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IBob

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About IBob

  • Rank
    Well-known member
  • Birthday 22/04/1948

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  • Aircraft
    Savannah S
  • Location
    Wairarapa
  • Country
    New Zealand

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  1. Funny you should mention that, M61A1. This thread prompted me today to do what I've been meaning to do for a while now: set up a spreadsheet and button in a whole range of W & B scenarios for my aircraft.
  2. It's a great idea, O K, but probably near impossible to get certified: Even assuming the loadcell arrangement could be designed to remain sufficiently accurate, the thing would then have to be correctly configured for the layout of the aircraft. I would have added 'and used only on a horizontal flat surface' but we have the technology nowadays to correct for lean...though that's all more stuff to go wrong.
  3. "Say what!!??? Where's my razor!! " It actually wasn't his: he was just so good at wielding it, it got labelled with his name..........
  4. Wait....no.....here's the problem: icing!!!
  5. And Thruster88 gets the ceeegar..........)
  6. "Did you question your assumption?" No, I didn't. Partly because of the way the scenario was phrased: "The arrow of the ASI points directly at your desired value." When clearly, according to you, it does not. And partly because I am very aware of the RPM of the engine, and find it hard to imagine a pilot would just lock the throttle and take no further notice. Maybe it depends on what sort of flying one does...........
  7. In fairness, OME, you said: "RPM set to 75% cruise power." and "The arrow of the ASI points directly at your desired value." I assumed from your scenario that was also the case 30minutes later, since I can't imagine any pilot would set and forget the throttle. Would they? Clearly, if ground speed is less than expected, then either the air speed is down, or there is some wind situation impacting the ground speed. Your scenario implied (to me) that the air speed was not down. Perhaps that was why the responses were not as you had expected?
  8. Okay, here's an easy one: An aerial wildlife survey, undertaken in nil wind conditions, and which located a bear and several colonies of birds, where the pilot flew due east for 30 minutes, north for an hour, then south for an hour, returning to base. What colour was the bear?
  9. The C185 has two dinky little air scoops high on the fuse just forward of the stabiliser. I've read that these are positioned to avoid exhaust fumes while providing a slight positive pressure in the fuse, so reducing or preventing the ingress of fumes from the noisy end. A similar thing happens with (some) microlights in summer, where the round ventilators in the doors are set as cooling air scoops with the result that the cockpit is pressurised. Unfortunately, with the vents in winter setting, the reverse may be the case.
  10. Another hard reality of the candidate selection process is that if the system can be bent in various ways...money, influence, etc...then it will be. The risk then is that one ends up with a pool of candidates whose history and background won't stand up to the light of day and public scrutiny. There is an old 'joke', a put down of of people from a rival town or country, that goes like this: Q. Why will the Second Coming not take place in (insert town or country here). A. Because they couldn't find a virgin and 3 wise men. I suspect the little filtered pool of l
  11. One potential weakness in any governance system is how it goes about choosing it's leadership candidates. The practical reality we have at present, even in a very simple systems like NZ, is that candidates must embrace and a pursue a career as politicians in order to be nominated. This effectively screens or filters out almost of the populace, leaving us with a very small pool of individuals. While I don't pretend to have a clear understanding of the US electoral system, I would suggest that the screening there is far more demanding in various ways, with large amounts of money fu
  12. You may want to look at slope in runway vs landing distances, if that's relevant in your part of the world?
  13. Ah thanks Ian and Red: couldn't see it for looking! Bob
  14. That may be so in your aircraft, Yenn, but I can assure you it's not so in the Savannah, where the alternator remains connected to the rectifier/regulator, which remains connected to the battery. What the Master switch does in the Sav is make/break the DC connection to all loads except the battery.
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