Slingsby T 30 Prefect

General characteristics

• Crew: 1

• Length:  20 ft 8 in  (6.3 m)

• Wingspan: 45 ft (13.7 m)

• Wing area:  154 sq ft (14.3 m2)

• Aspect ratio: 13

• Airfoil: Gőttingen 535 at root, symmetric tip

• Empty weight:  390 lb (177 kg) equipped (approx.)

• Max takeoff weight: 634 lb (287 kg) +3% BGA concession non-aerobatic

• Max pilot weight 222 lbs (100.7 kg)

• Wing loading:  4 lb/sq ft (19.6 kg/m2)

Performance

• stall speed brakes open 30 kts (approx.)

• stall speed brakes closed 28 kts (approx.)

• Never exceed speed: 90 kts (167 km/h)

• Max aerotow speed: 60 kts (111 km/h)

• Max winch launch speed: 50 kts (92 km/h)

• Max rough air speed: 60 kts (111 km/h)

• Max airbrake speed: 90 kts (167 km/h)

• Min sink speed 32 kts (59 km/h)

• Best glide speed 37 kts (69 km/h)

• Min approach speed 45 kts

• g limits: -2.5 @ 54 kts, 5g @ 57kts and 4g at 116 kts

• Rate of sink:  156 ft/min ( 0.8 m/s) at 32  kts (59 km/h)

• Lift-to-drag: 21 at  37 kts ( 69 km/h)