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  1. 9

    2 Seater - solo build

    How about Thatcher CX-7 ? Spars solid riveted can be purchased and the rest are the pop rivets.... NOTE Plans are drawn after cut to fit building, must be redone in CAD in case one like to use any CAM machining. @Vig1 you beat me for seconds :D
  2. 9

    Announcing SoFIS - An Open Source EFIS

    Nice work Samuel, Have made one certified glass cockpit upgrade together with my Jr in 2018. One of non supported option was the ADS B reception, because of certified source which was prohibitive on the price side. (with no FLARM & OGN) Therefore we left some space on the left from yoke, to put...
  3. 9

    What do you think about "e-soaring"?

    Must be some kind of company culture. My Jr (25) (A and H pilot and engineer, now doing his ATPL), was interested to join. On his way back from some H training in NL at the end of 2019. he kindly asked permission to visit. Answer - not possible, so he drop the idea of possible joining :D
  4. 9

    What do you think about "e-soaring"?

    Lilium case is specific one. Big $$$ bucks invested in uncertain solution. More like gambling on future battery performance - Assuming that all is in order with aerodynamic performance of transition from vertical lift of. What is significant to me personally is the fact that they are closed for...
  5. 9

    STOL Amphibious Aircraft Using Ground Effect

    Just small correction. Roberto Ludvigovich Oros di Bartini was born in Rijeka during KundK monarchy. Father Hungarian, unmarried mother Croatian. He spent less than 3 years in Italy, Milan on Politechnica di Milano, than sent over to Soviet Union by his Italian camarads to assist in aviation...
  6. 9

    Thatcher Cx4 what do you think?

    That case with alternator can be easy fix... Key issue available stator windings are 2 x 18 A AC rated. With some longer morning cranking and you have power hungry gel battery, which is able to draw +30A DC => outcome burned winding. Limiting initial battery current is not big deal.
  7. 9

    Patriot UA - a new 5-seater composite aircraft from Ukraine

    What is target kit price without engine?
  8. 9

    Light aircraft from Russia

    Henryk, why "not satisfactioned" ?
  9. 9

    Antenna cable, RG-400

    Guess, cable located in USA? BTW good cable for GPS and transponder applications.
  10. 9

    EU any recommended source of aircraft grade Al like 6061-T6 etc.

    Hi Kent, We are building under EASA Annex 1 national rules in 9A on personal builder level. Initial building permit already issued by local CAA, with obligatory building log, entitled supervisor and inspector. We have in team one EAA member already, after all it is useful to have legal...
  11. 9

    EU any recommended source of aircraft grade Al like 6061-T6 etc.

    Just to note that CX-7 prototype now have over 40+ h Find out that may be bit tail heavy, therefore some CG changes in plans are expected. Other than that, all is good....
  12. 9

    Hack RF for ADS-B

    Here: https://github.com/cyoung/stratux
  13. 9

    EU any recommended source of aircraft grade Al like 6061-T6 etc.

    EU - any recommended source of aircraft grade Al like 6061-T6 etc. Preparing for the building of Thatcher CX-7 together with few friends. Considering about local EU sources or to procure all raw material in USA and than load in 20" and ship over to Europe. Any recommendations or known experience?
  14. 9

    Arduino altimeter & airspeed indicator

    You need to monitor your bus with independent device (storage osciloscope, logic analizer, RPI with proper interface and SW).... can be short cut on the bus too.
  15. 9

    Arduino altimeter & airspeed indicator

    CAN bus with some buffering can be the right way to integrate... after all big players in automotive and aviation are using CANbus.
  16. 9

    What do you think about "e-soaring"?

    @John Roo Martin, are you reading LinkedIn PM ?
  17. 9

    What do you think about "e-soaring"?

    3 phases 400 V / 32-50 A => For Sinj - not sure but can ask, on Brac available, may be better place for trailer too - 1 h ferry ride Split - Supetar on Hvar not on the airport but available near, on the end of the field.
  18. 9

    What do you think about "e-soaring"?

    Thank you Martin, for prompt reply. In case you like to test on Adriatic we may be able to provide some local assistance. Airports are LDSH for hot on the sea level 92 ft and LDSB 1781 ft for hot and high. https://www.crocontrol.hr/UserDocsImages/AIS%20produkti/VFR_prirucnik/index.html Regards...
  19. 9

    What do you think about "e-soaring"?

    One question for Martin @John Roo How about hot summer use on Adriatic, our island airport can reach easy near 40 C in shade? Can that battery pack and E-ngine sustain that extra heat, or flying is possible only in the morning and before the sunset? Regards Djani
  20. 9

    UL SAILPLANE - Footlaunchable, foldable

    How about Pipistrel, they may find your knowledge useful....
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