Thank you Jakko for that manual link.
The Dennis Oliver publication also does not mention the speed at which the turret could be rotated by hand, but was certainly a disadvantage of the design. Wiki footnotes on the M10 attribute Steve Zaloga giving approximately 80 seconds to rotate the turret a full 360 degrees.
About the sloped terrain effects on the function of the vehicle, Dennis Oliver only mentions it made it difficult to rotate the turret when parked on a slope of more than four degrees. This problem was the main reason for adding weight to the turret rear. Initially the counterweight was about 3700 pounds. When a new turret was designed to afford more space to the crew, a new counterweight was also introduced and was lighter at 2500 pounds.
Last edited by Jack Geratic; 21-02-24 at 16:33.
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