Hatch_Strut

Calculation for specifying spring strut to assist opening of horizontally hinged hatch.
1. All angles are specified from downward vertical, positive in clockwise direction.
2. Specify positions for centre of gravity, handle position and strut attachment to hatch.
3. Specify
4. Specify spring strut load with respect to fitted length.
5. Output is tangential load at handle (positive is clockwise pull, negative is clockwise push)

Calculation Reference
Mechanics
Machine Design
Engineering Design