Jonker Sailplanes JS-MD 3 - Aerotow and Winch Launching

JS-MD 3
Aircraft Flight Manual
MD10-AFM-00-001
Issue: 01
Rev. 00
Rev. Date: 14-Feb-20
Page 2–15
Aerotow and winch launching
Maximum approved towing speeds and maximum weak link ratings for
the JS-3 are listed in Table 2.12-1.
Launch method
Maximum
speed
Maximum
weak link rating
Winch or ground launch
150 km/h /
81 kts
750 daN
(E.g. Tost weak link #3,
Red)
Aerotow
180 km/h /
97 kts
600 daN
(E.g. Tost weak link #4,
Blue)
Table 2.12-1 Aerotow and winch launching
For aerotow launching:
Tow rope length
15 m & 18 m Configurations
Approved
40 to 60 m (131 to 197 ft)
Recommended
45 to 55 m (148 to 180 ft)
Table 2.12-2 Tow rope length
NOTE: Only textile ropes may be used for aerotow launching.