BBerson's Recent Activity

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  1. BBerson replied to the thread EAA video: members only?.

    EAA has a large membership because it is mostly focused on GA. The Experimenter portion of the magazine is only two pages.

    Jun 18, 2019 at 4:55 PM
  2. BBerson replied to the thread Decalage angle.

    The Skyboy fuselage is much lower below the wing.

    Jun 18, 2019 at 4:49 PM
  3. BBerson replied to the thread Wing weight.

    Is that homemade "U" section compression members? Hat section might be much better.

    Jun 18, 2019 at 3:50 PM
  4. BBerson replied to the thread The future in an aircraft charging system.

    And a generator.

    Jun 18, 2019 at 4:18 AM
  5. BBerson replied to the thread Measuring engine torque.

    That Tach Chek isn't much use. You need another tach to get within 100 rpm to start with. It isn't a tach for use alone. Just for...

    Jun 18, 2019 at 2:49 AM
  6. BBerson replied to the thread Electrical system generators..

    Nope. The ignition magnet is on the outside of the flywheel. The generator magnets are on the inside of the flywheel.

    Jun 18, 2019 at 2:13 AM
  7. BBerson replied to the thread Keeping My Cool ....

    I remember that Popular Science article about the "air" AC unit. What about thermoelectric cool plates sewn into a vest? Or a cheap 12v...

    Jun 18, 2019 at 12:37 AM
  8. BBerson replied to the thread Prop design software/books.

    I haven't talked to Quentin in over ten years and he was 90 then. I doubt he is still around now. He helped me with helicopter rotor...

    Jun 18, 2019 at 12:04 AM
  9. BBerson liked plncraze's post in the thread Prop design software/books.

    BBerson, do you know him? If so thank him for his prop article that has the David Taylor Basin stuff. Real good stuff!

    Jun 18, 2019 at 12:01 AM
  10. BBerson replied to the thread Electrical system generators..

    Two amps is enough. Or whatever it takes to run a stock VW distributor ignition and one GPS.

    Jun 17, 2019 at 10:38 PM
  11. BBerson replied to the thread Prop design software/books.

    Quentin Wald lives here. He also wrote a book about the Wright Flyer's stability. His father flew for the Wrights.

    Jun 17, 2019 at 10:33 PM
  12. BBerson replied to the thread EAA video: members only?.

    I would think an online only membership option for $20 would get more members.

    Jun 17, 2019 at 10:14 PM
  13. BBerson replied to the thread true 4 seater amphibious pusher plans.

    Two engines bolted together doesn't require a twin rating. Two engines at reduced power isn't double the fuel consumption.

    Jun 17, 2019 at 9:08 PM
  14. BBerson replied to the thread Icon A5 Update - No Deliveries!?!.

    Dan Johnson has some 2019 data here:...

    Jun 17, 2019 at 8:58 PM
  15. BBerson replied to the thread Raptor Composite Aircraft.

    Making " something else" lighter assumes you didn't already get it as light as possible. I am starting all the major parts at the same...

    Jun 17, 2019 at 8:46 PM
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