Adjustments
There were a few minor adjustments to the original design laid out by the detailed drawings. Correct changes have been made and noted to final drawings. Changes such as; size of mounting holes on both seat and base plates, deciding to tack together the mounting pins to angles (instead of fully welding), and addition of track guides for the jack legs to follow while completing its full cycle of motion. Some other small changes have been made to make the assembly and manufacturing processes come together more smoothly which will minimize time and cost overall during building of the device.
Testing Results
Test 1: Torque needed to lift given load
Torque needed 100 lbs 150 lbs 200 lbs 250 lbs 300 lbs
To start lift Did not read 4.5 ft∙lbs 6.6 ft∙lbs 8.6 ft∙lbs 9.8 ft∙lbs
To cont. lifting Did not read 4.5 ft∙lbs 6.6 ft∙lbs 8.6 ft∙lbs 9.8 ft∙lbs
Test 2: Time of full cycle of movement.
Average
25.9 sec
Test 3: Size requirement.
Height: 5 6/8th inches.
Width: 18 inches.
Length: 18 inches.
Test 4: Angle and height of lift provided requirement.
Angle of Lift: 70-75 degrees.
Height of lift: 8 in.