacted. That's where you need to get some local engineering advice on how to prepare the subgrade and what sort of slab you need. I've seen loaded concrete trucks drive on 100mm thick shopping centre slabs that were just a week old with no issues. I've also seen 300mm thick slabs break up after a short time in service.
  9. rgmwa
    And your.recommendation for the most reliable, trustworthy news source would be ....?
  10. rgmwa
    Even if you get permission to land does that give you permission to pee on the property?
  11. rgmwa
    You could try posting on https://vansairforce.net/community/forumdisplay.php?f=73 which is the Vans Air Force RV-12 forum. Plenty of light sport pilots there who may be able to help. Good luck.
  12. rgmwa
    Me too, back in 1976. In pieces in the back of the hangar at that time.
  13. rgmwa

    Lockheed SR-71 Blackbird

    rgmwa commented on red750's aircraft in Military

    I read somewhere that they couldn’t fly it these days, mainly because the fuel it used is not obtainable any more.
  14. rgmwa
    Which one?
  15. rgmwa
    Spin recovery is one thing but letting go of the stick in a spin and hoping it will self recover, which it might eventually, is not something I’d like to rely on, particularly in bad weather.
  16. rgmwa
    I'm not so sure. Maybe if it was very well trimmed. I've only flown an RV-7 once so I'm hardly well qualified to comment, however it was a bit more sensitive in roll than my RV-12 and I wouldn't trust that to recover by itself as it rolls and accelerates downhill so easily.
  17. rgmwa
    Well that’s still a pretty good endorsement even if you don’t end up buying out GE and P&W.
  18. rgmwa
    Thanks for the update. Very interesting to hear GE and P&W obviously taking it seriously. Hope it’s a winner.
  19. rgmwa
    I assume the engine was on display at Oshkosh. Did you get a lot of interest?
  20. rgmwa
    I think the shock of witnessing a crash like that makes people react in ways that may not seem logical. There is a chapter in ‘Fate is the Hunter’ where Ernest Gann describes he and another pilot in his parked jeep freezing after seeing a DC3 crash and start to burn in front of them. He struggled to understand his own reaction and it had a profound effect on him.
  21. rgmwa
    Tragic accident. I had the seat slide back in a 172 once. Luckily it happened early in the take-off run, so I aborted without problems apart from upsetting the tower by exiting the runway without asking permission.
  22. rgmwa
    The Odyssey PC680 is the standard battery Van's supplies with the 912ULS for the RV-12, but they supply the much lighter Earth-X (0.6kg) with the RV-12iS because the engine is heavier.
  23. rgmwa
    PC680 weighs 7.0kg.
  24. rgmwa
    I use an Odyssey PC680 AGM with my 912ULS. It's about $160-$190 from various retailers.
  25. rgmwa
    Like Morry Hummel, Vans have over time incorporated improvements in the RV-12, and no doubt the other RV models, based on suggestions and modifications made by the early builders and documented on Vans Airforce website. Even yours truly can claim a couple of very modest contributions that have since appeared in the current kit.
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