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2 Bar Linkage Mechanism with “Bird’s Mouth” Lock

Compressed Air Support Strut

  • Considerations

    • Support strut will exert a force that is greater than the force exerted by the mass of the trunk

      • When closed the compressed air support strut is constantly exerting a force that will try to open up the trunk

        • Latch must be able to withstand this force (though this shouldn’t really be an issue unless the support struts being used are overspecc'ed by a large amount - which should not happen)

        • This constant force will result in a residual stress buildup in the mounting area of the trunk

          • Must consider if this will cause elastic / plastic deformation of the trunk panel

          • Must consider if this will potentially damage solar cells

            • We know pressure should not be exerted onto the solar cells from the top - but could pressure from the bottom be an issue?

Purchasing Link

Rated Force

Compressed Length

Extended Length

Price

Notes

https://www.amazon.ca/FURNICA-Close-Telescopic-Spring-Support/dp/B075KV5XCX/ref=sr_1_5?crid=3YC4RIXRSJWQ&dchild=1&keywords=40n%2Bgas%2Bstrut&qid=1603384346&sprefix=40n%2B%2Caps%2C204&sr=8-5&th=1

40N

Through calculation based on drawing: 171mm (End to End)

247mm (Centre to Centre)

269mm (End to End)

$35.60 CAD

These are not soft close - only soft open
-Unlike the description given

Some reviews mention metal mounts are starting to buckle

-Could purchase the struts but make our own mounts

Roof

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Single Sliding Bar Mechanism