Example

10 meter run out above a belay on a rock face results in a 20 meter fall. (10 x 2) 20

10 = 2 Fall Factors, the highest Fall Factor. Example #2

10 meter run out above a belay on a rock face, but with a piece of protection placed at 5 meters resulting in a 10 meter fall. (5 x 2)

10= 1 Fall Factor Example #3

10 meter run out above a belay on a rock face, but with a piece of protection placed at 7.5 meters resulting in a 5 meter fall. (10 - 7.5)= 2.5 x 2 = 5

10= 0.5 Fall Factor

FALL FACTOR EXAMPLES

9 The following table shows the relationship of Fall Factor and Impact Force for a 180-pound climber:

RELATIONSHIP OF FALL FACTOR AND IMPACT FORCES FOR 180 LB CLIMBER

FALL FACTOR

IMPACT FORCE

FALL FACTOR

IMPACT FORCE

0.0

360 lbs

1.0

1676 lbs

0.1

683 lbs

1.2

1817 lbs

0.2

868 lbs

1.4

1947 lbs

0.4

1137 lbs

1.6

2067 lbs

0.6

1347 lbs

1.8

2181 lbs

0.8

1521 lbs

2.0

2288 lbs

NOTE: The less a climber weighs, the less Impact Force the belay has to sustain. The more the climber weighs, the more force is exerted d There are several points that should be considered during a climb to minimize the seriousness of a fall:

HfiThe belayer must always be in a position to withstand an impact force of 2300 lbs. ^^Protection should be placed more frequently during the first half of the climb.

rope should be retired from lead climbing duties.

TRANSITION: We have discussed how to party climb and the considerations for Fall Forces, now let's talk about tactical considerations for military operations.

0 0

Responses

  • Duenna
    What is the fall factor of 180lb man?
    5 years ago

Post a comment