Büttner Crazy Flyer
| Crazy Flyer | |
|---|---|
| Role | Powered parachute |
| National origin | Germany |
| Manufacturer | Büttner Propeller |
| Status | In production (2015) |
| Unit cost |
€14.543 (Crazy Flyer 2, less wing, 2004) |
The Büttner Crazy Flyer (also called the Crazy Flier) is a family of one and two-seat German powered parachutes designed and produced by Büttner Propeller of Obernkirchen. The aircraft are supplied complete and ready-to-fly, but without wings.[1]
Design and development
The Crazy Flyer 2 two-seater was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 450 kg (992 lb). The Crazy Flyer 2 features two-seats-in-tandem accommodation, tricycle landing gear and a single 53 hp (40 kW) Hirth 2704 engine in pusher configuration.[1]
The aircraft carriage is built from triangulated bolted aluminium tubing. The main landing gear incorporates spring rod suspension. A variety of parachute-style wings from different manufacturers can be used.[1]
Variants
- Crazy Flyer 1
- Single seat version powered by a Hirth F33 30 hp (22 kW) motor[1]
- Crazy Flyer 2
- Two seat version powered by a Hirth 2704 53 hp (40 kW) motor[1]
Specifications (Crazy Flyer 2)
Data from Bertrand[1]
General characteristics
- Crew: one
- Capacity: one passenger
- Empty weight: 87 kg (192 lb)
- Fuel capacity: 30 litres (6.6 imp gal; 7.9 US gal)
- Powerplant: 1 × Hirth 2704 twin cylinder, two-stroke, air-cooled aircraft engine, 40 kW (53 hp)
- Propellers: 4-bladed composite ground adjustable
Performance
- Maximum speed: 52 km/h (32 mph; 28 kn)