A device is to be hydraulically loaded to resist an upward pressure P = 600 psi as shown in Figure P11-18. Determine the thickness of the device such that the maximum deflection is 0.1 in. vertically and the maximum stress is less than the yield strength using a factor of safety of 2 (only on the stress). The device must fit in a space 7 in. high, 3 in. wide, and 2.3 in. deep. The top flange is bent vertically as shown, and the device is clamped to the floor. Use steel for the material?

Figure P11-18 Hydraulically loaded device (dimensions in inch units)

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1.8 6.2 0.80 -2.3- -3.0- 0.80 0.80 Section A-A