How to Calculate Scissor Lift Length
The length of a scissor jack lift is proportional to the support weight of the scissors and the integrity of the steel cross sections over the length. The scissor structures weight and length are corollaries, meaning that the former determines the latter for a stable scissor jack. An extreme example of this to illustrate the point would be a 20-foot lift length which is featherweight made from Styrofoam which is practically weightless. It certainly will not be able to support at much of a height and will not be able to support much at all.
In order to calculate scissor lift length, determine how high in the air you have to support a platform that would support of the weight of the objects and occupants on the platform as well as the platform's weight.
The number of cross-sections of scissor folding supports sections that will be required to be extended at their full extension in order to reach the needed height within the weight support parameters. Finally, you will never want to ascend some employees up on a platform with their materials that is on a platform supported by any kind of structure that is unstable since obviously any machine that is prone to tipping would put people in an extremely dangerous situation.
Each and every cross section must be weighed to determined the overall length and weight of the scissor lift in addition to the overall stability of the machine. When entirely extended, determine the angle between the scissor arms measured against the horizontal or ground level.