Twin III Acro and III Sl G 103 C Grob   


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General Details
Manufacturer: Grob
Plane Name:

Twin III Acro and III Sl G 103 C

Classified as: Two-place
Country Of Origin: Germany
Designer: Burkhart Grob
No. of Seats 2
No. Built 167
   
Performance:
L/DMax: 36 107 kph / 58 kt / 67 mph
   
MinSink: 0.70 m/s / 2.3 fps / 1.36 kt
   


 

Specifications:
Span Area Empty Weight Payload Gross Weight Wing Load Water Ballast
m ft sq.m sq.ft kg lb. kg lb. kg lb. kg
/sq.m
lb.
/sq.ft
kg lb.
18 59 17.5 188.4 390 860 210 463 600 1323 34.29 7.03 0 0
Aspect ratio: 18.5
Airfoil: Eppler E583
Structure: GFRP and CFRP
Engine: SL model only

Comment:
The G 103 C Twin III is a development of the Twin II with a new ムDiscusメ plan wing of slightly increased span and modified airfoil section. The cockpit has detailed improvements including better ventilation, relocated airbrake levers to give better purchase, and canopies restrained by gas-filled struts. The unpowered sailplane is cleared for aerobatics similar to the Twin II Acro. The self-launching version (Twin III SL), which is non-aerobatic, has an electrically actuated mast-mounted retracting engine and steerable nose wheel, Fuel is stored in a main tank in the fuselage close to the engine, and in an auxiliary tank in the left wing root from which fuel is moved by a transfer pump. The variable pitch propeller has climb and cruise setting. ATC.


           

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