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techtalk:ref:engmech04e [2019/10/28 02:57] hippysmack [Building Your Own Slack Tube] |
techtalk:ref:engmech04e [2019/10/28 03:23] hippysmack [Testing from timing plug hole (57-03)] |
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The slack tube below is made from 1/8" clear Tygon vinyl tubing and a 2x4 app 3 feet long. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | The slack tube below is made from 1/8" clear Tygon vinyl tubing and a 2x4 app 3 feet long. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
The backing plate is a 2x4 with an aluminum 36" ruler attached with drywall screws. \\ | The backing plate is a 2x4 with an aluminum 36" ruler attached with drywall screws. \\ | ||
+ | The two rulers below (right pic below) show the measurements on the wooden ruler to be 1/8“ longer than the steel one in a 36” run. \\ | ||
+ | Ambient temps can also shrink or expand the ruler whether wooden or aluminum so that has to be taken into account of subsequent tests. \\ | ||
- | {{:techtalk:ref:engmech:homemade_slack_tube_3_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | + | {{:techtalk:ref:engmech:homemade_slack_tube_3_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:tools:checking_ruler_cailbration_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) \\ |
- | Drywall screws are also used to bind the hose between the ruler and the shank using the screw head to hold the hose down. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | + | The drywall screws were also used to bind the hose between the ruler and the shank using the screw head to hold the hose down. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ |
The black connector at the top is a cut down spark plug boot used as a sleeve for the hose connections. \\ | The black connector at the top is a cut down spark plug boot used as a sleeve for the hose connections. \\ | ||
(technically if you buy enough length of hose, you don't need the connector) \\ | (technically if you buy enough length of hose, you don't need the connector) \\ |