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pylon500

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Everything posted by pylon500

  1. pylon500
    Just some observations, which I'm not 100% sure of..? Is the wing actually tapered? Depending on which photo's I look at, I get the impression that the wing has a lot of cantilever after the strut attach point? Yet the spar caps look to be about the same size over the whole length? The strut reinforcement blocks look a bit 'sudden', meaning they don't appear to taper the load out into the web gradually. I think I would have used a plywood rib at the strut attach, to stabilise the shear movement in the top cap in that area. At least with full span ailerons, the twisting load on the wing is lessoned. Separately, I would have mounted the engine a little higher, for multiple reasons; Less power/pitching moment, Better ground clearance, More room under the mount to try to hide the exhaust, (it can be done, you don't need that big can hanging totally on the outside). How wide is your cockpit?, does look a little cramped.. Sorry for any grief, just my observations (hopefully all wrong).
  2. pylon500
    Reports from The Oaks, had water over the Northern end of the strip, as well as the Eastern end of what was the cross strip (down towards the creek). Will take a few days to dry, the wind helps.
  3. pylon500
    Shame about all those side plates you had lasered !! And as mentioned before, if fully skinning the sides, you only need light bits of angle to stiffen the skin.
  4. pylon500
    Provided it's one of the newer Jabs, and not a 55.
  5. pylon500
    If you want to align airflow past ailerons, it's better to fit fences on the end of the ailerons than hope for winglets to help (and I certainly wouldn't expect the Jabiru ones to be of any use). Having said that, the Jabiru ailerons need all the help they can get, as they are very poorly designed.
  6. pylon500
    While this is all thread drift, I would still like to reiterate my view that 600kg is plenty for what we are generally doing, and remember that the Europeans have to do the same for only 450kg. We use the 'recreational' moniker, just to hide the word ultralight from the insurance companies. Going beyond 600kg is stepping on what SAAA exists for. Failing that, if CASA is going to step away from private flying, and let it self govern, how about we get some real dispensations towards a 'recreational' world of flying and allow all the fun things we want like aerobatics, night VMC, private crop dusting, 'Not for profit' flying (cost recovered flying like beach shark patrols, at cost social joy flights, etc). And more so in the experimental/amateur field like, multi engine, turbine engine, light weight helicopters, lifting platforms etc. I was going to say electric powered aircraft, but I feel these will become mainstream much sooner than people think ! Meanwhile, my mate with the RV4 is still thinking about moving on to something else.
  7. pylon500
    Has someone got the copyright to 'OZFLY'? As for radio, technically yes should have it, although no RPT goes into Narromine, which is usually the reason for radio. (I said reason, not rules...) Having said that, all the times I've arrived at Narromine for Natfly, it's been a case of, the place looks deserted, but the radio chatter is non stop! But even with radio, many seemed to just turn up at all different places around the area, and try to figure out where the circuit was...
  8. pylon500
    Like the hydraulic cable swaging tool.
  9. pylon500
    If you're going to metal skin the sides of the fuse, it's not worth making steel (or whatever) fitting to hold the vertical stiffeners. A small aluminium triangle bracket on the inside would be plenty. It could include the locating tag for the cross member. Truth be known, the square tube stiffener is overkill as well, even if you only intend to skin with 0.016 thou.
  10. pylon500
    Bubbles only take a bit of practice (and following standard procedure), are fairly easy to make. One of our locals got it right (eventually)
  11. pylon500
    So the extrusions come pre-drilled?
  12. pylon500
    1500kg is a lot of aeroplane for a two seater? Or are we going to let the real warbirds into RAAus now?
  13. pylon500
    So no option as a taildragger? If you came up with a way of making the plate symmetrical, you could just reverse it for tail wheel set up.
  14. pylon500
    RAAus RV4; Only single seat, No aero's, Self maintain, $210 membership, $110 rego (subject review) No controlled airspace (UNLESS PPL'ed) GA rego'ed; Two seat, Aerobatic, LAME maintained (unless SAAA trained) possibly $850~$1500 100hourly/annual, No rego fees (yet), No license fees (yet) Go anywhere.. What have I missed....?
  15. pylon500
    And we've just re-invented GA with ALL it's associated rules, regulations and additional costs.
  16. pylon500
  17. pylon500
    Actually if you're looking to build something in the RV3/4 type range, have a look at the Panther; https://flywithspa.com/ Looks like an RV, but built simple like a Sonex. Aerobatic (if VH), they were fairly cheap, don't know about now, and I think a two seat is in the works. Has folding wings. I was looking at one at Oshkosh'13, VERY interested... This is the prototype; 912s, 914, 915?, Corvair, 0-200, 0-233, UL, plenty of choices...
  18. pylon500
    Some Shawnee photos (by request)
  19. pylon500
    Nope, didn't work... Just went to youtube front page..
  20. pylon500
    There is a HUGE guess the airplane thread over on an R/C forum, lots of oddballs; http://www.rcgroups.com/forums/showthread.php?t=287752
  21. pylon500
    Cheyenne on a test flight; (only just uploaded this, youtube may still be stabilizing the image 13:49-13/05/16)
  22. pylon500
    Good to see it wasn't taken with a 35mm cannon on automatic....!
  23. pylon500

    VH-VRV

    pylon500 replied to gwaf's topic in Vans/RV

    Yoiu need to be careful with some rego's if you turn them upside down;
  24. pylon500
    And while the 912 does not have any form of 'impulse' magneto, you should be aware that if this condition exists (broken wires /hard to stop), then you technically have a 'live' engine. I would be very hesitant to turn a 'warm' engine in this condition.
  25. pylon500
    Getting back a little closer to the original thread, I had a read through the 2015 reports, and noticed a lot of inconsistencies, mainly in the 'Outcome' section, which didn't always seem to have anything to do with the incident? Did read that same report for the thread incident repeated on two different days? And still think there is more to the presumed fault than we are hearing.... As an aside, I often buy Bunnings and SuperCheap tools for their price, and oddly enough they either work for a good period of time (thereby thinking I've got my moneys worth), or they fail within twelve months whereupon I get them replaced for free.. Ozito routers and 240v fluro lead-lights come to mind.
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