This model was selected as a standard design in class F1A by the Swedish national model flying association SMFF. It was an improved version of Arne Berglin's earlier design "Uncas".
| Name: Vråken | Alternative name: |
| Plan-ID (S-O L. numbering): B-052 | Owner: SMOS |
| Designer: Arne Berglin | Drawn by: Nils-Erik Hägglund |
| Year designed: 1970 | Wingspan (mm): 1975 |
| Category: Klass A2 | |
| Sources: SMFF, Modellflygnytt 4/1970 | |
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Changed date: 2017-01-22
