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  1. Wake vortices descend at 300fpm or more, and they...

  2. Maybe I'm too low to allow the vortices to form....

  3. To get back to Dewey, You do have to check these...

  4. Thread: 50 years ago

    by Skywalker
    Replies
    28
    Views
    1,674

    I was an eighth grader with my family on our...

    I was an eighth grader with my family on our first big cross country trip to Colorado and California. We stopped at a KOA kampground that had been set up in a Kansas field. That night every single...
  5. Replies
    6
    Views
    1,045

    Mont Blanc landing

    YouTube "ascension mont blanc 3D" shows a nice inclined spot at 4400m, where all reports put the landing. Anyone heard what they used? Two Swiss guys would use a Porter, right? They'll have to...
  6. Replies
    9
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    1,266

    Wave soldered epoxy-glass board with solid state...

    Wave soldered epoxy-glass board with solid state components vs. bags of goop. Ill take the board. My battery is behind the firewall, so im waiting for cylindrical cells. I put a lipo model plane...
  7. Thread: New Kit???

    by Skywalker
    Replies
    21
    Views
    7,309

    This is loosening up some memories. As a kid I...

    This is loosening up some memories. As a kid I would sneak out to an old caboose in the woods and climb up to the observation seats, widely spaced with the aisle between and below. You could pretend...
  8. Most O-200 were put in small nosedraggers(short...

    Most O-200 were put in small nosedraggers(short prop) so they need a cam to swing a decent prop. I see the O-235 likes 2800 rpm, same story? Is there a cam available?
  9. Replies
    35
    Views
    3,333

    So true, ethanol from corn is not a source of...

    So true, ethanol from corn is not a source of energy, it's a wash when you consider the inputs. Ethanol from cane is what Brazil was doing in the late seventies when they didn't have the cash to...
  10. Replies
    67
    Views
    3,566

    Peter, I have used Whirlwind, Ivo and PowerFin...

    Peter, I have used Whirlwind, Ivo and PowerFin cored glass props, but when I picked up a Warp blade it had to be twice the weight, it was so obvious. No void at all, no air, foam, just solid,...
  11. Replies
    67
    Views
    3,566

    The WarpDrive propeller is solid fiber, no foam...

    The WarpDrive propeller is solid fiber, no foam core. The blades are like baseball bats. No so good for geared engines, but if you had to hand prop a composite on a conventional engine, Warp would...
  12. Replies
    338
    Views
    40,317

    On Saturday I went down the lake from Shelburne...

    On Saturday I went down the lake from Shelburne to Benson, not a single shanty, the red fabric shelters are everywhere. I used to run down snowmobiles with my ski Champ in the eighties, sometimes it...
  13. Replies
    38
    Views
    5,972

    Hipec is single part moisture cure silver...

    Hipec is single part moisture cure silver urethane paint, which is, I swear, identical to Trailer-Cote silver paint. I did a biplane with it in 1990, haven't been back. The tapes take forever to...
  14. Replies
    58
    Views
    5,918

    Smoke detectors work by either a change in...

    Smoke detectors work by either a change in ionization or light thru the smoke. CO detectors are chemical, just like the brown dot types. They do quite well lasting as long as they do.
  15. Replies
    41
    Views
    4,171

    15db means you've halved the acoustic power 5...

    15db means you've halved the acoustic power 5 times. So you're down to 3% of the previous noise. Ears have AGC so it may not seem that way. A noise app uses your uncalibrated smartphone mic, but...
  16. Replies
    72
    Views
    7,810

    I started on a hang glider, but the most scared...

    I started on a hang glider, but the most scared I've ever been was on a Hobie 16. All three of us were trying to stand on the windward rudder gudgeon, because Hobies like to pitchpole when you pour...
  17. Replies
    7
    Views
    1,355

    Since when are cubesat hard to track? Plenty...

    Since when are cubesat hard to track? Plenty have gone up. A pilot in my glider club sent one up.
  18. Replies
    55
    Views
    9,629

    There is a temperature correction that should be...

    There is a temperature correction that should be applied when floating at lo temperatures. For 12v nominal batteries it is between .018V to .030V per degree C, depending on vendor. That's a full...
  19. My typical auto store 2/10/55 charger on the 2A...

    My typical auto store 2/10/55 charger on the 2A setting takes my fully charged PC680 from 13.02 to 15.5V in 15 seconds. The label on my PC680 says 14.8 max. AGMs should be on Tenders.
  20. The 10 amp setting on my cheapo Century charger...

    The 10 amp setting on my cheapo Century charger will run right over 15v on a small batt, I only use smart wall blobs on small agms.
  21. The PC680 manual warns against going over 15.0v,...

    The PC680 manual warns against going over 15.0v, most AGM's chemistry can't take it. I put a sticker on my typical 2/10/50 amp charger: no agm's!
  22. Replies
    367
    Views
    51,053

    39969Glen, so these were both on Summits? ...

    39969Glen, so these were both on Summits? Quitcher bitchin, everyone, winter is kool. These two guys were in a good mood that day.
  23. Replies
    3
    Views
    643

    I just went with a Dynon box but couldn't help...

    I just went with a Dynon box but couldn't help put a pair of 3" Winters at the top just in case. As a placeholder I put in a Falcon VSI which won't center. A Falcon altimeter in my last machine...
  24. Gramp's 73 Buick was hit by an early Civic. He...

    Gramp's 73 Buick was hit by an early Civic. He wondered if the Civic would be totaled, but he didn't even go to a shop, and Grandma was particular. Anyway I've removed the instrument cluster from 3...
  25. Replies
    75
    Views
    12,194

    I fly both side and center sticks and I'm fine as...

    I fly both side and center sticks and I'm fine as long as the throttle is on the left, apparently. Didn't realize it might be an objection until Paul mentioned it. But why?

    Love the visibility,...
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