Retro 51 Tornado refill hack

If you’re a pen geek, and you do a search for “Retro 51 refill hack”, the best and only usable result you’ll find is for a Pilot Hi-Tec-C. While it’s a really good looking result, it simply involves too much work to get there. Cutting the refill down to the right size, then taping a false shoulder onto the refill at the right point to hold the spring because the diameter is too thin, and potentially having to do those steps multiple times? Ugh. Here’s what I did, instead.

Click on a photo for slideshow view and commentary, and remember that switching to a gel ink means writing on glossy paper will always be messier than an oil-based ballpoint.

I’ve settled on the Pilot Precise V5 RT. A quick note, if you do this you must make sure your Pilot Precise V5 has an RT suffix. The RT is what means it’s retractable. I say this for anyone who decides to order a bunch of these pens from an online retailer. I hope you find this useful!

4 thoughts on “Retro 51 Tornado refill hack

  1. This is the best hack I’ve seen for a Retro 51 refill. I find the standard ink they come with is a bit goopy and inconsistent. Thanks for posting this!

  2. Hi Eric,

    I found another hack which I feel it fits Retro 51 Tornado w/o fuss, by harvesting refill (or Uni UMR-87) and spring from Uni Ball Signo 207 (Retractable, non-Micro). Just shorten the refill according to Retro51/Schimdt P8127 thenreplace Retro 51 original spring with Uni’s. Voila!

    I’ve tried your Pentel Energel method, but somehow the Retro 51 original spring doesnt fit so well.

    Hope this help! 😀

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