Comparsion chart of impact force at dynamic testing of LARA (made of dynamic rope) and standard LANYARD “I” (made of static rope).
| sample | testing mass |
fall factor |
length of fall |
max. impact force |
| LANYARD “I” (static 60 cm) | 100 kg 100 kg |
0.5 1 |
0.3 m 0.6 m |
8 kN 14 kN |
| LARA (dynamic 60 cm) | 100 kg 100 kg |
0.5 1 |
0.3 m 0.6 m |
5.7 kN 8.02 kN |
| LANYARD “I” (static 150 cm) | 100 kg 100 kg |
0.5 1 |
0.75 m 1.5 m |
10 kN 13.9 kN |
| LARA (dynamic 150 cm) | 100 kg 100 kg |
0.5 1 |
0.75 m 1.5 m |
5.73 kN 8.4 kN |
| LANYARD “I” (static 200 cm) | 100 kg 100 kg |
0.5 1 |
1 m 2 m |
11.05 kN 16 kN |
| LARA (dynamic 200 cm) | 100 kg 100 kg |
0.5 1 |
1 m 2 m |
5.78 kN 8.39 kN |
Elaborated:
SINGING ROCK s.r.o.
Dalibor Plíšek
Customer Service Manager