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


Machine Design

Engineering Design

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28 Feb 2012
File Size: 118.78 Kb
Downloads: 54
File Version: 1.0
File Author: John Thistleton
File Rating (5/1)

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Comments: 1
johndoyle[admin] 12 years ago
Thanks for your debut calculation John. I have awarded a free six month XLC Pro subscription by way of thanks. [Admin]
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