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djpacro

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Everything posted by djpacro

  1. djpacro
    Try Chapter B2 of Bruhn's book Analysis and design of flight vehicle structures by E.f Bruhn
  2. djpacro
    The Poly-Fiber Manual gives detailed estimates for a variety of aircraft, the J-3 for example: 10 gals of poly-brush, 11 gals of poly-spray, 6 gals reducer etc. Total weight of the fabric and coating system using 1.7 oz poly-fiber was 33 lb = 15 kg. They go on to mention a reduced-coat (refer the cautions re UV etc) ultralight (their example is about 2/3 the size of a J-3) system which would total about 12 lb or 5.5 kg. By comparison the original J-3 in cotton and dope was 75 lb. In 2.6 oz Poly-Fiber it is 43 lb.
  3. djpacro
  4. djpacro
    That is what it states on that magazine's website for the particular set of numbers they are quoting. You'll probably find that a typical empty weight is higher than quoted by the magazine however.
  5. djpacro
    Beautifully flown.
  6. djpacro
    Talk to Bleve97 and feel free to give me a call about who does what to whom at Moorabbin. I don't do stuff like this any more.
  7. djpacro
    When I visit Redciffe and do some aerobatics take a guess at my inbound and outbound tracks and altitudes plus consider which frequency I would be on.
  8. djpacro
    Might be worth looking at how the Christen Eagle kits are put together https://www.aircraftspruce.com/catalog/pdf/FrankC.pdf Been around for many years but a lot of effort was put into development of the kits. eg first step in the manual was to unpack the blade to enable you to open the first kit. Still available but not cheap! Info on kits at https://aviataircraft.com/wp-content/uploads/2016/01/Aviat_Eagle_Kit_Price_List_2015.pdf Builders get comprehensive construction manuals instead of plans.
  9. djpacro
    Seems to me that only a fraction of airproxes are reported.
  10. djpacro
    Mu guess is that Ian wouldn't have a Jab engine
  11. djpacro
  12. djpacro
    nothing to do with CASA
  13. djpacro
    I take little interest in what the BOM forecasts for Melbourne. After checking with them this morning I decided not to go flying (for aeros) but early arvo there were blue skies with AWOS stating scattered at 4700. It happens this way too often.
  14. djpacro
    The International Visitors Tent is a good place too.
  15. djpacro
    CofA reqt only via airworthiness design requirements, if applicable ... eg FAR 23 and aerobatic aircraft are not exempt.
  16. djpacro
    I flew with him at Lovely Banks around that time too. Saw him last year at Casey Field reunion.
  17. djpacro
    South Dakota requires the usual evidence of being a resident.
  18. djpacro
    thanks, I will try that There are ways for a foreigner to do it legally. From an Australian PPL: a flight review and a medical. Do a flight review. Indeed!
  19. djpacro
    I've got a USA CPL and recently been researching my next visit. Their drivers licence medical requires you to hold a drivers licence of a state of the USA and that requires you to be a resident of that state which requires the correct visa etc. (I haven't checked all of the states ...) Visit the FAA website to see what your options are and email them as they are very helpful.
  20. djpacro
    Conversion to a PPL at Converting Overseas Licences | Civil Aviation Safety Authority Yep, you need an AVID or an ASIC - which one depends on where you want to fly.
  21. djpacro
    I spent some time with Lamar Steen - he told me that Curtis Pitts caught him under an S-2 with a tape measure - Curtis told him not to bother and gave him a set of S-2 plans. Lamar scaled it up to suit his own very large frame. I got to know Curtis pretty well some years after that, top guy. May do, on a day when the weather is not good enough for aerobatics and I want to go flying anyway.
  22. djpacro
    I spoke briefly to Jill about this at Avalon, there are other threads on the subject of aeros in RAA. My point with this thread was that if someone is not permitted to do aerobatics then this is what CASA says one is not permitted to do. My opinion is that CASA is now discredited as a safety authority on this subject - unless one equates safety with sitting on the ground. Do they have specific rules for aerobatic drones?
  23. djpacro
    Yes. I knew Keith and David fairly well and kept in contact until they passed away. Aaah the Elsaburgers!
  24. djpacro
    This is the source of most published info for civilian aerobatic pilots: http://www.dtic.mil/dtic/tr/fulltext/u2/751397.pdf - read from page 15.
  25. djpacro
    Definition of Aerobatics
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