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Thread: Sheaffer Imperial 4 Sac Size ?

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    Default Sheaffer Imperial 4 Sac Size ?

    Hi all

    A quick question I hope

    Anyone know what the correct Ink Sac size is for the Sheaffer Imperial IV

    My usual supplier of these things supplies a Necked #15 in their Touchdown kit which I find far to small for the Imperial IV Touchdown, I find it to be more like a standard #16.

    For those of you who do these what size sac are you using

    Her is a photo showing the Necked #15 against the nipple on the Imperial IV

    IMG_20190419_122124 (Copy).jpg
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    Last edited by Paul-H; April 21st, 2019 at 12:42 AM.

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    Default Re: Sheaffer Imperial 4 Sac Size ?

    The "necked" portion looks too small. It has to be either a regular 15 or 16. Can you not measure the nipple?
    It almost looks like it might adapt to a regular converter.
    Regards, Chrissy | My Blog: inkyfountainpens

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    Default Re: Sheaffer Imperial 4 Sac Size ?

    The nipple measures between a #16 & #17.

    Looks to like it would take a standard 16 and I have some on order to test, I was just concerned about sac wall thickness on a standard sac compared to a touchdown sac is it thin enough to work. Or are they all The same, standard, touchdown, snorkel?

    Paul

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    Default Re: Sheaffer Imperial 4 Sac Size ?

    With the necked sacks are they measuring the thin necked end or the wider end, as the one shown above is #15 necked and the neck is much smaller than a standard #15

    Paul

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    Default Re: Sheaffer Imperial 4 Sac Size ?

    Quote Originally Posted by Paul-H View Post
    The nipple measures between a #16 & #17.

    Looks to like it would take a standard 16 and I have some on order to test, I was just concerned about sac wall thickness on a standard sac compared to a touchdown sac is it thin enough to work. Or are they all The same, standard, touchdown, snorkel?

    Paul
    I don't know if their sac wall thickness changes between standard and touchdown. You could send them an email and ask. I thought they were the same when I last bought a kit.
    Regards, Chrissy | My Blog: inkyfountainpens

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