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rodgerc

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Everything posted by rodgerc

  1. rodgerc
    3,232 as of 26 January 2024
  2. rodgerc
    They become unsecured creditors and wait in line with all the other creditors for a refund.
  3. rodgerc
    The Oxford Reference Dictionary’s entry for “Legend”: A traditional story sometimes popularly regarded as historical but not authenticated. On that basis he likely qualifies, although I’m now going to look up “Popularly”. Move along please folks, there’s nothing to see here.
  4. rodgerc
    JG3 is active on this forum
  5. rodgerc
    Just reread my post and realised I used 790N instead of 700N….Despite the error, the outcome remains the same.
  6. rodgerc
    If it were me, I’d initially keep life simple by sticking with all 22001 dimensions except the OD. Some (very) basic stuff assuming a 70kg engine and prop combo….Call it 700 Newtons for simplicity. Original mount net area 790mm^2 x 4off = 3,160mm^2. Compressive stress = 790N/3,160mm^2 = 250kPa With a 1-1/2” OD the total bearing area increases to 4,216mm^2 or 33% more. So compressive stress decreases to 790N/4,216mm^2 = 187kPa. By implication, the compressive strain on the mounts will also be decreased by about 1/3 and along the way, you’ll have increased the surface area to dissipate all that vibration (kinetic energy) heat into the aluminium mounting rails. Naturally, the back-up washers will also need to be increased in diameter. It’s pretty easy to cast urethane and there’s a bunch of videos on YouTube showing people doing it at home….Search “casting polyurethane bushings” and pour yourself a drink. If you’re still unsure of your ability (it’s easy) then pop over to 33 Holloway Dr Bayswater and talk to Melbourne Polyurethane.
  7. rodgerc
    Would you be able to crib an extra 1/4” on the diameter of the mount? (I.e. Dimension A) If yes, then personally I’d try that by having a custom set cast in 80A durometer PUR before switching to a stiffer (higher modulus) compound….It would improve the vibration dampening characteristics of the engine mount. When comparing the dimensions of the 22001 rubber components with the Lord mounts used on a (albeit considerably heavier) Conti 0-200, it does seem to be rather a big ask.
  8. rodgerc
    I’d be inclined to look at a larger mount rather than a stiffer compound. Simply on the basis of force/area = pressure. (Stress) For information only, the (during construction) pics below are the RANS bed-mount installation in my Raven. After ~90h flying over 18 months they are standing up very well with no noticeable compression set/sag. I suspect they are natural rubber of around 80A durometer.
  9. rodgerc
    For what it’s worth, my AeroVee powered Waiex’s engine mounts were replaced at every annual, because after a year and 25-35h flying they were pretty well shot. I suspect they were EPDM of around Shore A, 80 hardness. Given thermoset urethane is readily available and easy to cast in a silicone mould, have you considered casting your own larger mounts from polyurethane to spread the load?
  10. rodgerc
    I can see the threshold of an airport from my front door where hangars cost 6 times more than the one that I drive 1 hour to/from at least once a week. Happy to drive.
  11. rodgerc
    Well that little indulgence will account for at least $5 of the next levied fee increase for each and every member of RA-Aus.
  12. rodgerc
    Jump forward 7 months and 40+hours of flight time and the 350-400 RPM mag drop issue reappeared a few weeks ago. Perhaps it was not the trigger coil gaps but rather the possibility that back in April, the weather had cooled sufficiently for a marginal ignition module to stop misbehaving. For the past couple of hot and sweaty weeks in SE Qld my 350-400 RPM mag drop has occurred, but only after ~10 minutes of taxiing. Long story short, a set of Mark Kyle’s aftermarket ignition modules has “fixed” the issue. It’s only a hypothesis, but perhaps when the “faulty” module reached a certain operating temperature, it would revert to the Rotax retarded “soft start” timing and thus, when selecting that module only for a mag check, the engine dropped 350-400 RPM in protest to retarded timing. Did somebody just mutter, “correlation does not imply causation”?
  13. rodgerc
    Try emailing Mark Mendick from Avid Aircraft in Iowa USA. [email protected]
  14. rodgerc
    No….The Waiex was a decade ago. It was insured with QBE via SAAA because it was VH- reg. The current RA-Aus reg plane is via InsuranceHouse. Until a claim is made you’ll never know if your insurer is any good.
  15. rodgerc
    Who you are insured with? InsuranceHouse. Are you as happy as can be ? Yes, with the caveat that having insured a number of aircraft for around 12 years I’ve never made a claim. Would you recommend them? Yes, subject to the above caveat. Any that you would not recommend? QBE via SAAA. The turf wars between SAAA and RA-Aus meant that despite being a SAAA member for >12 years, being a >500h GA pilot with numerous ratings and endorsements and building via the SAAA’s process of TC inspections using their risk radar, they would not insure my latest build because I chose to register it with RA-Aus. (I’m no longer a SAAA member.)
  16. rodgerc
    Sigh….Too many cats, not enough recipes. (That should elicit some reaction)
  17. rodgerc
    Another option
  18. rodgerc
    Here’s the one I used for the 3-1/2 minutes it takes to complete the job on Matco brakes. You’re welcome to borrow it to save $20
  19. rodgerc
    Based on my 45 year manufacturing industry corporate career, when it comes to strategic myopia, we in Oz can teach the USA a thing or two.
  20. rodgerc
    https://www.vansaircraft.com/2023/10/business-announcement-from-vans-founder-dick-vangrunsven/
  21. rodgerc
    Despite the world tensions and gloom, there’s so much to be thankful for living in Oz. So here’s a bunch of pics from this morning’s jaunt around Moreton Bay in our RANS S-20 Raven. Hope they bring you some joy.
  22. rodgerc
    No sorry, don’t recall but I’ve used them on #10 gauge pan head St/steel screws to secure my spinner to its backing plate. (The airplane is hangared an hour from here)
  23. rodgerc
    Try Jaycar
  24. rodgerc
    There will be plenty left for you to do Mark….As with most (all?) kits, the time to build is typically 2 to 3 times longer than that claimed by the supplier. Put another way, if you believe the supplier’s build time estimate, then you’ll likely believe their claimed empty weight too. Got to go now, there’s someone at the door offering to sell me a bridge in Sydney harbour and an island south of Victoria for a price to cheap to refuse.
  25. rodgerc
    Hola!
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