Jay Kempf's Recent Activity

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  1. Jay Kempf replied to the thread Simple pusher pseudo-jet.

    There was something called Alphjet a while back. Can't find much info anymore. 2 seat side by side little jet.

    Feb 21, 2020 at 4:26 PM
  2. Jay Kempf replied to the thread Simple pusher pseudo-jet.

    That's the resurrected Sadler Vampire. Not sure the status of the company.

    Feb 21, 2020 at 3:24 PM
  3. Jay Kempf replied to the thread Simple pusher pseudo-jet.

    Taller gear...?

    Feb 21, 2020 at 2:54 PM
  4. Jay Kempf replied to the thread Eviation Alice prototype fire.

    Having an unshrowded prop at a wingtip needs to be tested. The wings on this thing sag under the weight of the tip nacelles. Not hard to...

    Feb 19, 2020 at 6:33 PM
  5. Jay Kempf replied to the thread Offshore composites.

    Carbon UNI fabric choices? Anyone have a good source for full width carbon uni cloth like 1 meter wide or better. I used to buy this...

    Feb 19, 2020 at 2:50 PM
  6. Jay Kempf replied to the thread Eviation Alice prototype fire.

    They have some sort of balancing system and emergency cutoff for the tip rotors. Not sure the drag benefit thing has ever been proven in...

    Feb 19, 2020 at 1:48 PM
  7. Jay Kempf replied to the thread Tinbuzard - One off design.

    Finally! So glad you're back. Someone needs to compete with Shannon for the making us all look bad prize. Gawd I would love to see it...

    Feb 19, 2020 at 1:01 AM
  8. Jay Kempf replied to the thread Wanted JC Propeller Design Software.

    Does anyone have contact information for anyone in Jan's family? I do believe that Jan's software allowed output to files that could go...

    Feb 17, 2020 at 6:20 PM
  9. Jay Kempf replied to the thread Seeing Thermals.

    But that is intuitive and obvious when thermaling. No instruments necessary. That tip goes up it is closer to the lift. Turn into it. QED.

    Feb 17, 2020 at 12:05 AM
  10. Jay Kempf replied to the thread Wanted JC Propeller Design Software.

    I would very much like to have a copy of this software as well. Willing to host it and continue development.

    Feb 16, 2020
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