Swift S-1

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Role

Aerobatic glider

Manufacturer

Swift Ltd.

Designer

Edward Marganski and Jerzy Cisowski

First flight

6 August 1991 (proof of concept glider: 11 January 1991)

Primary users

Jerzy Makula
see European and World Glider Aerobatic Championships for further users

Produced

1991-

Number built

30 (+ proof of concept glider)

Developed from

SZD-21 Kobuz

The Swift S-1 is a single seat aerobatic glider manufactured by Polish company Swift Ltd.

Design and development

Edward Margański, Jerzy Cisowski and Jerzy Makula developed the Swift at Bielsko-Biała from the SZD-21-2b Kobuz 3.^[1]^[2] The prototype first flew in 1991.

The glider is made of glass-fibre epoxy composite. It is very strong (stressed for plus and minus 10g) and manoeuvrable (a roll takes 4 seconds). Larger tips are available to increase the span to 15m. It has a retractable undercarriage.

Swift concludes its aerobatic display at Old Warden, England

Georgij Kaminski' demonstration flight on the 90th anniversary of the gliding sport of Russia. S-1 Swift glider.

The Swift Aerobatic Display Team at Kemble Battle of Britain Weekend 2009. A Swift S-1 is performing continuous rolls while towed by a Piper Pawnee

Specifications

Data from ^{[citation needed]}

General characteristics

Crew: 1
Length: 6.91 m (22 ft 8 in)
Wingspan: 12.7 m (41 ft 8 in)
Height: ()
Wing area: 11.8 m² (127 sq.ft.)
Airfoil: NACA 641412
Aspect ratio: 14.3
Empty weight: 280 kg (617 lb)
Loaded weight: 390 kg (860 lb)

Performance

Maximum speed: 287 km/h (178 mph)
sink rate: 0.9 m/s (177 ft/s)
glide ratio: 30.0 (at 127 km/h)
Tail area: 1.65 m²
Tail airfoil: NACA 631012-63006
Vertical Empennage Area: 0.9 m²
Vertical Empennage Airfoil: NACA 632015-63012
Manoeuver Speed Va: 228 km/h
Diving Speed Vd: 320 km/h
Max Lift/Drag Ratio: 30.0 @ 107 km/h
Minimum Speed: 73 km/h
Load Factors: +10 g / - 7.5 g

References

↑ Margański & Mysłowski: Swift S-1 - accessed 2008-03-20
↑ Swiss Aerobatic Gliding Association: Swift S-1 (in German) - accessed 2008-03-20

External links

Media related to Swift S-1 at Wikimedia Commons

Swift S-1 web page by Margański & Mysłowski Zakłady Lotnicze Sp. z o. o.

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Swift S-1

Design and development

Specifications

See also

Comparable aircraft

References

External links