Quote:
Originally Posted by oldndumb
Call it what you want, but you just described an arrangement of two radii of different lengths.
Attachment 5949
Swing arm down, chain tightens.
Swing arm horizontal, chain remains at pre-set slack.
Swing arm up, chain tightens.
That is why the folks at T describe the chain adjust procedure. The recommended slack is derived from the swing arm geometry to prevent excessive chain tension. It is also why it is best to avoid the low range of the spec and adjust slack to the max range.
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Please take another look at the PDF file attached to my original post. It shows the chain becoming slack as the swing arm move up or down.