Akaflieg Stuttgart FS-24
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| Type designation | FS-24 |
| Crew | 1 |
| Length | 6.84 m |
| Wingspan | 16 m |
| Wing area | 14.36 m² |
| Aspect ratio | 17.83 |
| Empty mass | 164.2 kg |
| Maximum mass | 264.9 kg |
| Maximum speed | 172 km/h |
| Minimum sink rate | 0.52 m/s |
| Best glide ratio | 40 at 77 km/h |
The design was started at the Stuttgart Acadamische Fliegergruppe by R. Eppler and H. Näglele in 1951. Originally it was constructed of balsa wood with a strengthened outer layer of paper and glue layers. The project was abandoned until a grant was received for further research. By then glass fibre strengthened polyester resin was available and so it was redesigned using a balsa wood/glass fibre 'sandwich'. The load-bearing points and the edge of the cockpit canopy were strengthened with plywood. It made its first flight on 27 November 1957.
For its first flights it had a conventional tail unit but later a T-tail was added. The landing gear was retractable. Eight Phönixes were built.
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