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post #1 of 5 Old 05-31-2013, 10:59 PM Thread Starter
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kitless fountain pen

A while back, a penmaker on the IAP and Fountain Pen Network organized a group-buy of taps for the Esterbrook renew-point fountain pen nib units, and I joined in.

It took me a couple of attempts to make this work, but I finally managed to make a nib section that holds the nib unit in one end and a cartridge-converter in the other, and hasn't let go of either in a couple of days testing.

I decided to try making the clip-ring hidden, but experimenting on some scrap acrylic pieces taught me that none of my existing tools were fine enough to cut the groove that the ring seats in. I have a couple of old files that I'd repurposed as scrapers, I ground down the tang of one of these into a very narrow square-end scraper -- it did the job nicely.

Cap-barrel threads are 12mm x 0.75, barrel-section threads 9mm x 0.75. The cap posts (but I forgot to take a photo of it posted). Thanks for looking.

kitless fountain pen-imgp5641.jpg

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kitless fountain pen-imgp5646.jpg

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post #2 of 5 Old 05-31-2013, 11:05 PM
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Quote:
Originally Posted by duncsuss
A while back, a penmaker on the IAP and Fountain Pen Network organized a group-buy of taps for the Esterbrook renew-point fountain pen nib units, and I joined in.

It took me a couple of attempts to make this work, but I finally managed to make a nib section that holds the nib unit in one end and a cartridge-converter in the other, and hasn't let go of either in a couple of days testing.

I decided to try making the clip-ring hidden, but experimenting on some scrap acrylic pieces taught me that none of my existing tools were fine enough to cut the groove that the ring seats in. I have a couple of old files that I'd repurposed as scrapers, I ground down the tang of one of these into a very narrow square-end scraper -- it did the job nicely.

Cap-barrel threads are 12mm x 0.75, barrel-section threads 9mm x 0.75. The cap posts (but I forgot to take a photo of it posted). Thanks for looking.
That is sweet, great job

Aaron Davies
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post #3 of 5 Old 05-31-2013, 11:51 PM Thread Starter
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thanks Aaron

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post #4 of 5 Old 06-01-2013, 08:03 AM
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I am impressed that you are able to turn such fine threads. I expect some materials will work better than others.

No surprise that it took "a couple" of attempts.

Nice looking pen. Well done.
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post #5 of 5 Old 06-01-2013, 11:45 AM Thread Starter
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Originally Posted by Dave Paine View Post
I am impressed that you are able to turn such fine threads. I expect some materials will work better than others.

No surprise that it took "a couple" of attempts.

Nice looking pen. Well done.
Thanks

I used taps and dies to cut the threads, lubed with a spritz of aerosol cooking oil. Acrylic acetate takes the threads well, as does ebonite.

I've tried Corian ... it's a challenge -- the threads cut, but it didn't tolerate such thin wall thicknesses, simply cracked up as I was tapping the inside threads. I gave up trying to make the nib section from that, but I'm making a barrel and cap from it and it won't beat me.

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