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Repeatability – Or is it bearing heating? 0 15000 37000 288000 10 files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see.

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Presentation on theme: "Repeatability – Or is it bearing heating? 0 15000 37000 288000 10 files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see."— Presentation transcript:

1 Repeatability – Or is it bearing heating? files run consecutively at 250 rpm, no field 1 st file includes ramp up to speed (see right) The other files torque plots just look like >37000 Then the same at T

2 1 – 50000: Av torque is: Av torque stdeev is:

3 1 – : Av torque is: Av torque stdeev is:

4 15000 – 37000: Av torque is: Av torque stdeev is:

5 1: Av torque is: Av torque stdeev is:

6 2: Av torque is: Av torque stdeev is:

7 3: Av torque is: Av torque stdeev is:

8 4:Av torque is: Av torque stdeev is:

9 5:Av torque is: Av torque stdeev is:

10 6:Av torque is: Av torque stdeev is:

11 7:Av torque is: Av torque stdeev is:

12 8:Av torque is: Av torque stdeev is:

13 9:Av torque is: Av torque stdeev is:

14 10: Av torque is: Av torque stdeev is:

15 1: – 37000, Av torque is: Av torque stdeev is: No B-field With B-field

16 9:Av torque is: Av torque stdeev is: B:Av torque is: Av torque stdev is:

17

18

19 2

20 3

21 4

22 5

23 6

24 7

25 8

26 9

27 10

28 Resonances: 174, 225, 345, 700

29 Field on vs Field off

30 speedsweepav tortor stdev Ω vs Torque at T

31 2

32 3

33 4

34 5

35 6

36 7

37 8

38 9

39 10


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