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Touring Motorgliders: Versatility in Action
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Touring Motorgliders: Versatility in Action


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Presentation at SSA 2012 by Richard Perl and Miek Haisten of

Presentation at SSA 2012 by Richard Perl and Miek Haisten of

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  • 1. • Presenters: – Richard Pearl, CFIG – Michael Haisten, A&P/IA• What is a TMG?• Legal Issues• The Fleet• Geography• Mechanical Issues• What’s new with the TMGA?
  • 2. What is a TMG YES Close, but No
  • 3. Why TMGs:• Combine soaring and travel• Fly even when soaring not an option• Forget the tow-plane• Carry passengers (most TMGs)• Fly further; no land outs or retrieves• Medical self-certification
  • 4. TMG IssuesLegal: • It’s a Glider, so you need a GLIDER rating • AC 61-94 –With a power rating (ground instruction, 3 flights) –Without a power rating (5 hours in TMGs, dual X-C, 10 T.O./Landings; need lots more……….
  • 5. TMG Issues (cont’d Additional training; endorsement required – Airspace, communications, weath er Additional complexity – engines, equipment Storage: tie-down or hangar
  • 6. Classic TMGs (< 1980) Fournier RF4DSuper Falke Fournier RF5D Eisenbahn-Fliegen
  • 7. Classic TMGs (cont’d)ASK 14 Ryson Schibe 34 MotorFalke
  • 8. Early Modern (1980 ‘s)Grob 109 BlanikVivatHK Dimona Europa
  • 9. Early Modern (cont’d)Lark (IS28) Caproni Strojnik Ogar
  • 10. Early Modern (1980 ‘s)HB-23-2400 TaifunSGM 2-37
  • 11. Middle Modern (1990’s) Stemme Ximango Diamond Extreme
  • 12. Modern - 2000Lambada Pipistral VirusCarat Pipistral Taurus
  • 13. Modern (cont’d) SambaPhoenix TST BonusJet
  • 14. Mechanical Issues TMGs are more a single engine land plane than a glider. – Additional systems include: – Engine – Fuel systems – Propeller / Propeller control – More complex electrical systems – Navigation systems
  • 15. TMG - Common engines Limbach – Grob – Sachs These are VW derivatives 80 to 90 HP Heat sensitive Lower cost ****not built from VW parts from the auto parts store**** RotaxPurpose-built aircraft engine 80-100-115 HP More complex with liquid cooling 115 HP is Turbo charged Higher cost
  • 16. Propellers – Fixed Pitch  Simple construction  Low cost  High drag in “glider mode”  Air starts possible
  • 17. Propellers – Variable Pitch  Many parts: Manual, Hydraulic, or Electric control  Climb or Cruise pitch available  Featherablefor reduced drag in “glider mode”  Air starts possible…..maybe
  • 18. Propellers – FoldingFixed pitch Very low drag in “glider mode” Air starts not possible
  • 19. Other Considerations Glider category VS LSA (Light Sport Aircraft) Gliders have gone through the FAA certification process Annual inspections by an A&P with InspectionAuthorizationRotax can only be maintained by a Rotax trained mechanic LSA has lesser certification requirements for the aircraft LSA requires a higher level of maintenance All Manufacturers maintenance schedule MUST befollowedRotax can only be maintained by a Rotax trained mechanic
  • 20. Added Complexity Fuel systems Fuel tanks, lines and valves Fuel pumps Electrical systems Charging systems Lighting Navigation systems TMG’s tour so they commonly have aircraft navigation systems VOR Receivers DMEs GPS Some even full IFR equipped
  • 21. What’s new with the TMGA?• Touring Motor Glider Association Web Site:
  • 22. TMGA: Where do we go from here? • TMGA Seeking formal SSA Division Status • Fly-Ins and informal meets • Fun contests (soaring & fuel efficiency) • International participation