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*2021 AND SOME EVENTS ARE BEING PROPOSED. Keep them coming and let us know the details! (amstreasure@googlemail.com)

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;:;


Model Sub Weekend, 28th, 29th August. Bluewater Parkway, Greenhithe, DA9 9

Bournville Sub Day. Sept 2021 is looking likely. More details TBA.

Barrow in Furness Regatta and Sub day. Maybe in Sept 2021. Details TBA.

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Making an 'O' ring EmptyTue Jul 20, 2021 9:31 am by david f

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Making an 'O' ring EmptyMon Jul 05, 2021 10:43 am by david f

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Making an 'O' ring EmptyMon Jun 28, 2021 1:43 pm by Tobyledog

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Making an 'O' ring EmptyFri Jun 25, 2021 5:46 pm by SimonH

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    Making an 'O' ring

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    • Post n°1

    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
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