Vickers Type 177
| Industry | Aerospace, Defense |
|---|---|
| Founded | 1828 |
| Headquarters | United Kingdom |
The Vickers Type 143, also known as the Bolivian Scout, was a British single-seat fighter biplane developed and manufactured by Vickers between 1929 and 1930. A total of six units were produced for Bolivia in 1930, and the remaining aircraft saw action during the Chaco War against Paraguay.
Design and development
In early 1929, amid ongoing territorial conflicts with Paraguay over the Gran Chaco region, Bolivia sought to enhance its air force capabilities.[1] As part of this effort, Bolivia commissioned six fighter planes from Vickers, designated as the Vickers Type 143. This model, also referred to as the Bolivian Scout, was an evolution of the preceding Vickers Type 141 fighter. Notably, the original Rolls-Royce Kestrel engine was replaced with a Bristol Jupiter VIA engine, which was already in use across other Bolivian Air Force aircraft. Additionally, the design incorporated a reinforced undercarriage to better withstand the uneven terrain of Bolivian airstrips.[2] The aircraft featured an all-metal construction, single-seat cockpit, and single-bay biplane wings.
The maiden flight of the Type 143 occurred on 11 June 1929, successfully fulfilling all established performance requirements.[2] Prior to shipment to Bolivia, one of the six planes underwent evaluation by the Aeroplane and Armament Experimental Establishment (A & AEE) at Martlesham Heath.[2]
Separately, a seventh unit known as the Vickers Type 177 was constructed as a private project aimed at fulfilling Air Ministry Specification N.21/26 for a naval fighter. This variant was equipped with a Jupiter XF engine and featured steerable wheel brakes to facilitate manoeuvring on aircraft carrier decks. The Type 177 completed its first flight on 26 November 1929,[3] achieving a top speed of 190 mph (310 km/h).[4] Despite these capabilities, the Hawker Nimrod, which had not been specifically designed for this specification, was ultimately selected to satisfy the Fleet Air Arm's fighter requirements.[4]
Operational history
The six Type 143 aircraft were delivered to Bolivia starting in January 1930. Although these planes gained favor within the Bolivian Air Force, by the time tensions with Paraguay intensified into the Chaco War, half of them had already been lost. The three surviving Type 143s remained active throughout the conflict until they were eventually replaced by Curtiss Hawk fighters. During their service, they successfully engaged and inflicted damage on at least one Paraguayan Wibault 73 in aerial combat.
Variants
- Vickers Type 143
- A batch of six units supplied to Bolivia, each equipped with a 450 hp (340 kW) Bristol Jupiter VIA powerplant.
- Vickers Type 177
- A single prototype developed as a Naval Fighter for evaluation by the Fleet Air Arm, powered by a 540 hp (400 kW) Bristol Jupiter XFS engine. This model did not enter production.
Operators
- Bolivian Air Force operated six aircraft.
- Fleet Air Arm conducted testing on one prototype.
Specifications (Type 143)
See also
Notes
Bibliography
- Andrews, E.N. and E.B. Morgan. Vickers Aircraft Since 1908, Second Edition. London: Putnam, 1988. ISBN 0-85177-815-1.
- Green, W. and Gordon Swanborough. The Complete Book of Fighters. New York: Smithmark, 1994. ISBN 0-8317-3939-8.
- Mason, Francis K. The British Fighter since 1912. Annapolis, Maryland: Naval Institute Press, 1992. ISBN 1-55750-082-7.
External links
