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Timeline for Air pressure under water

Current License: CC BY-SA 3.0

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Feb 23, 2018 at 18:22 comment added DLS3141 @ericnutsch “usually”. Regardless, something will be required to provide a locking function.
Feb 23, 2018 at 18:20 comment added ericnutsch @DLS3141, A high gear ratio actuator like this is usually a worm drive and doesn't require additional locking.
Feb 22, 2018 at 13:41 comment added DLS3141 Keep in mind too that the system will not only have to move the plunger, but there will either need to be a shutoff valve on the water inlet to the plunger or the acuator will have to lock the plunger in place continually.
Feb 19, 2018 at 19:03 comment added Jonathan R Swift Good citation - recommendation of safety factor in calculation also important.
Feb 19, 2018 at 19:00 comment added ericnutsch @Jonathan R Swift, Added citation in answer.
Feb 19, 2018 at 18:57 history edited ericnutsch CC BY-SA 3.0
added requested reference and explanation; added 17 characters in body
Feb 19, 2018 at 15:43 comment added Jonathan R Swift citation/calculation needed for "It will probably be around 5 Newtons". Suggestion to use Linear Actuator instead of DC Motor is good.
Feb 19, 2018 at 12:23 history edited ericnutsch CC BY-SA 3.0
added 200 characters in body
Feb 19, 2018 at 11:57 history answered ericnutsch CC BY-SA 3.0