Litespeed S - Specifications
|
Litespeed S 3 |
Litespeed S 3.5 |
Litespeed S 4 |
Litespeed S 4.5 |
Litespeed S 5 |
| Area |
12.9 sq.m
139 sq.ft. |
13.6 sq.m
146 sq.ft. |
14 sq.m
151 sq.ft. |
14.4 sq.m
155 sq.ft. |
14.8 sq.m
159 sq.ft. |
| Span |
9.7 m
31.8 ft |
10 m
32.8 ft |
10 m
32.8 ft |
10.4 m
34 ft |
10.4 m
34 ft |
| Nose Angle |
130-132 degrees |
130-132 degrees |
130-132 degrees |
130-132 degrees |
130-132 degrees |
| Aspect Ratio |
7.3 |
7.5 |
7.3 |
7.6 |
7.4 |
| Glider Weight * |
32 kgs
71 lbs |
33.6 kgs
74 lbs |
33.6 kgs
74 lbs |
34.5 kgs
76 lbs |
34.5 kgs
76 lbs |
| Optimal Pilot Weight |
55 kgs
121 lbs |
68 kgs
150 lbs |
75 kgs
165 lbs |
85 kgs
187 lbs |
90 kgs
198 lbs |
| Hook-In-Weight |
60-80 kgs
132-176 lbs |
68-109 kgs
150-240 lbs |
68-109 kgs
150-240 lbs |
75-120 kgs
165-265 lbs |
75-120 kgs
165-265 lbs |
| Packed Length |
4900 mm
16.1 ft |
4950 mm
16.2 ft |
4950 mm
16.2 ft |
5150 mm
16.9 ft |
5150 mm
16.9 ft |
| Packed Length - Short |
3800 mm
12.5 ft |
4330 mm
14.2 ft |
4330 mm
14.2 ft |
4500 mm
14.8 ft |
4500 mm
14.8 ft |
| Centre of Gravity (Front of Keel) ** |
1310 mm
51.6 inches |
1343 mm
52.9 inches |
1353 mm
53.3 inches |
1360 mm
53.5 inches |
1370 mm
53.9 inches |
| Number of Battens |
|
|
|
|
|
| Top |
12 |
23 |
23 |
23 |
23 |
| Bottom |
6 |
6 |
6 |
6 |
6 |
| VNE |
85 kph
53 mph |
85 kph
53 mph |
85 kph
53 mph |
85 kph
53 mph |
85 kph
53 mph |
| VA |
74 kph
46 mph |
74 kph
46 mph |
74 kph
46 mph |
74 kph
46 mph |
74 kph
46 mph |
| Trim Speed |
34 kph
21 mph |
34 kph
21 mph |
34 kph
21 mph |
34 kph
21 mph |
34 kph
21 mph |
| Stall Speed *** |
26 kph
16 mph |
26 kph
16 mph |
26 kph
16 mph |
26 kph
16 mph |
26 kph
16 mph |
| Maximum Speed |
124 kph
77 mph |
124 kph
77 mph |
124 kph
77 mph |
124 kph
77 mph |
124 kph
77 mph |
| Best Glide Speed |
45 kph
28 mph |
45 kph
28 mph |
45 kph
28 mph |
45 kph
28 mph |
45 kph
28 mph |
| Best Glide Angle |
15:1 |
15:1 |
15:1 |
15:1 |
15:1 |
| Glide Angle 10:1 |
74 kph
46 mph |
74 kph
46 mph |
74 kph
46 mph |
72 kph
45 mph |
72 kph
45 mph |
* Glider Weight is measured from the standard glider. Some options will decrease glider weight by up to 2kgs.
** Quoted Centre of Gravity measurement is for Mylar sails. For Dacron sails, subtract 10mm.
*** Measured at Optimal Pilot Weight
Features
- Light predictable handling for easy control in heavy Traffic.
- Reduced airframe weight.
- A tight wrinkle free sail with minium twist providing superior glide performance.
- Improved pitch stability and tumble resistance providing uncompromised safety.
- A spar utilising pre-impregnated carbon fibre to ensure the best possible strength and structural consistency.
Polar
The below data represents the approximate polar setting for various Litespeed S's.
| |
Litespeed S 3 |
Litespeed S 3.5 |
Litespeed S 4 |
Litespeed S 4.5 |
Litespeed S 5 |
Minimum
Sink Point: |
|
|
-0.9m/s @ 40km/h |
|
-0.9m/s @ 37km/h |
| High
Speed Point: |
|
|
-2.5m/s @ 80km/h |
|
-2m/s @ 74km/h |
These numbers are for a clean harness... if your harness is boxy, add 0.2m/s to the sink rate at high speed.
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