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Parker Space Pens


So what was the issue that required resolving? Just, pen refills count on gravity for the ink to movement. Zero-gravity = no ink flow. While pencils don't need gravity to the office, you do not desire pencils shavings or lead fragments floating around in your spacecraft!

Pressurised refills are completely sealed and have handful of inert gasoline under great pressure on opposing end to your writing tip. This gas constantly pushes the ink towards the tip, maintaining a confident movement of ink whenever required. The ink is not forced out of the tip before pen is really writing. The reason being the ball is very precisely machined to fit a very exact socket, and the thixotropic ink can be so viscous that it doesn't move unless some rubbing (from rotating baseball) triggers it to liquify slightly and distribute across the baseball. This is the way all ballpoint pencils work, but pressurised refills need more precision and much more viscous ink.

However, until you're an astronaut you aren't in practice of regular journey to outer space - what exactly's inside throughout us? Really, technology that means that these pens can write in zero-G additionally makes it possible for them to:

  • Write upside-down - very handy if you should be on your back, using notes or doing the crossword. Ordinary ballpoints frequently drop the might to create even when held horizontally.
  • Write-in very low conditions - obviously useful in cold weather conditions and useful in commercial cold-storage. Ordinary pen ink will solidify, but a pressurised refill could keep going at minus 20 degrees celsius.
  • Write in extremely high temperatures - possibly less of use. The Schmidt refills claim to publish in around 200 degrees C. when you are in that heat, you almost certainly have significantly more pressing problems than whether your pen is working or perhaps not.
  • Write on oily or wet paper, and even underwater - in which ordinary ballpoints start missing as the basketball won't rotate correctly or oil or water stops standard ink staying with the baseball, a pressurised refill only keeps on working. Make notes in the rain in your wet notebook, or compose your postcards at the end associated with swimming pool...

Considering that the Fisher area Pen was developed, various other writing gear makers have perfected the technology.

Spacetec - a Diplomat brand - happen involved in the Fisher Space Pen company for many years and also an identical array of pencils. The Spacetec Pocket Pen is virtually the same as the classic Fisher Space Bullet Pen, as the Spacetec 0 Gravity could be the discontinued Fisher Zero Gravity Space Pen.

Spacetec pens use Schmidt Megaline pressurised refills. The Schmidt Megaline 4889 is a suitable refill for most Spacetec pencils and for Fisher area Pens. Schmidt additionally manufactures the Megaline P950M refill - a 'Parker-style' G2 design refill which suits a giant selection of ballpoint pencils from Parker, Faber-Castell, Pelikan, Tombow, Diplomat, Porsche Design, rotring, etc., switching some of these pens - even your old Parker Jotter - into a 'space pen'.

Tombow of Japan has a couple of interesting entrants inside group. The Tombow XPA is a rugged outside pen - an excellent steel design, which telescopes for compactness and features a lanyard loop to keep it with you. With the properties regarding the pressurised refill it is very practical pens around. The refill the XPA is the Tombow BR-VMP - another standard pattern refill, this time around in multipen 'D1' structure. This refill fits a massive variety of multifunction and mini pens.

Uni of Japan have produced the most interesting pressurised pencils. The Uni PowerTank pen costs not as much as a Fisher refill, but features the same pressurised ink technology in a practical rubber-grip retractable pen design. An excellent pen, readily available with black, blue or red-ink, and it is also refillable with Uni SNP-10 refills.

The last word nevertheless goes to Tombow. Somewhat lateral reasoning to their part has arrived with a novel undertake the situation. In place of a complex and costly refill, the Tombow Airpress merely applies some atmosphere force towards top of a conventional open-ended ballpoint refill whenever you click on the push-button to start the pen. Simple, ingenious and completely effective.

We do not currently stock the Fisher brand name, but we do stock all those great pressurised pens and refills -



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