LAK-20T is an open class two-seater glider designed to meet the latest standards of the gliding industry. Glider is of normal aerodynamic configuration with "T" tail and wings slightly swept forward. Due to changeable wingtips, glider can have 23m or 26m wingspan. Our latest achievements in engineering and aerodynamics allowed us to design wing with very high aspect ratio, which made possible to improve glider performance to the new levels.
Glider is made of modern composite materials using already known LAK brand technologies such as use of pultruded carbon rods for the wing spar construction and others.
Glider construction allows installation of the power plant.
Self-sustaining (LAK-20T) versions so called "turbo" is powered with SOLO 2350C engine (reduction gearing 1:1,56)
Self-launching (LAK-20M) version is planned with powerful SOLO 2625 02 engine.
| TECHNICAL DATA AND PERFORMANCES OF THE LAK-20T |
| Wing span |
23 m |
26 m |
| Wing aspect ratio |
34,15 |
41,25 |
| Wing area |
15,49 m2 |
16,4 m2 |
| Fuselage length |
8,65 m |
8,65 |
| Fuselage width |
0,72 m |
0,72 |
| Fuselage height |
1,011 m |
1,011 m |
| Tail span |
3,112 m |
3,112 m |
| Empty weight approx |
479 kg |
485 kg |
| Max. gross weight |
825 kg |
850 kg |
| Wing loading with 80 kg loading |
36,09 kg/m2 |
34,77 kg/m2 |
| Max. wing loading |
53,26 kg/m2 |
52,31 kg/m2 |
| VNE |
275 km/h |
275 km/h |
| L/D Max. |
55 |
60 |
| LAK-20M 23/26m - AIR SPEED DATA & LOADING PLACARD |
| Speed IAS: |
km/h |
kts |
| Never exceed VNE |
275 |
148 |
| Rough air VRA |
205 |
110 |
| Manoeuvring VA |
205 |
110 |
| Aerotow VT |
160 |
86 |
| Winch-launch VW |
140 |
76 |
| Landing gear oper. VL |
205 |
110 |
| Power-plant oper. VPE |
160 |
86 |
| Max. engine ext/ret VPOmax |
110 |
60 |
| Min. engine ext/ret VPOmax |
90 |
49 |
| Masses and loads |
kg |
lbs |
| Max. mass with water ballast |
825/850 |
1818/1874 |
| Max. cockpit load |
180 |
396,8 |
| Min. cockpit load |
70 |
154 |
| Recomended weak link |
1084 daN |
2436 lbs |
| Aerobatic manoeuvres not permitted |
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