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| LAK 17B The LAK 17B is Sportine Aviacija's latest design with a completely new 4 piece wing specifically designed for the 18m class with a maximum All Up Weight of 600kg. 
The new wing provides very good climbing performance especially at higher wing loadings. With an empty weight of 260kg and a maximum takeoff weight of 600kg, the LAK 17B provides a wing loading ranging from 32 kg/m2 up to 58kg/m2. | Sailplane | LAK-17B | LAK-17B Turbo | | Wing span, m | 15 | 18 | 15 | 18 | | Wing area, m2 | 9,18 | 10,32 | 9,18 | 10,32 | | Wing aspect ratio | 24,51 | 31,39 | 24,51 | 31,39 | | Fuselage length, m | 6,53 | 6,53 | 6,53 | 6,53 | | Height, m | 1,322 | 1,322 | 1,322 | 1,322 | | Empty mass approx. kg | 250 | 260 | 296,4 | 306,4 | | Max TOW, kg | 550 | 600 | 550 | 600 | | Max TOW without ballast, kg | 360 | 370 | 416,4 | 426,4 | | Water ballast (wings), kg | 160 | 200 | 133,6 | 173,6 | | Water ballast (fuse-option), kg | 30 | 30 | | | Fuel, l
| | | 8 | 8 | | VNE, km/h | 270 | 270 | 270 | 270 | | VA, km/h | 205 | 205 | 205 | 205 | | Best L/D with mx TOW | | | | | | Pilot max weight, kg | 110 | 110 | 110 | 110 | | Pilot min weight, kg | 70 | 70 | 70 | 70 | | Wing loading, kg/mm2: | | | | | | minimum | 34,85 | 31,97 | 39,91 | 36,47 | | maximum | 59,91 | 58,13 | 59,91 | 58,13 |
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