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Keenaviator

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  1. Keenaviator

    160 or 170 jab

    Keenaviator replied to Russ's topic in Jabiru

    Depends on the relationship of parasitic drag to induced drag. At any given speed and load a long wing will have less induced drag than a shorter wing but more parasitic drag and vice versa. Laurie
  2. Keenaviator
    The beauty of the paraglider is that a lot of the important skills can by maintained by 'ground handling'. As with any flying I think it's important to regularly maintain your skills (that's what I tell my wife anyway!!). Not many paramotor pilots bother trying to thermal. I've heard of much older people continuing to fly paragliders but sticking mainly to nice laminar coastal air. PM me Phil if you are interested in having a phone yack in relation to this subject before we get growled at for thread drift! Laurie
  3. Keenaviator
    I would agree that using a foot launched powered paraglider would require a certain amount of athleticism. I have several paragliding (not powered) mates in their 60's and not especially athletic but having developed and maintained the required skills, they are continuing to safely enjoy their flying. Regards, Laurie
  4. Keenaviator
    Crikey, not a Jabiru engine failure, but a Rotax! Crikey!
  5. Keenaviator
    A paraglider is pretty easy to learn but there's plenty of challenge if you want to fly it well - especially cross country. Laurie
  6. Keenaviator
    No fatalies ever, that's amazing. I believe there was a saying about the Pipe Cub, that it was so safe it was only barely capable of killing you or words to that effect.
  7. Keenaviator
    Jabiru UL450 Niviuk Artik 3 M, Paraglider for cross country Niviuk Hook M, Paraglider for the coast Niviuk Zion 19 for stronger wind on the coast Honda CRF230 rec registered for dirt riding Suzuki GSX1250FA for the road
  8. Keenaviator
    Probably the stuff they build the aircraft with, an aroldite product. Some time ago I did some tests strips of glass with 'bote cote' the resin soaking in jars of mogas and avgas for well over 12 months. The glass reinforced with 'bote cote' appeared to be unaffected. I used it to secure the fuel cap insert in my Starlet fuel tank and it is still going strong. Laurie
  9. Keenaviator
    Apparently Jabiru are recommending that if we use mogas, stick with 95 which doesn't have as much of the aromatics which are believed to be responsible to damaging Jabiru fuel tanks. I've just sloshed my with 'Creme' which is supposed to be resistant to even ethanol blends, not that I will be testing it knowingly. Laurie
  10. Keenaviator
    Thanks Andy, I could have put it better. There is a middle ground and in Victoria that is not to exceed the prescribed content ( full licence holders in private cars and motorcycles 0.05 grams of alcohol per 28 litres of exhaled air). Regarding the decision to drive, that should be made before the drinking. I think we haves drifted a bit off thread! Cheers Laurie
  11. Keenaviator
    That's interesting Dave. Where is it said you are safe below 0.05%? It's pretty simple really; if you decide to drink then also decide not to drive. If your aircraft's stall speed is 50 then is it safe at 49 or 51 for that matter? Regards, Laurie.
  12. Keenaviator
    Looking very nice Mike. Hope to catch up when my project is finished and proven. Regards, Laurie.
  13. Keenaviator
    Done Laurie
  14. Keenaviator
    Sorry Phil but if you are suggesting the 'powerful rotational force' is caused by prop wash, you are wrong. I fly hang gliders and paragliders (no engine or prop) and these can produce very strong 'rotational wash', also known as wing tip vortices. These vortices are caused by spanwise flow of air along the wing from root to tip. When it leaves the wing tip it does so in a spiral a bit like water going down the plug hole of a bath tub. If you fly in these vortices you may experience a strong rolling force which may cause your aircraft to roll substantially. If conditions are very still these vortices can hang around for quite a while before they dissipate. This is why it is advisable not to land too close behind another aircraft.
  15. Keenaviator
    Or Tyabb or Latrobe Valley where both RAA and GA operations are covered. No wasted time on the ground either.
  16. Keenaviator
    He may actually want to got places by air!
  17. Keenaviator
    I had the ICA-200 in the Starlet and it performed faultlessly and still is as far as I know. I bought this radio from a mate who was upgrading to an ICA-210 in his Jabbie. It worked well and had its own intercom built in therefore was better for the 2 seater. I believe it slid straight into the same cradle as the 200. Laurie
  18. Keenaviator
    http://www.aircraftspruce.com/categories/aircraft_parts/ap/menus/ep/oilfilters.html
  19. Keenaviator
    Get an Icom panel mount and you won't look back. My two bob's worth Laurie
  20. Keenaviator
    No Steve, working at Morwell Courts. BTW I just tried calling you on skype. The march out and graduation, that brings back memories!
  21. Keenaviator
    Sounds like a plan.
  22. Keenaviator
    The build has slowed somewhat since I returned to work :( but that's life and makes you appreciate the toys a whole lot more. I'm about to paint it and once that is done the final assemble won't take long. I also need to get the registration organised but don't envisage too much trouble there considering it's a recognised aircraft. I reckon you and Fr John will have 10 knots on me in cruise - I suppose I'll just have to blast off a bit earlier than you blokes.
  23. Keenaviator
    Don't be bullied Steve. Regards, Laurie
  24. Keenaviator
    It's about time someone referred to the so called 'wake turbulence' by its correct term - wing tip vortices. Thrust has nothing to do with it and the power of these vortices should not be underestimated.
  25. Keenaviator
    I was thinking the tractor arrangement would work well for c/g. The prop arc of many twins seems close to the cabin.
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