Hello,
I hope the image attachment works. Here is my attempt at a kinematic approach first to find what HP motor I needed. Please let me know if I made wrong assumptions. Thank you!
Hello all,
I need to design an automated trap door opener incorporating a motor and at least one of the following: gears, springs, or power screws. It is 36 inches wide and 48 inches long. It is hinged along its width. The door weighs 60 pounds. When closed it is flush with the floor. It must...