Samiksha Jaiswal (Editor)

Fisher Avenger

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Top speed
  
153 km/h

Length
  
4.95 m

Manufacturer
  
Wingspan
  
8.24 m

First flight
  
1994

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The Avenger is a single-seat, Canadian low-wing, tractor configuration ultralight aircraft. The Avenger was introduced in 1994 and is available as a kit or as plans from Fisher Flying Products.

Contents

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Fisher Flying Products was originally based in Edgeley, North Dakota, USA but the company is now located in Vaughan, Ontario, Canada.

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Development

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The Avenger was designed to meet the requirements of the United States FAR 103 Ultralight Vehicles, including the maximum 254 lb (115 kg) empty weight. Design goals included low-cost, an aesthetically attractive look and accommodation for a 76 in (193 cm) tall, 240 lb (109 kg) pilot.

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Although originally designed to accept the 1/2 VW powerplant the aircraft can achieve an empty weight as low as 250 lb (113 kg) with the use of a lighter weight engine, such as the 28 hp (21 kW) Rotax 277 or the 35 hp (26 kW) 2SI 460-35. The Avenger was initially marketed with the now-discontinued Rotax 277 engine, but the use of this engine has been criticized as leaving the aircraft underpowered.

Reviewer Andre Cliche says:

Design

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The Avenger structure is entirely constructed from wood, with a low wing braced to the landing gear. The wooden-framed wing is covered with aircraft fabric. The engine cowling is fibreglass. The conventional landing gear features a steerable tailwheel and main-gear suspension.

The cockpit features an optional removable canopy.

The Avenger has an estimated construction time of 400 hours from the kit.

In 2011 the kit price (without paint, varnish, pilot/passenger restraints, instruments, upholstery, engine, engine mount or propeller) was US$5999, with the plans selling for US$300.

Recommended engines include the 50 hp (37 kW) Rotax 503, 40 hp (30 kW) Rotax 447, 35 hp (26 kW) 2SI 460-35 or 38 hp (28 kW) 1/2 VW.

Operational history

In December 2004 the company reported that 50 Avengers were flying, the majority as US unregistered ultralights.

Variants

Avenger
With a regular firewall for two-stroke engines. Engine options are 40 hp (30 kW) Rotax 447, 50 hp (37 kW) Rotax 503, or 28 hp (21 kW) Hirth F-33 or 35 hp (26 kW) 2SI 460-35. Thirty-five had been completed and flown by the end of 2011.
Avenger V
With a 2" narrower firewall to accommodate VW engines. Engines include the 38 hp (28 kW) 1/2 VW and the 65 hp (48 kW) Volkswagen air-cooled engine. Thirty had been completed and flown by the end of 2011.

Specifications (Avenger with Rotax 503)

Data from Cliche, KitPlanes and Fisher Flying Products

General characteristics

  • Crew: one
  • Capacity: no passengers
  • Length: 16 ft 3 in (4.96 m)
  • Wingspan: 27 ft 0 in (8.24 m)
  • Height: 5 ft 0 in (1.53 m)
  • Wing area: 121 sq ft (11.25 sq m)
  • Empty weight: 280 lb (127 kg)
  • Useful load: 320 lb (145 kg)
  • Max. takeoff weight: 600 lb (272 kg)
  • Powerplant: 1 × Rotax 503 fixed pitch, 50 hp (37 kW)
  • Propellers: 1 propeller, 1 per engine
  • Performance

  • Maximum speed: 95 mph (154 km/h)
  • Cruise speed: 80 mph (130 km/h)
  • Stall speed: 28 mph (45 km/h)
  • Rate of climb: 900 ft/min (4.6 m/s)
  • Wing loading: 4.95 lb/sq ft (24.2 kg/sq m)
  • Power/mass: 12 lb/hp (0.11 kW/kg)
  • References

    Fisher Avenger Wikipedia


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