Our Aircraft

Piedmont Soaring Society operates 3 gliders and 1 single engine aircraft. These are club ships and the gliders are available for member use.

The club aircraft are.

Piper PA-25

General characteristics

Crew: One
Capacity: 120 US gal (568 l) or 1,200 lb (545 kg) of chemicals
Length: 24 ft 9 in (7.55 m)
Wingspan: 36 ft 2 in (11.02 m)
Height: 7 ft 2 in (2.19 m)
Wing area: 183 ft² (17.0 m²)
Empty: 1,457 lb (662 kg)
Loaded: 2,900 lb (1,317 kg)
Maximum takeoff: 2,900 lb (1,317 kg)
Powerplant: 1 x Lycoming O-540-B2B5, 235 hp (175 kW)

Performance

Maximum speed: 102 kts (188 km/h)
Range: 300 miles (500 km)
Service ceiling: 13,000 ft (3,963 m)
Rate of climb: 630 ft/min (192 m/min)(at MTOW)
Wing loading: 15.9 lb/ft² (77.5 kg/m²)
Power/Mass: 0.0810 hp/lb (0.133 kW/kg)

Grob Twin Astir
(Manual)

General characteristics

Crew: Two
Capacity: one passenger
Length: 8.1 m (26 ft 7 in)
Wingspan: 17.5 m (57 ft 5 in)
Height: 1.60 m (5 ft 3 in)
Wing area: 17.9 m2 (193 ft2)
Aspect ratio: 17.1
Empty weight: 390 kg (860 lb)
Gross weight: 610 kg (1,345 lb)

Performance

Maximum speed: 250 km/h (160 mph)
Maximum glide ratio: 38
Rate of sink: 0.6 m/s (120 ft/min)

LET L-23 Super Blaník
(Manual)

L23-1

General characteristics

Crew: 2
Length: 8.5 m (27 ft 11 in)
Wingspan: 16.2 m (53 ft 2 in)
Height: 1.9 m (6 ft 3 in)
Wing area: 19.15 m2 (206.1 sq ft)
Airfoil: root: NACA 632A-615 ; tip:NACA 632A-612
Empty weight: 310 kg (683 lb)
Max takeoff weight: 510 kg (1,124 lb) dual

Performance

Never exceed speed: 256 km/h; 159 mph (138 kn) in smooth air at max t/o weight dual
Maximum glide ratio: 28 at 90 km/h (49 kn; 56 mph) at max t/o weight dual
Rate of sink: 0.82 m/s (161 ft/min) at 80 km/h (43 kn; 50 mph) at max t/o weight dual

Schweizer SGS 2-33
(Manual)

General characteristics

Crew: Two
Length: 25 ft 9 in (7.90 m)
Wingspan: 51 ft 0 in (15.54 m)
Height: 9 ft 3.5 in (2.90 m)
Wing area: 219.48 ft2 (20.4 m2)
Aspect ratio: 11.85:1
Wing profile: NACA 63(3)-618[2]
Empty weight: 600 lb (272 kg)
Gross weight: 1,040 lb (472 kg)

Performance

Maximum speed: 98 mph (157 km/h)
Maximum glide ratio: 22.25 at 52 mph (83 km/h)[5]
Rate of sink: 168 ft/min (0.85 m/s)

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