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Piston Filler Ink Starvation...

WJM

By WJM
in Fountain & Dip Pens - First Stop

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WJM Extremely Rare

WJM

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My FPR Jaipur with ebonite feed and Hero stub nib has serious ink starvation problems. It writes, quite wet even, for less than full A5 page. Then it suddenly goes completely dry within one word. A few light shakes of the pen, a few taps of nib to the paper, and it writes wet again, just to do the same thing a few lines after.

 

I flushed it with water/dishsoap solution more than once and that did nothing. The feed looks OK to me. If this was a c/c pen I would assume it's a problem with air bubbles or the converter, but FPR Jaipur is a piston filler.

 

I've never had such problem with any piston filler, or any other pen filled directly to the barrel, so I'm lost with this one.

 

What could be the cause of that?

 

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A Smug Dill Museum Piece

A Smug Dill

Posted
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Does that happen with different inks, or just a particular one?

I endeavour to be frank and truthful in what I write, show or otherwise present, when I relate my first-hand experiences that are not independently verifiable; and link to third-party content where I can, when I make a claim or refute a statement of fact in a thread. If there is something you can verify for yourself, I entreat you to do so, and judge for yourself what is right, correct, and valid. I may be wrong, and my position or say-so is no more authoritative and carries no more weight than anyone else's here.

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james3paris Rare

james3paris

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I would take out the piston and apply silicone grease or Vaseline will do. Fully clean it first and look for cracks....good luck...

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dkreider Near Mint

dkreider

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Posted (edited)

I would take out the piston and apply silicone grease or Vaseline will do. Fully clean it first and look for cracks....good luck...

If there was an air leak, I think the pen would be writing extremely wet, rather than running dry. Sounds more like an issue with the air-ink exchange in the feed.

Edited by dkreider
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dkreider Near Mint

dkreider

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I have had this issue with a couple of Noodler's Ahab and Creeper pens. These both have ebonite feeds, and my fix was to take a razor blade to cut the primary ink channel wider and/or deeper. Bear in mind, Noodler's sells replacement feeds, so I wasn't too worried (I don't know if you are comfortable doing this with your pen). Another time I restored a vintage pen that had a broken feed by sanding/carving a Noodler's feed to make it fit. Of course, both of these methods require removal of the feed, which can cause the ebonite to break. Mr. Tardif from Noodler's made a video once on how to cut the ink channel deeper using a rotary tool, which is probably better than any sort of knife. Use razor blades at your own risk!

Best of luck.

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wallylynn Collectors Item

wallylynn

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I noticed the ebonite feeds of my noodlers pens didn't line up with the nib. You have to line up the *channel* with the tip/slit. Don't rely on the point. Seeiif that helps. Later I carved the point to match.

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dkreider Near Mint

dkreider

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I noticed the ebonite feeds of my noodlers pens didn't line up with the nib. You have to line up the *channel* with the tip/slit. Don't rely on the point. Seeiif that helps. Later I carved the point to match.

I had one like that!

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