Grob G103c Twin III

what is it?

The G103C Twin III is a high performance tandem two-seat sailplane made by Grob Aircraft. It replaced the Twin II in production and features a new triple-trapezoidal wing, automatic elevator connection, lower control forces and higher airspeed limitations. Most Twin IIIs (102 of 115 built) were Twin III Acro models, with G-Limits of +6/-4g.

base stats

• seats 1passengers
• size 600 kgmax take-off weight
• built 115made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 37 years ago, in 1989.
• 🚗Wingspan of 18 m: about 4 cars parked nose to tail.

no engine: No engine: it glides on rising air.

spec sheet

first flight

1989

introduced

1989

number built

115

role

two-seater class sailplane

origin

🇩🇪 Germany

makers

Grob Aircraft

engines

none (glider)

crew

1

passengers

1

length

8.2 m

wingspan

18 m

height

1.6 m

max take-off weight

600 kg

top speed

—

range

—

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.