| SFS 31 Milan | |
|---|---|
| Role | Motor glider |
| National origin | Germany |
| Manufacturer | Sportavia-Pützer |
| First flight | 31 August 1969[1] |
| Number built | 14 by 1973[1] |
| Developed from | Fournier RF-4, Scheibe SF-27 |
The Sportavia-Pützer SFS 31 Milan is a single-seat motor glider that was produced in Germany in the early 1970s.
The Milan was created by essentially combining the fuselage of the Fournier RF-4 with the wings of the Scheibe SF-27.[2][3][4] The resulting aircraft is a conventional motorglider design, a low-wing cantilever monoplane with a nose-mounted engine.[1][4] The undercarriage consists of a single retractable mainwheel, a fixed tailwheel, and an outrigger under each wing.[1][5] Construction is of wood, skinned in plywood and fabric.[1][5] The designation was created by combining the initials of the manufacturers involved (Sportavia, Fournier, and Scheibe), and adding together the model numbers of the two constituent aircraft designs.[1][4]
The SFS 31 prototype (registered D-KORO) first flew on 31 August 1969[1][4] and soon replaced the RF-4D in production at Sportavia-Pützer.[6] In 1971, Hans Huth piloted an SFS 31 to third place in the German national motorglider competition.[1][7]
Data from Taylor 1977, p.560, except as noted
General characteristics
Performance
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