# Garage Door Torsion Spring Calculator Sample Plans PDF

Garage door torsion springs for residential and light commercial sectional overhead garage doors. A matched pair of springs can be determined for you by using our Unmatched Springs calculator. How to measure garage door torsion springs. If you are measuring springs on a larger commercial or industrial door and there is not a paint stripe, and if you have a vertical-lift or high-lift garage door, it will probably be easier for you to unwind the springs than to calculate the length of the spring. This page explains how to use our Free Online Torsion Spring Calculator. Our calculator gives you a real time, in dept, spring analysis of your torsion spring which will automatically provide you with your spring’s rate and all the critical dimensions for your spring’s design.

The first thing you need to do if you need to weigh your garage door is to find a scale that you would normally use to weigh yourself. Also you will most likely need a ladder to reach the torsion springs. If you are going to do the work yourself, it is imperitive that you replace your current garage door spring with a comparable torsion spring. Each torsion spring is made to counter balance a certain amount of weight. Oil Tempered MB, O.H. Door Grade Oil Tempered MB, Class I Oil Tempered MB, Class II Input Parameters Lift STD HI VERT Track Radius 12 INCH 15 INCH LHDRM Drum 350-7 400-8 400-12 800-32 4125-10 5250-18 Cable Size 3/32 1/16 Use Coupler Door Width IN. Torsion Spring Calculation Cycles 10 15 25 50 100 Selected Cycle(m) Track Number of Springs 1 2 3 4 5 6 7 8 9 10 11 12 Turns Drum Input Wire Size. Sel, Spring ID, Wire, Length, IPPT, Weight, Remaining Space, Cycle Life Obtained.

Need help calculating garage door torsion spring General Garage Discussion. First thing I want to do is calculate what spring I should have and then calculate what spring I have. Spring calculator for extension, torsion and compression springs. The Springulator Spring Calculator by Newcomb Spring. Web version and free app avail. Opening height (mm) (OH). Opening width (mm) (OW). Total door weight (kg) (DW). Bottom section weight (kg) (BS). -. -. Number of Springs (Nb).