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Old Koreelah

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Everything posted by Old Koreelah

  1. Old Koreelah
    Can’t find my notes, but at least 10C reduction of CHTs and EGTs were quite even. There is no indication of when the water injection stops as I back off the power, other than a clear rise in head temps. On climb, there are three ways to keep CHTs under control: open cowl flaps, ease off power...or go full throttle!
  2. Old Koreelah
    My second version is based on a $28 windscreen washer kit. It operates only at full throttle, so I only have to top up the 4 litre tank after several take-offs. It sprays directly into the carby mouth. I’ve gradually increased the spray rate in ground testing until it’s getting more water than fuel. Still hasn’t put out the fire! After all the efforts to keep ethanol out of my fuel, I’ve been using straight rain water. Because it only operates for a minute or so at full throttle, I doubt icing will be an issue.
  3. Old Koreelah
    Instead of spending squillions importing the toys (which too quickly become obsolete) a clever country would properly invest in local education, training, research and infrastructure… so we have the people and skills to build our own weapons! The most successful nations invest heavily in educating their youth; at one stage, South Korea devoted over 14% of GNP to education. At present, Australia spends about 5%.
  4. Old Koreelah
    Australia’s few refuelling aircraft are our vulnerable point.
  5. Old Koreelah
    Fair comment. I agree there’s plenty of hypocracy among celebrities who express concern about environmental issues. We’re all living beyond our planet’s means, but few of us will cut our living standard to suit. At least you accept that dozens of Republican judges tossed out the spoiled brat’s ludicrous claims that he won. Then why are you so fascinated with the nation-wrecking antics of his disciples? FB, I definitely defer to your great aviation knowledge, but you seem to know sh1t-all about how clever politicians manipulate voter’s prejudices.
  6. Old Koreelah
    For a long time (until the mechanism broke) I had my pitot articulated to the airflow, which should have given accurate readings. I’ve toyed with the idea of installing a Reserve Lift Inducator (or AoA meter) but presumably they must be calibrated to flap position. A simple stall horn is attractive, but it also would need to refer to what the flaps are doing. If you’ve forgotten to hang out the flaps, will the horn sound in time to save you? Perhaps a more reliable stall warning is based not on AoA, but how much of the airflow over the wing is becoming turbulent.
  7. Old Koreelah
    Okey FB, I’ll bite. What evidence of senility? Biden has consistently run intellectual rings around the orange grub. Perhaps if you widen your sources of news you will discover how well Biden’s administration has done in repairing the damage done by trump and his criminals.
  8. Old Koreelah
  9. Old Koreelah
    As religions go, belief in global warming is unique in being based on science. Furthermore, the outcomes are much more real than the terrors imagined by Middle Ages monks. We are already copping it, with far, far worse to come. (As I’ve oft said) Expect boat people arriving in tens of millions and the world expecting Australia -the biggest carbon exporter- to take them in.
  10. Old Koreelah
    Missed that instruction. Mine normally gets tossed into a pocket near my right elbow. It picks up lots of distant traffic and at least one pilot saw it from 20+ nm. That directionality would require I use its suction mount- can’t see it sticking to my curved plastic canopy. Might have to find a spot on the panel, away from the compass.
  11. Old Koreelah
    Even the F-35 is a noisy bugger.
  12. Old Koreelah
    Been in Darwin for two Op Pitch Blacks. This regular exercise is an impressive gathering of neighbours from near and far. The noise! Little fighter jets are many times louder than the big transports we travel in. Second time there, I was in pit lane at Eastern Creek, surrounded by very loud racing motorcycles, but you could hear a single Sukoi or F-16 passing miles away.
  13. Old Koreelah
    Your post resonated with me, P&P. Elsewhere in this forum is a debate about qualities of Australian timbers. My ears pricked up because my dad came from a family heavily into the management of our timber resources, although he joined the ranks of those dairy farmers who cleared our best forests. As posted by others, Australia developed massive expertise in the qualities of our timbers, but much of that has been lost. Members of my dad’s family certainly contributed to recording much knowledge, but they’ve have taken their experience with them.
  14. Old Koreelah
    I was glad to discover that the most important parts of my Jodel were glued together with resorcinol by builders with far more skill and precision than I can muster- which is the only way to use it. The extra, less critical bits I’ve attached with epoxy, well-braced and bolted.
  15. Old Koreelah
    Looks nice: https://en.wikipedia.org/wiki/InterPlane_Skyboy
  16. Old Koreelah
    ’ve got a quite a collection of them; all have failed, even the $150 one.
  17. Old Koreelah
    I like it, Derek. What brand? Where to buy them? How long do batteries last? Totally underwhelmed by my GoPro, waste too much time on it.
  18. Old Koreelah
    The two most popular apps (OzRunways and AvPlan) seem to do the job quite adequately on an iPad. Search this site to find other discussions about which model iPad (or other brand tablet) is best. The consensus seems to be you need a built-GPS (so not a wifi-only model) and plenty of memory. Be aware that your device may someday fail you (it might overheat if in the sun, battery could run low) so a backup plan is prudent.
  19. Old Koreelah
    Sorry I’ll be missing it. Travelling (if I can get the hang of my new hip in time).
  20. Old Koreelah
    Bruce I’d hasten slowly with these vents. It’s too easy to bugger up a functional vent, and the drag difference might be bugger all. (I’m more concerned at the risk of vent location to your eyes). I fluked a good setup with my first (thin vinyl hoses to top of wingtips, with lots of tiny vent holes drilled thru. The vortex airflow suited the vent site. Years later, trying to improve streamlining, put in larger vent hoses, exiting just under wing tip. They caused no end of problem, until it was pointed out me that the vortexes were sucking air out of the tank.
  21. Old Koreelah
    Glen I’m sure they’re great, but history is full of exceptions to the NO WAY rule. One of those exceptional scenarios is if I land on a draggy surface like a thick crop. If the mains dig in she tips over. That delivers a large hydraulic pulse load to that O ring. That one reason my tank vents are large bore, and take leaking fuel to wingtips.
  22. Old Koreelah
    Relying on that big O ring to keep your fuel cap on seems dodgy. I’ve got an extra layer of security: a strong metal bar that hinges over the cap.
  23. Old Koreelah
    Like this one, Nev?
  24. Old Koreelah
    In your line of sight is ideal, perhaps some sort of HUD. My preference is for a Reserve Lift Indicator like so many STOL people use.
  25. Old Koreelah
    Crickey Spacey, tell us more. I once read a story about a DC-3 being stranded somewhere (possibly China, during WWII) with a damaged wing. A wrecked DC-2 was canibalised and its smaller wing fitted as a replacement to fly them out.
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