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Arm Tests

The arm is mounted on the test box using the original shoulder load cell. In most of the tests, the notch of the arm is in the 40 degree position. The load cell is then rotated so that the arm in each test is in a vertical position. For a different notch of the arm adjustment, only the shoulder load cell is rotated. The figure below shows the three pendulum positions used for the arm tests. In the table below all test setup configurations are listed.

Arm_Test

Half arm test setup with all pendulum positions

 

 
Test Shoulder Load Cell Angle Target Point Velocities
1 48 degree A 2 m/s and 4 m/s
 2 48 degree B 2 m/s and 4 m/s
 3 48 degree C 2 m/s and 4 m/s
 4 8 degree B 2 m/s and 4 m/s
 5 8 degree, middle bearing modified B 4 m/s and 6 m/s
 

 

Test number 5 is done by using a reduced distance between the middle bearing and the arm. Target is that the arm hits the middle bearing after bending.

 

The results of all tests are shown in the following figures:

 

Results - Target point A, 2 m/s velocity, 48 degree load cell position 


Arm_Test_-48deg_Vel2_A

 

Results - Target point A, 4 m/s velocity, 48 degree load cell position


Arm_Test_-48deg_Vel4_A


 

Results - Target point B, 2 m/s velocity, 48 degree load cell position


Arm_Test_-48deg_Vel2_B


 

Results - Target point B, 4 m/s velocity, 48 degree load cell position


Arm_Test_-48deg_Vel4_B

 

 

Results - Target point C, 2 m/s velocity, 48 degree load cell position


Arm_Test_-48deg_Vel2_C
 

 

Results - Target point C, 4 m/s velocity, 48 degree load cell position


Arm_Test_-48deg_Vel4_C


 

Results - Target point B, 2 m/s velocity, 8 degree load cell position


Arm_Test_8deg_Vel2_B


 

Results - Target point B, 4 m/s velocity, 8 degree load cell position


Arm_Test_8deg_Vel4_B


 

Results - Target point B, 4 m/s velocity, 48 degree load cell position and modified middle bearing

 

Arm_Test_8deg_Vel4_B_E

 

 

Results - Target point B, 6 m/s velocity, 48 degree load cell position and modified middle bearing

 

Arm_Test_8deg_Vel6_B_E