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Sac Sizes For Waterman W3 And Conway Stewart 75

bladder sac waterman conway stewart repair

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#1 adeleg


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Posted 13 December 2015 - 22:35


I just purchased a Waterman w3 and a Conway Stewart 75 on Ebay ; the bladders need to be changed, but I don't have the pens yet, and I want to order bladders now so that I might receive everything around the same time.


I looked for the dimensions online and did a search on this website, but I couldn't find for sure what size sac I should use. Some recommended sizes 16 or 18 for the w3, and one recommended the 18 for the CS 75. Is the sac size a bit flexible, do you think for example I could order sizes 17 for both pens?

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  • w3.jpg
  • cs75.jpg

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#2 pen lady

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Posted 13 December 2015 - 22:51

If you are getting into re-sacing pens, why don't you order a range of sacs in various sizes? A few 14s, and more 16,17 (if you can get them) and 18s. You'll use them.

Also tagged with one or more of these keywords: bladder, sac, waterman, conway stewart, repair

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