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Old 14th November 2007, 08:51   #22 (permalink)
Ant Slegg
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Current Rebreather/s:
Ouroboros

Other Rebreather/s:
Ouroboros
 
Join Date: Nov 2005
Location: Grevenmacher, Luxembourg
Posts: 167
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Re: Good Tips and Ideas for Ouroboros Owners

I suspect that the Boris may have two different types of retention ring as the ones I have look to be different from the ones in the photos (and the flat area looks smaller).

The dimensions you see in the image are generated by Adobe (the ruler to the right confirms that they are approximately correct).

Looking at mine there is about 4.5mm of flat area with about 2.1mm of chamfer on the inside. The knurled edge would reduce the available area to drill even further
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Last edited by Ant Slegg : 14th November 2007 at 10:51. Reason: typo
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