Auster Workmaster
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The Auster J/1U Workmaster is a late 1950s British single-engined single-seat high-wing agricultural monoplane built by Auster Aircraft Limited at Rearsby, Leicestershire. Of traditional high-wing layout, it carries 90 gallons of spray fluid in a tank beside the pilot, an extra seat being provided for a passenger. The Lycoming 0-360-A engine of 180 h.p. driving a McCauley v.p. propeller giving it ample power; and slotted ailerons and balanced tail controls providing good handling. Oversize tyres were fitted. Take-off run at 2,550 lb gross weight and cruising speed at 65 per cent power are respectively 180 yd and 88 miles per hour (142 km/h). Britten-Norman spray gear was provided by Crop Culture, and this company ordered nine Workmasters.
History
Following the experience of developing the J/1B Aiglet agricultural aircraft, Auster developed a more powerful successor the J/1U Workmaster. Using the basic Autocrat fuselage it was strengthened and had dorsal fin fillets added, low pressure tyres and a 180 hp (134 kW) Avco Lycoming engine.
The aircraft were fitted with Britten-Norman rotary atomizers for crop spraying and a 100 imperial gallon (455 litre) chemical tank in the fuselage. An emergency dump valve allowed the tank to be emptied in 5 seconds. The Workmasters were mainly operated in West Africa, three later returning and are currently (2009) on the U.K. civil aircraft register.
Specifications (J/1U)
Data from Jane's all the World's Aircraft 1959-60[1]
General characteristics
- Crew: 1
- Capacity: 1 passenger, with spray tank of Template:Cvt capacityTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Aspect ratio: 7
- Airfoil: NACA23012Template:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Fuel capacity: Fuel: Template:Cvt ; Oil: Template:CvtTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convert
- Propellers: 2-bladed McCauley variable-pitch propellerTemplate:Aircraft specs/length
PerformanceTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/rangeTemplate:Aircraft specs/rangeTemplate:Aircraft specs/rangeTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Take-off run: Template:Cvt in zero wind
- Take off-run to Template:Cvt: Template:Cvt in zero wind
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Bridgman, Leonard, ed. (1959). Jane's all the World's Aircraft 1959-60. London: Sampson Low, Marston & Co. Ltd. p. 15.
Further reading
- Page Module:Citation/CS1/styles.css has no content.The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
- Page Module:Citation/CS1/styles.css has no content.Jackson, A.J. (1974). British Civil Aircraft since 1919 Volume 1. London: Putnam. ISBN 0-370-10006-9.
External links
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