I am looking at this spring by McMaster Carr (p/n 92877k99) which has a torque rating of 5.150 in-lbs. I would assume this would be enough torque? The application requires the head to expand after coming out of a pipe, so it will be preloaded in the pipe (35 degrees) and the spring will fully...
I am trying to calculate what size torsion spring I need to move a 40 lb load. If you look at the following link you can see the application.
http://mysite.verizon.net/tabarr/images/springquote.jpg
I have used the Eng Edge calculator but am not sure if I used it correctly. I have 35 degrees to...
