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  1. 8davebarker

    Gas turbine help

    Is there anyone on Homebuilt Airplanes fluent in gas turbine technology? I have a radial compression turbine design in Solidworks. (Very high compression with no leaks.) I am moving from the “unbridle enthusiasm“ to the “cautious optimism” phase of the project and would love to pick the brains...
  2. 8davebarker

    New engine , 120 hp , 80 pounds

  3. 8davebarker

    NH3 hydrogen storage for aircraft

    Small lightweight catalytic conversion of ammonia to hydrogen for fuel cells or ICE now less expensive than avgas. ( Note BIG file. Lost of images)
  4. 8davebarker

    Panel switch/ circuit breaker recommendations

    Does any have a recommendation for a combination panel toggle switch/ circuit breaker similar to those used in house wiring breaker panels.? Something small and compact suitable for a small crowed aircraft panel
  5. 8davebarker

    Parts For Sale Miniature radiators (New)

    New Miniature radiators 3” x4” x 1-1/2” core. Perfect for lab fluid cooling, cabin heating for automotive or aircraft* $20 ea or $160 for lot of 11 radiators. 1/4” NTP female in/out ports. New Matching 3” /12volt DC brushless fan $5 ea. Lot of 6 fans. *aircraft with liquid cooled engines
  6. 8davebarker

    Parts For Sale Cessna style yokes $40 for the pair

    Cessna style (150) yokes $40 for the pair. contact 8Davebarker 805 681 1289
  7. 8davebarker

    20 Corvair engines available

    Former collector of Chevy Corvairs has approximately 20 Corvairs available for salvage, they have been stored outside for a couple of decades. Cars are located in Santa Barbara, CA . Contact S. Thrush phone 206 304 6650
  8. 8davebarker

    Airplane For Sale Deal of the century lifting body aircraft

    https://www.ebay.com/itm/154540838122 185 Madza rotary with Tracy Crooks PSRU lifting body aircraft
  9. 8davebarker

    Aircraft Deal of the Century

    Aircraft Deal of the century 95% complete delta wing aircraft project Design is modification of the Facetmobile, Dyke Delta, and Gtex 19’ wingspan, 19’ long, 6’ high Seats 4 in single row on the CG Entry via walk up from back of wing Construction 4130 tube, 1” foam / fiberglass /Lexan skin 185...
  10. 8davebarker

    Left turning prop for a Tracy Crooks PDRU wanted

    Looking for left turning prop to be used on a Tracy Crooks PDRU/Mazda 13b combo contact : [email protected]
  11. 8davebarker

    Front mounted rudder??

    Has anyone ever done a front mounted rudder? ( I.e. a rudder enclosing the steerable nose wheel.) And additional vertical fin above and or below the and behind the CG would provide lateral stability. The front mounted rudder might be smaller and greatly simplifies mechanical linkage as they...
  12. 8davebarker

    13b rotary engine controllers. What are people using?

    I recently had a major catastrophe. An accidental short circuit maimed the processor chips on my Tracy Crooks EC2 engine controller.They are out of business and I am looking for a replacement device. The engine is a Madza 13b rotary. Does anyone know of an EC2 controller anywhere? and or...
  13. 8davebarker

    EM2 Tracy crooks engine monitor display / software

    Is their anyone out there with information on the Tracy Crooks EM2 engine monitor display/ software etc.? I would be grateful for any bits of information you can provide. Photo below Dave Barker
  14. 8davebarker

    Tracy Crooks EC2 Engine controller Display wanted

    EC2 Display unit and or software program wanted. Does anyone know of a Tracy Crooks EC2 rotary engine controller panel display unit. i would appreciate any information on this device. Dave Barker
  15. 8davebarker

    LH test prop wanted

    I am looking for a test prop to be used on a Tracy Crooks PSRU /Madaz 13b rotary engine. Beg,borrow or rent for about a month. Tractor configuration. LH rotation as viewed from cockpit. Does not have to be airworthy. Please contact : [email protected]
  16. 8davebarker

    Jet thrust force coupling of expanding gas to airframe

    > I want to build a counter-flow heat exchanger radiator (aka the P-51) radiator that is reputed to provide enough thrust to compensate for the nacelle drag. > I have a simple but perhaps naive question. In a ramjet base design, how is the force of the heated expanding gas mechanically couple...
  17. 8davebarker

    Tracy Crooks EM2 display unit for use with the EC2 engine control unit

  18. 8davebarker

    Madza 13b setup with Tracy Crooks EC2 controller help

    I need some help regarding the sync of the Madza 13b vs the shaft angle position sensors. The documentation for the Tracy Crooks EC2 controller shows the sensor at a 4:30 position with the blank rotor tooth at TDC . The engine I purchased has two sensors. A backup sensor at 3:00 and a primary...
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