Aviat Eagle II

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The Christen Eagle II, which later became the Aviat Eagle II in the mid-1990s, is an aerobatic sporting biplane aircraft that has been produced in the United States since the late 1970s.

Video Aviat Eagle II

Design

Designed to compete with the Pitts Special by Frank Christensen originally of Salt Lake City, Utah, the Eagle II is marketed in kit form for homebuilding. It set a new standard for completely documented homebuilding kits that revolutionized the homebuilding industry. The Eagle II is a small aircraft of conventional configuration with single-bay, equal-span staggered biplane wings braced with streamlined flying and landing wires and a I-strut to form a box truss. The pilot and a single passenger sit in tandem underneath a large bubble canopy. The tailwheel undercarriage is fixed, with the mainwheels mounted on spring aluminum legs. The main wheels are housed in streamlined fairings. The fuselage and tail are constructed of chromoly steel welded tube, with the forward fuselage skinned in aluminum and the rear fuselage and tail covered in fabric. The wing structure is Sitka spruce wood and fabric covered. The engine cowling is fiberglass. By 2011 over 350 aircraft were flying.

Maps Aviat Eagle II

Operational history

In 1979, the Eagles Aerobatic Team (Charlie Hillard, Tom Poberezny, and Gene Soucy) chose the Christen Eagle as a replacement for their Pitts Special airshow act "The Red Devils". The act continued until 1995. All three Christen Eagles hang from the lobby of the EAA Airventure Museum in Oshkosh, Wisconsin.

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Variants

Christen Eagle I

Single Seat Variant. Lycoming AEIO-540 260 hp (190 kW). First design model, built at the San Carlos Airport. 4 Airframes built, one was White with Black Feathers now based in Dallas Texas, the other 3 are in the EAA Museum in Oshkosh WI.

Christen/Aviat Eagle II

Most common variant, two seat dual controls. Lycoming AEIO-360 200 hp (150 kW).

Christen Super Eagle I 540

Very rare, two built. Lycoming AEIO-540 300 hp (220 kW). Formerly flown by the IRON EAGLES AEROBATIC TEAM, now owned by Professional Pilots based in Texas and Tennessee.

Christen Super Eagle II

Several examples built, two seats, limited fuel tanks.

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Specifications

General characteristics

• Crew: One pilot
• Capacity: 1 (Aviat eagle: 2, pilot and passenger)
• Length: 17 ft 11 in (5.46 m)
• Wingspan: 19 ft 11 in (6.07 m)
• Height: 6 ft 6 in (1.98 m)
• Wing area: 125 ft² (11.6 m²)
• Empty weight: 1,025 lb (465 kg)
• Gross weight: 1,578 lb (716 kg)
• Powerplant: 1 × Lycoming AEIO-360-A1D, 200 hp (150 kW)

Performance

• Maximum speed: 210 mph (337 km/h)
• Cruise speed: 140 mph (225 km/h)
• Range: 380 miles (610 km)
• Service ceiling: 17,000 ft (5,180 m)
• Rate of climb: 2,100 ft/min (11 m/s)

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See also

Aircraft of comparable role, configuration and era

• Acro Sport II
• Sorrell Hiperbipe
• Steen Skybolt
• Pitts Special

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References

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 254. 
• Jane's All the World's Aircraft 1987-88. London: Jane's Yearbooks. pp. 585-85. 
• Manufacturer's website
• Cavanaugh Flight Museum's Christen Eagle II

Source of article : Wikipedia