page_title: Grob G103a Twin II
section_title: Specifications
hierarchical_section_title: Grob G103a Twin II / Specifications
caption_attribution_description: English: Picture taking at 662 vgs
context_page_description: The G103 Twin II is a high-performance two-seat sailplane manufactured in Germany by Grob Aircraft. The aircraft is of T-tail configuration, and is fitted with upper-surface airbrakes and a non-retractable undercarriage. Of fiberglass construction, it is designed for training, high performance cross-country racing and simple aerobatic flying.
context_section_description: General characteristics
  Crew: Two
  Length: 8.18 m (26 ft 10 in)
  Wingspan: 17.50 m (57 ft 5 in)
  Height: 1.55 m (5 ft 1 in)
  Wing area: 17.8 m² (191 sq ft)
  Aspect ratio: 17.1
  Empty weight: 390 kg (869 lb)
  Gross weight: 580 kg (1,280 lb)
  Performance
  Maximum speed: 250 km/h (160 mph, 140 kn)
  Cruise speed: 85 km/h (53 mph, 46 kn)
  g limits: +5.3/-2.65 at Va
  Maximum glide ratio: ca. 36.5
  Rate of sink: 0.64 m/s (126 ft/min)
caption: Viking T1 used by the British Air Cadet Organisation launching at 662 VGS, RM Condor
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