Haufe Buzzer 2

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Buzzer 2
Role Motor glider
National origin United States
Designer Walter Haufe
Introduction1975
StatusProduction completed
Primary userWalter Haufe
Number builtone
Developed from Haufe Ha-S-2 Buzzer

The Haufe Buzzer 2 is an American high-wing, strut-braced single-seat motor glider that was designed and constructed by Walter Haufe. [1] [2]

Contents

Design and development

After Haufe's earlier Buzzer was deemed less than successful, due to the insufficiently reliable Nelson Aircraft engine, Haufe retired that design and designed a new aircraft, which became the Buzzer 2. Intended to be a cross between a conventional sailplane and a light aircraft the aircraft was built with a 34 ft (10.4 m) wing span and has a 16:1 glide ratio. [1] [2]

The Buzzer 2 is constructed with a welded steel tube fuselage and a wooden wing, all covered with doped aircraft fabric covering. The relatively low 8:1 aspect ratio wing uses a single spar and is supported by a single lift strut. The wing employs a modified NACA 2412 airfoil. The landing gear is a fixed monowheel and two wing-mounted outrigger wheels that support the wing during taxiing. The engine is a Curtiss snowmobile engine that turns at a maximum rpm of 6000, powering the propeller through an oil-immersed 2:1 chain reduction drive, giving a propeller speed of 3000 rpm. [1] [2] [3]

Only one Buzzer 2 was constructed. [1] [2] [4]

Operational history

Haufe reported that the aircraft uses 600 ft (183 m) to take-off and climbs at about 500 feet per minute (2.5 m/s). The aircraft was still on the US Federal Aviation Administration registry in July 2011, registered in the Experimental - Amateur-built category. [2] [4]

Specifications (Buzzer 2)

Data from Sailplane Directory and Soaring [1] [2]

General characteristics

Performance

See also

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References

  1. 1 2 3 4 5 Activate Media (2006). "Buzzer 2 Haufe". Archived from the original on August 29, 2012. Retrieved July 25, 2011.
  2. 1 2 3 4 5 6 Said, Bob: 1983 Sailplane Directory, Soaring Magazine , page 121. Soaring Society of America, November 1983. USPS 499-920
  3. ↑ Lednicer, David (2010). "The Incomplete Guide to Airfoil Usage". Archived from the original on April 20, 2010. Retrieved July 1, 2011.
  4. 1 2 Federal Aviation Administration (July 2011). "Make / Model Inquiry Results N7462" . Retrieved July 25, 2011.
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