May 26, 2011 - Posted by Elizabeth to Fountain Pens
Converting a standard fountain pen into an eye dropper pen is a favorite project among fountain pen aficionados. It involves filling the fountain pen body with ink (rather than a cartridge) and closing it with a tight seal. This is especially useful for the plastic bodied Kaweco Sport pens, as they are not compatible with any of our fountain pen converters due to their compact size. This conversion will work on most non-vented, plastic fountain pen bodies.
The following easy steps teach you the basics on how to make your very own eye dropper pen using the Kaweco Sport Ice Fountain Pen as an example.
What you need:
A Kaweco Sport fountain pen available at JetPens (you can choose any color, but we recommend to only use the plastic versions), silicon grease, an eyedropper, and a bottle of ink.
Here we used a Kaweco Sport Ice Fountain Pen - Fine Nib - Orange Body and J. Herbin Fountain Pen Ink - 30 ml Bottle - Diabolo Menthe (Mint Lemonade Green). We found our silicon grease at our local Lowes Hardware store. When shopping for the silicon grease make sure to get one that has enough viscosity to create a good seal.
1. Disassemble the pen. If the cartridge has already been used, you can use a piece of tape as a seal, to remove the cartridge and store it for future use.
2. Lubricate the threads of the nib section with a thin yet thorough layer of silicon grease. Make sure to fill the entire threaded area to ensure a positive seal.
3. Keep the barrel close to your ink bottle to reduce spills. It is a good idea to fill up the barrel over a non-porous, easy to clean surface, or over some scratch paper at the very least. Fill the barrel with ink up to 0.5 cm below the first set of threads to ensure proper air pressure.
4. Screw your fountain pen back together with the nib facing up. Use firm but not excessive force, as tightening the fountain pen too much may result in a crack.
Use a paper towel to wipe off any excess silicon grease that squeezes its way out.
5. To get the ink flow going, we advise to store the pen capped and nib side down for a few minutes. How quickly this occurs is an interesting characteristic of the ink; some inks require no shaking and some a minute or two.
Congratulations! You have made your very own eyedropper fountain pen, now you are ready to write! Your Kaweco should go quite a while before needing to be refilled.
Please keep in mind that over time, your seal may adjust or wear out. You will want to be attentive to your eyedropper pen, and make sure to store it with care. This should prevent any possible leaking and subsequent damage to your clothes!
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