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KR-1 Aircraft



 Richard Shirley's Award Winning KR-1



The KR-1 is a single seat low wing aircraft which can be powered by a certified or auto conversion engine.  It is typically powered by smaller VW engines, up to the 2100cc.  As with all KR's, the KR-1 is equipped with removable wings, and your choice of fixed conventional, or tricycle gear.

Speed, economy and range.  Designed for the first-time builder.

  • Utilizing wood and foam/fiberglass construction
  • No hot-wiring required  

  • Pre-molded parts greatly speed construction time (approximately 800 hours)

  • A well-proven design for over 30 years!


KR-1 Specifications




12' 9"

Wing Span

17' 0"

Total Wing Area

62 sq ft




Empty weight

375 lbs

Gross weight

750 lbs

Useful load

375 lbs

Baggage capacity

20 lbs max




KR-1 Performance

Ground Performance:

Take off distance

350 ft

Landing distance

900 ft



Maximum Speed

200 mph

Cruise Speed

180 mph

Stall Speed

52 mph



Rate of Climb (light)

1200 fpm

Rate of Climb (gross)

800 fpm

Service ceiling

15,000 ft



Fuel capacity

8-30 gal

Fuel consumption

3.8 gph (typical)


1400 miles




* Performance specifications are typical utilizing a VW 1834cc engine.


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