The Rhönlerche I, the last design by Alexander Schleicher of which only a prototype was built.
At this time the Schleicher built ES 49 and competitors’ models with closed cockpits offered much more comfort and better performance.
The Rhönlerche I flew for several years on the Wasserkuppe and subsequently in Ziegenhain before records for it disappeared.
Technical Data
| Muster / Type | Rhönlerche I |
| Klasse / Class | Doppelsitzer / Double seater |
| Herstellungszeitraum / Production period | 1952 |
| Stückzahl / Number of pieces | 1 |
| Konstrukteuer / Designer | A. Schleicher / L. Krönung |
| Spannweite / Span | 13 m |
| Rumpflänge / Fuselage length | 6.87 m |
| Höhe / Height | 2.25 m |
| Flügelfläche / Wing area | 18.1 m² |
| Flügelstreckung / Wing aspect ratio | 9.35 |
| Flügelprofil / Airfoil | Gö 535 / Gö 676 |
| Leermasse / Empty weight | 210 kg |
| Höchstflugmasse / Max. weight | 380 kg |
| Max. Flächenbelastung / Max. wing load | 21 kg/m² |
| Gleitzahl / Best glide ratio | 18 |




