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  1. H

    Is electric propulsion worth it?

    http://www.sebastiankawa.pl/13178/instrukcja-do-fali/ +some theory...
  2. H

    Water Injection for Industrial V-Twins

    =in my old AX1.5D (400 000 km) water steam (produced on hot autput) mixed with air work wery well (like turbo!) ...<4 l/100 km, bigger momentum and Vmax. =summary cost of my instalation <10 $ !
  3. H

    How to make a propeller driven aircraft go really fast ?

    http://www.prospective-concepts.ch/html/projekte/kaenguruh/01.htm http://www.prospective-concepts.ch/pdf/projekte/kaenguruh_en.pdf http://www.prospective-concepts.ch/html/site_en.htm
  4. H

    What do you think about "e-soaring"?

    2 kG/kW =not bad !
  5. H

    What do you think about "e-soaring"?

    <7 kG thrust...! (30 HP , 70 kG thrust)
  6. H

    What do you think about "e-soaring"?

    -normally ducted fans have big specific surface loading ( kG/ m^2) and small energy efficiancy =low specific thrust (kG/kW) -foldable big propeller is moore effective ...
  7. H

    What do you think about "e-soaring"?

    =I have in minde Solar energy which warm auer atmosphere=in 1 m^3 of calm air we have 150 kJ KINETIC energy =0.5 *1.3*500 ^2
  8. H

    What do you think about "e-soaring"?

    =thermonuclear syntezis ,from Sun ! BTW= dtart/stop system should be based on FLYWHEEL energy, not electrical... =allmost 100 % recuperation.
  9. H

    What do you think about "e-soaring"?

    + high economy thanks START/STOP regime...?
  10. H

    What do you think about "e-soaring"?

    =III-rd World War ,terrible !!!
  11. H

    Moyes tempest electric conversion

    -another solution= CRFLIGHT modyfied, with big hole motor ... =reduction ratio= 2 : +/- 1 ... https://www.crflight.com/news/ (LEM200 + R/L 1.3 m CR propellers )
  12. H

    What do you think about "e-soaring"?

    =yes...IHMO https://cleantechnica.com/2020/01/29/rolls-royce-claims-its-latest-electric-airplane-battery-has-the-highest-energy-density/
  13. H

    What do you think about "e-soaring"?

    "The ACCEL battery has a specific energy of 165 watt-hours per kilogram, " <200 Wh/kg ! https://cleantechnica.com/files/2020/01/Rolls-Royce-electric-airplane-chart.jpg
  14. H

    Moyes tempest electric conversion

    =Differential CR gear not much complicated,but more compact and efficiant (circa + 30 % ) BTW= reduction ratio circa 3: +/- 1... f.e. RPM= 6000 L / 2000 L/ 2000 R https://kasperwing.com/kasperwing-poland/
  15. H

    What do you think about "e-soaring"?

    =BUTYFULL+ NOISLESS ! congratulationes...
  16. H

    Cascade Ultralights Kasperwing

    Klingberg Wing have similar composition=
  17. H

    Cascade Ultralights Kasperwing

    =KLINGBERG wing... -Who remembers Jan Wnek wing " LOTA" ? 1866-69 !!! https://pl.wikipedia.org/wiki/Jan_Wn%C4%99k http://www.rarpress.com/en/article/jan-wnek-first-aviator
  18. H

    Flying wing as cheap and simple option for basic fun flying.

    =KASPERWING yes, but its prototypes (BKB1-A and BEKAS1-A) have minimal surface fins= http://www.samolotypolskie.pl/samoloty/1468/126/BEKAS-N
  19. H

    Raptor Composite Aircraft

    https://flightaware.com/live/flight/N352TD/history/20201007/1811Z/KVLD/L%2030.78888%20-83.27219/tracklog
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