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Grantham MBC Sub Day, Sunday 14th August 2022

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» 27Mhz - Radio Ideas
Making an 'O' ring EmptySat Aug 13, 2022 4:21 pm by C-3PO

» Grantham Model Sub Day, Sunday 14th August 2022
Making an 'O' ring EmptyFri Aug 12, 2022 2:48 pm by david f

» 915mhz / 868mhz as a viable frequency for submarines.
Making an 'O' ring EmptyTue Aug 09, 2022 11:05 pm by tsenecal

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Making an 'O' ring EmptyThu Aug 04, 2022 1:51 pm by david f

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Making an 'O' ring EmptySun Jul 24, 2022 4:52 pm by timgarrod

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Making an 'O' ring EmptySun Jul 24, 2022 2:08 pm by geofrancis

» WW2 mini sub build
Making an 'O' ring EmptyWed Jul 20, 2022 4:12 pm by david f

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Making an 'O' ring EmptyTue Jul 19, 2022 1:51 am by geofrancis

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    Making an 'O' ring

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    Making an 'O' ring Empty Making an 'O' ring

    Post  Resolution Rog Fri Mar 11, 2011 9:29 pm

    I am making 'O' rings for end caps for WTC's. the dia of the end cap is approx 100mm. I am using 3mm 'O' ring material and remember that it's 3xdia + dia of ring (3mm in this case) Question is when calculating the main dia, is it the dia of the end cap where it fits into the tube, or the dia at the base of the grove? thanks Roger

      Current date/time is Mon Aug 15, 2022 11:08 am