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The Grob GF 200

Country of origin  
Germany

Photos  
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Powerplants  
GF 200 - One 230kW (310hp) Teledyne Continental TSIOL550 turbocharged and fuel injected flat six piston engine driving a three blade constant speed Mühlbauer propeller.

Performance  
GF 200 - Max cruising speed 370km/h (200kt), economical cruising speed 335km/h (181kt). Max initial rate of climb 1220ft/min. Max range with 45min reserves 1850km (1000nm).

Weights  
GF 200 - Payload 600kg (1323lb), max takeoff 1600kg (3527lb).

Dimensions  
GF 200 - Wing span 11.00m (36ft 1in), length 8.70m (28ft 6in), height 3.42m (11ft 3in). Wing area 12.5m2 (134.9sq ft).

Capacity  
GF 200 standard seating for four with bizjet style leather seats and interior. GF 200/6 to seat six, GF 300 to seat six, and GF 350 to seat six to eight.

Production  
In 1998 Grob was searching for a partner to help fund production. Grob says there are over 200,000 aircraft worldwide in the four to six seat high performance class. The GF 200 is pitched to replace these aircraft.

Type  
Four seat high performance light aircraft

History  

Germany's Grob launched the GF 200 four/five seater to offer a modern, high performance alternative to the thousands of four/six seater business aircraft in use worldwide.

Grob's initial design aims with the GF 200 were to create a comfortable and roomy pressurised four seater capable of cruising at 420km/h (225kt) at 26,000ft. Power was to be supplied by a Porsche piston engine, but Grob later switched to the turbocharged Textron Lycoming TIO540 flat six. Another powerplant selection switch will see production aircraft powered by a Teledyne Continental TSIOL550, also a turbocharged flat six.

A key feature of the GF 200 is its pusher engine installation. The engine, which is buried in the airframe and mounted on the aircraft's centre of gravity, drives a three blade constant speed propeller via a carbonfibre reinforced plastic shaft. Grob says the major advantage of the pusher configuration is that, unlike tractor aircraft, the airflow over the airframe is laminar.

Grob also claims the GF 200's composite airframe brings significant benefits in drag reduction compared with conventional construction. Other features of the aircraft include its advanced profile wing with winglets and retractable undercarriage.

The GF 200 was first conceived in 1983 by Grob's head of design K H Fischer, whose concept was to apply the company's extensive knowledge of composite construction to a new four place high performance four seater. The project was postponed until 1989 because of potential difficulties with certificating a composite aircraft. Serious design effort resumed with the assistance of the German Ministry for Research and Technology, resulting in the unpressurised prototype's first flight on November 26 1991.

Planned GF 200 developments include the GF 250 pressurised model, the stretched six seat GF 250/6, six seat turboprop powered GF 300 and the six to eight seat twin turboprop powered (supplying power through a single driveshaft) GF 350.

Grob is searching for a partner to help it fund production.

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The backbone of this section is from the The International Directory of Civil Aircraft by Gerard Frawley and used with permission. To get your own copy of the book click here.