If you write a lot for work or enjoy journaling in your spare time, a fountain pen can really take the writing experience to the next level. It is the same fountain pen and nib as in Photos 4 and 18…  Forgive a designer. Are they perhaps too small for modification? How? The two modifications are shown in Drawing 15 showing half of a nib; that’s why F/2 … while F would be the total force applied to separate the tines. I tend to say that the b2–l2 combination hardly contributes toward the flexibility if at all.”, Here is Bobje’s comment: “However, in a standard FPR no.6 extra-fine nib (Photo 11), it improves performance and creates a cushioned writing experience, but doesn’t actually generate a semi-flex nib. Best Fountain Pens For Under Two Hundred Dollars, Six Factors to Consider When Choosing a Luxury Pen. Bobje started this topic, and Bordeaux146 was another major contributor to technical aspects. The Falcon Resin with Spencerian modification is the pen that appears in the video, and besides the original Black with gold trim, versions in Black with rhodium trim and Red with rhodium trim have also been introduced. Adding the hole would have no noticeable impact. 3.) Thus, the modification with the opening hole results in a smaller the tine deflection δ, however, since the tine separation is W/2 = δ×sin αs or αo respectively, the two effects (deflection δ and slit widening W) compensate each other. Does this not look so much better? Working in the field of fountain pens at the time, I was keen on the individual new ideas, but for me, the overall performance was not satisfactory. As long as you haven't inked the nib we will take back for a refund or a different nib. When the slit is combined with a profile of high curvature, like when the nib hugs the feed (see c), then the flexibility is reduced by more than the slitting would cause. He also reported that initially the nibs flooded, which I assume was caused by the combination with a feed whose the air canal ran along the top (underneath the nib). There might be a tiny bit more line variation, and the pen is more enjoyable to write with. Earlier on, I also noted that hardly any nibs/tines are flat. I'm in Los Angeles. And since the topic is curvature, let me comment on a stack of questions by Bobje, starting with: “Where should a hole be drilled, how large, and in what shape?”, The most efficient position of the hole is near the end of the slit for reasons discussed in this chapter. You must fill out the appropriate repair or trade form before sending any pen or nib to us. Photo 11 shows the alteration to the standard FPR no.6 extra-fine nib. It currently has an EF. The form of the scallops is an artistic, visual matter. The blue markings relate to the opening near the slit, the pink to the scallops. ... Who is still out there that works on vintage fountain pens for repairs or nib work? From Drawing 7 in the previous chapter, we discovered the significant impact the cambering of the flat strip had on the resistance to flexing, the profile turned out to be much stiffer. Many fountain pen nib units are manufacturer specific and cannot be interchanged with other manufacturers fountain pens. This means it does not matter, from a dimensional point of view. In Drawing 11 the original profile is coloured black. - posted in Lamy: Perhaps the best place for this question is the Nibs and Tines forum; but I prefer to ask here first... Is it feasible or possible to modify these nibs for flex? This sounds like a contradictory request because, as Photo 17 shows, there is no ink in the slit. I'm thinking about grinding away a bit of the shoulders on my Ahab flex nib. Since the Spencerian modification turns your nib into a specialized tool for creating copperplate calligraphy, in this particular instance we optimize ink flow for the customization itself rather than your personal preferences - our experience is that with careful attention in the workshop the FA nib and Custom 912 feed can provide an excellent ink flow, but results can vary depending on the ink and … Nibs are made from many different materials, but most fountain pens will have either a gold or stainless steel nib. Repairs and Nib Modification. Remember, the thickness of the material impacts on the area moment of inertia by the power of three. Here are some recommendations: 1.) Nib Modification - posted in Repair Q&A: I don't know if this is the right spot for this question, but here goes anyway.I have a Rotring 600 (I think) that I purchased while in college. During those days I was a bit of a calligraphy buff, I learned how to shape tips. Needle & Flex is a similar procedure we provide on other 14k nibs that are not as inherently suitable for the Spencerian customization because of tine length, imprint, or other factors. Now the beautiful line of the nib is clean and uncluttered. Introduction to Nib Customizations Most fountain pens are provided with standard stock nibs ranging in size from Fine to Medium to Broad, with Extra-Fine, Double-Broad, Stub, and Music sizes also common (experienced pen users can check out our tipping sizes page for exact comparisons among the pen lines we carry). The reason for this is the increase of y1 to y2. During nib manufacturing, the accurate thickness is achieved mostly through roll-forming with the added benefit of work hardening. Although the Nakaya nib is somewhat less well-suited to the Spencerian modification than the Pilot nibs indicated above, Nakaya's hand-crafted Urushi pens offer a writing experience like no other. In Photo 18 (same pen as in Photo 4) the abrupt shape change from the round to the flat part of the nib is highlighted by a stark contrasting shadow line. They gave me permission to use the information and display their photos.