TSU Sizing Example: Sine/Cosine Functions Degrees Sine Sine Cosine 0 .0000 Cosine Degrees 1.000 50 .7660 .6428 5 .0872 .9962 55 .8192 .5736 10 .1736 .9848 60 .8660 .5000 15 .2588 .9659 65 .9063 .4226 20 .3420 .9397 70 .9397 .3420 In case 2 below, T=150 lb, X=180˚, Y=30˚, w=50 lb 25 .4226 .9063 75 .9659 .2588 then 30 .5000 .8660 80 .9849 .1736 L=2Tsin (X/2)(cos Y + sin Y) + w/2 35 .5736 .8192 85 .9962 .0872 L=2(150)sin 90˚ (cos 30˚ + sin 30˚) + 25 40 .6428 .7660 90 1.000 .0000 45 .7071 .7071 L=2(150)(1)(.866 + .500) + 25 Load Cells & Readouts To properly size any TSU model load cell select the case (which resembles your application) from the examples shown below. Using your known maximum tension, roll weight and angles as shown, apply the equation to calculate a "load rating" L. Select a load cell with a load rating greater than that calculated. L=435 lb Select a TSU2-500 Load Cell Load Cells & Readouts 75