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644 Volunteer Gliding School |
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The Grob 109b Vigilant T Mk 1 |
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Home | 644 | Syerston | Training | Vigilant TMk1 | Joining Instructions | Location | Gallery | Downloads | Contact | Links |
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Description:
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| Self launching motor glider, low
wing monoplane, with folding wings, and side by side seating for two crew.
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| Technical Data:
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| Span: 17.4m (57.1ft) | |
| Length: 8.1m (26.6ft) | |
| Height: 1.7m (5.6ft) | |
| Aspect Ratio: 16:1 | |
| Wing Area: 19m² (204.5ft²) | |
Max. Flying Weight: 908kg (2002lbs) |
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Max. Wing Loading: 47.8kg/m² (9.8lbs/ft²) |
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| Engine: Grob 2500 horizontally
opposed 4 cylinder air cooled
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| Maximum Speeds
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| Never exceed speed in calm air: 130kts (below 6500ft up to 850kg) | |
| Normal operations in calm air: 117lts (up to 850kg) | |
| Max. speed in
turbulence/manoeuvring: 83kts (up to 850kg)
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| Flight Performance Envelope
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| Acceleration limits: +3.5/0g (up to 850kg) | |
| Best angle of climb: 49kts | |
| Best rate of climb: 60 kts (fine pitch) 75kts (coarse pitch) | |
| Best glide angle: 1:28 | |
| Cruise fuel consumption: 12-15
litres per hour (100ltr tank)
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| Mass and Balance
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| Max all up mass for take-off/landing: 908kg | |
| Max baggage: 17kg | |
| Max fuel mass: 72kg | |
| Max crew mass for solo flight: 110kg | |
| Max crew mass for dual flight: 220kg | |
| CG limits: 271mm forward to 427mm aft of datum | |
Home | 644 | Syerston | Training | Vigilant TMk1 | Joining Instructions | Location | Gallery | Downloads | Contact | Links |
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