This calculator will calculate height h of a scissor lift like shown in diagram below. User need onlyenter the length l of the scissor arms. If desired, you can enter the speed in RPMs of the shaft thatdrives the screw, and the time to move a given distance will also be calculated.

length l 5

if output RPM is 648 with pitch of 20 turns/inch, it will take

3Time to move in seconds

The height will be d will be from 10 deg from 90 deg10 0.868240888334652 2.60472266500395 4.924038765 0 9.1185920 1.71010071662834 5.13030214988503 4.698463104 0.4177327058 8.70085830 2.5 7.5 4.330127019 1.09983656692 8.01875445 3.53553390593274 10.6066017177982 3.535533906 2.57130529468 6.54728560 4.33012701892219 12.9903810567666 2.5 4.48896067604 4.6296370 4.69846310392954 14.0953893117886 1.710100717 5.95173712673 3.16685380 4.92403876506104 14.7721162951831 0.868240888 7.51073680875 1.60785390 5 15 3.06162E-16 9.11859030567 0

Number of scissor levels

Given an angle of (in degrees)

Given number of levels, total height will be

1.851852 seconds to move d=1 inch.

from 90 deg