# Grob G-103 Twin II Acro

This higly popular trainer is also suitable for simple aerobatics as well as cross-country flying. The Twin is considered a bit heavy on the controls, but quite gentle and easy to fly. In addition, the Twin cockpit is very spacious and comfortable.

In 1981 The Twin II won the world Out & Return record for two-seat sailplanes (1000.88 km/ 621.92 miles) flown by Tom Knauff of the U.S.

This particular aircraft is modeled after LN-GAB which is operated by Ringerikes Seilflyklubb in Norway

## Technical Data

Geometry
Wing Span | 17.5m / 57.4 ft
Wing Area | 17.8m2 / 191 ft2
Aspect Ratio | 17.2
Weight
Empty Weight | 368kg / 811lb
Maximum Weight | 580kg / 1279lb
Waterballast | 0
Wing Loading | 32.58 kg/m2 / 6.67lb/ft2
Gliding Performance
Best L/D | 36 @ 105kph/56kts
Min. Sink | 0.75m/s / 2.45ft/s
Stall Speed | 62km/h
Maximum Speed (Vne) | 250km/h
Max. speed in rough air | 170km/h

## Further Info

- Grob Aerospace: http://www.grob-aerospace.de
- Ringerikes Seilflyklubb: http://ringerikes.seilflyklubb.no