User contributions for Jonestownjohn

5 January 2020

• 14:1614:16, 5 January 2020 diff hist +4 Pressure exchanger Changed flow rates to flow volumes. Pressure times volume is energy, pressure times flow rate (e.g. liters/min) is power. To preserve the use of "energy" elsewhere I changed rate to volume.

14 February 2017

• 19:0819:08, 14 February 2017 diff hist +300 N User talk:2602:306:33A3:EE90:25F4:1E75:E289:956B ←Created page with 'Will some knowledgeable person add to or change the content to reflect that this might be a live-bearing, not an egg-laying creature? <ref>http://www.bbc.com/new...' current

7 October 2013

• 14:5714:57, 7 October 2013 diff hist +72 Polyetherimide PEEK has higher use temp than Ultem, added ref to comparison table in McMaster Carr