| J/1U Workmaster | |
|---|---|
 J/1U Workmaster at Shobdon airfield, Herefordshire, in April 1987 | |
| General information | |
| Type | Agricultural aircraft |
| Manufacturer | Auster Aircraft Limited |
| Primary user | Crop Culture (Overseas) Limited |
| Number built | 10 |
| History | |
| Introduction date | 1958 |
| First flight | 1958 |
| Developed from | Auster Autocrat |
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.