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New Bock Feed-Poor Flow


Lloyd

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I received a Bock nib/feed with my new Ranga. I've aligned the tines so that, when there's flow, it's very smooth (both sides of the nib) but the flow isn't good. The comb is always 100% dry and I can't pause for more than ~15 seconds without the flow stopping. Once it's stopped, scribbling (maybe with a bit of pressure) restarts it pretty quickly. If I write quickly, it seems to keep up. I've taken it apart and washed the feed with soapy water and I've blow air through the feed tube (via my mouth). The feed is all the way in ( I compared to my CONID). Any suggestions?

"Anyone who lives within their means suffers from a lack of imagination."

Oscar Wilde

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The only other thing I can think of is running a shim between the tines.

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I had a similar problem. It was because the nib/feed was not correctly aligned in the housing. If you remove the nib/feed from the housing, and look carefully at the mouth of the housing, you will notice that it not completely round. There is a subtle, hmm, lip, around half of the circumference. Top of the nib/feed goes where there is no lip.

 

Assuming, of course, that it is a Bock housing

 

Might help. Solved the ink starvation problem for me.

Add lightness and simplicate.

 

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My most recent Bock nib (an EF) arrived misaligned and with a significant gap between the tines. This caused some hard starts and skipping till I fixed it.

 

A nice pic of the inside of a Bock nib assembly 'sleeve' - the nib should go in the top 'semicircle' where the sleeve is visibly a little slimmer:

 

fpn_1521151739__bock_assembly.jpg

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All the above suggestions (and more, like cleaning and trying a few different inks...not at once) were tried but there's still very inconsistent flow. :(

"Anyone who lives within their means suffers from a lack of imagination."

Oscar Wilde

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Did you force some water through the nib&feed with the ear bulb thingie? Maybe with some detergent added. Also, if you take the feed out, maybe scrape it gently, to remove any possible debris. Has worked for me with a recently arrived stubborn Asa...

a fountain pen is physics in action... Proud member of the SuperPinks

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I tried the earbulb & detergent. I haven't tried scraping...yet.

"Anyone who lives within their means suffers from a lack of imagination."

Oscar Wilde

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I agree it's a sort of last resort - after flossing between the tines. Let us know if it helps when you do...

a fountain pen is physics in action... Proud member of the SuperPinks

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I had a similar problem. It was because the nib/feed was not correctly aligned in the housing. If you remove the nib/feed from the housing, and look carefully at the mouth of the housing, you will notice that it not completely round. There is a subtle, hmm, lip, around half of the circumference. Top of the nib/feed goes where there is no lip.

 

Assuming, of course, that it is a Bock housing

 

Might help. Solved the ink starvation problem for me.

 

This is more or less what worked for me, but it took some subtle adjusting of the nib & feed relationship - i.e. aligning the centers of each to be more exact & playing with the depth of the feed relative to the nib (brought the feed closer to the shoulders of the nib).

 

At first I started with the drier Pelikan 4001 RB changing that out for the wetter Waterman Intense Black, then resetting the nib & feed to finalize my adjustments.

 

Also noted that some of the silicone grease from the threads may have migrated & so made sure the feed was clean.

 

Now my new Ranga (3C, M nib) is running well.

 

I have also purchased an alternative Bock #6 nib unit with a B nib that I can swap out for a different line as well as it could serve as check against the supplied nib unit, if need be.

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I usually use Montblanc or Pelikan inks. Waterman Kulturs were having poor flow and drying up in a couple of hours. I thought Sailor inks to be wetter, and tried a blue one. The flow improved and the pen didn't dry up.

"Don't hurry, don't worry. It's better to be late at the Golden Gate than to arrive in Hell on time."
--Sign in a bar and grill, Ormond Beach, Florida, 1960.

 

 

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I would try a different converter or perhaps a cartridge- the converter with my my

Ranga was the culprit for me- a Waterman converter solved it.

Tony

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I would try a different converter or perhaps a cartridge- the converter with my my

Ranga was the culprit for me- a Waterman converter solved it.

Tony

 

Yes, that too. The Schmidt converter seemed prone to vacuum lock. Using that I would periodically advance the piston to stimulate ink flow. Right now I've got a long cartridge installed. And just to add one more thing...I think the nib tip shows some minor baby's bottom, perhaps (?).

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I use it as an eyedropper filler.

Where do you buy extra Bock nib/feed units?

"Anyone who lives within their means suffers from a lack of imagination."

Oscar Wilde

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Having thoroughly cleaned the pen/nib/feed, adjusted the nib/feed, and changed inks (Noodlers RedBlack), it is close to OK. When the rotation is dead on, it's very smooth but a bit too wet for an XF. When the pen is slightly mis-rotated, all flow ceases. How does one increase the usable pen rotations?

"Anyone who lives within their means suffers from a lack of imagination."

Oscar Wilde

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