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PORTMOAK HERITAGE COLLECTION
Slingsby T21 Sedburgh BJF
C of A to 2nd August 2025
BGA Number 1000
Trigraph BJF
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General characteristics
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Crew: 2
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Length: 26 ft 9 in (8.16 m)
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Wingspan: 54 ft 2 in (16.5 m)
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T.21P: 50 ft (15 m)
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Wing area: 260 sq ft (24.2 m2)
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Aspect ratio: 11.2
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Airfoil: Göttingen 535 at the roots, tip: symmetrical
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Empty weight: 600 lb (272.16 kg)
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Max takeoff weight: 1,049 lb (476 kg)
Performance
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Never exceed speed: 91 kn
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Max aerotow speed: 65 kn
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Max winch launch speed: 55 kn
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g limits: +7.5 - 3.8 at 62 kn
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Maximum glide ratio: 21:1 at 37 kn
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Min rate of sink: 175 ft/min 33 kn
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Approach Speed 40 kt
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Min approach speed 35 kt
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Wing loading: 4.0 lb/sq ft (19.6 kg/m2)
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