Rihn DR-107 One Design

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DR-107 One Design
Dan Rihn DR.107 One Design G-RIHN at Compton Abbas (9047962359).jpg
DR-107 at Compton Abbas Airfield
Role Homebuilt aircraft
National origin United States
Manufacturer Aircraft Spruce & Specialty
DesignerDan Rihn
First flight1993
StatusPlans and kits available (2013)
Number builtat least 56 (2013)
Variants Rihn DR-109

The Rihn DR-107 One Design is an American aerobatic homebuilt aircraft that was designed by Dan Rihn and first flown in 1993. The aircraft is supplied by Aircraft Spruce & Specialty of Corona, California in the form of plans and a materials kit for amateur construction. [1]

Contents

The DR-107 was designed as a low-cost one design aircraft for competition and sport basic to advanced aerobatics, including International Aerobatic Club Class One competitions. For this role it is stressed to +/-10g. [1]

Design and development

The DR-107 is a monoplane that features a cantilever low-wing, a single-seat enclosed cockpit under a bubble canopy, fixed conventional landing gear with wheel pants and a single engine in tractor configuration. [1]

The aircraft is predominantly made from wood, with some steel parts and doped aircraft fabric. Its 19.50 ft (5.9 m) span wing employs a Wainfan 16% symmetrical airfoil and has a wing area of 75.55 sq ft (7.019 m2). The wing has almost full-span ailerons that produce rolls of 360° per second. The wing has no flaps. Other features include a low-mounted cable-braced tailplane and a 24 in (61.0 cm) wide cockpit. [1] [2]

The DR-107 can accept engines of 160 to 180 hp (119 to 134 kW). The standard engines used are the 180 hp (134 kW) Lycoming O-360, modified with high compression pistons, an inverted oil system and fuel injection or the 160 hp (119 kW) Lycoming AEIO-320 powerplant. [1]

The aircraft has an empty weight of 740 lb (340 kg) and a gross weight of 1,150 lb (520 kg), giving a useful load of 410 lb (190 kg). With full fuel of 19 U.S. gallons (72 L; 16 imp gal) the payload is 296 lb (134 kg). [1]

The designer estimates the construction time from the supplied materials kit as 2000 hours. [1]

Operational history

By 1998 the company reported that 355 kits had been sold and five aircraft were flying. [1]

In November 2013 33 examples were registered in the United States with the Federal Aviation Administration, with another 11 previously registered and now removed. [3] Also in November 2013 there were two registered with Transport Canada and ten in the United Kingdom with the Civil Aviation Authority. [4] [5]

Specifications (DR-107)

Rihn DR-107 One Design Dan Rihn DR.107 One Design G-RIHN at Compton Abbas (9047962139).jpg
Rihn DR-107 One Design

Data from AeroCrafter and Lednicer [1] [2]

General characteristics

Performance

See also

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References

  1. 1 2 3 4 5 6 7 8 9 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition, page 107. BAI Communications, 15 July 1998. ISBN   0-9636409-4-1
  2. 1 2 Lednicer, David (2010). "The Incomplete Guide to Airfoil Usage" . Retrieved November 29, 2013.
  3. ↑ Federal Aviation Administration (November 29, 2013). "Make / Model Inquiry Results" . Retrieved November 29, 2013.
  4. ↑ Transport Canada (November 29, 2013). "Canadian Civil Aircraft Register". Archived from the original on July 18, 2011. Retrieved November 29, 2013.
  5. ↑ Civil Aviation Authority (United Kingdom) (November 29, 2013). "GINFO Search Results Summary" . Retrieved November 29, 2013.
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