over-centre test bosses
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over-centre test bosses |
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Navigation & Acknowledgements |
3 pictures on this page - scroll down to see the rest
over-centre test bosses: 2015-08-27
Lumix DMC-FT1
I machined these test bosses from pieces of round aluminium bar. At the right-hand end each one has a 3/8" diameter boss to match the diameter of the LG04 pivot pin through the LG02 swinging arm. The piece on the left fits into the bore of the upper pivot (LG09) and the other one fits over the head of the clevis pin forming the pivot between LG08 and LG05. With both bosses in place, a straight-edge can be laid against the forward and aft faces of all 3 projecting 3/8" diameters to determine whether the linkage is over-centre.
test bosses on retract system: 2015-08-27
Lumix DMC-FT1
The test bosses fitted to LG09 (top red arrow) and to the head of the clevis pin through LG08 & LG05 (middle red arrow). The bottom red arrow indicates the port end of the LG04 pivot pin through the LG02 swinging arm.
test bosses on retract system: 2015-08-27
Lumix DMC-FT1
Looking up past the port end of the LG04 pivot pin fitted in the LG02 swinging arm (foreground, out of focus) with the 2 test bosses behind it, on the head of the clevis pin through LG08 & LG05 and in the bore of LG09.
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