This Sigurd Isacson-design took second place in the 1942 KSAK design competition for a beginners glider (the winner was Börje Stark's KSAK-1). The model was named "Pantern" (the Panther) and was kitted by Wentzels.
In the october 1944 issue of "Svensk Flygtidning", Sigurd described a number of modifications which improved the performance considerably.
| Name: Pantern | Alternative name: |
| Plan-ID (S-O L. numbering): B-015 | Owner: SMOS |
| Designer: Sigurd Isacson | Drawn by: |
| Year designed: 1942 | Wingspan (mm): 1000 |
| Category: Klass S1 | |
| Sources: Wentzels | |
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Changed date: 2016-09-03
