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Twsbi Diamond 850?


speedy

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The metal version of TWSBI Diamond has been discussed internally for some times. We intend to create an internal piston filling mechanism so we can ware different meterial outside.

 

The first thought is to ware a metal body (like Iron Man? hahaha!)

 

 

 

Below is the first look of the proposal. Pls comment.

 

 

 

20111024-gx396a698dkxiuf2wg1jt5dud7.preview.jpgClick for large view - Uploaded with Skitch

 

 

 

20111024-x4phmt1stf3gifa53ghiecf46d.preview.jpgClick for large view - Uploaded with Skitch

 

 

 

20111024-xixy8879ki4xygku1kke6rscrt.preview.jpgClick for large view - Uploaded with Skitch

 

 

 

20111024-bnskp3i2a1xq96ra754ianck45.preview.jpgClick for large view - Uploaded with Skitch

 

For latest update pls join our facebook <img src="https://img.skitch.com/20110916-nw8undh6ac3kh6q1ta7n62ii75.preview.png" alt="facebook badge" />

 

If any product related issue, pls send email to twsbiinc@gmail.com

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Looks sweet, although it's maybe a bit too angular for my tastes.

 

But I'd be happy with the 550 (or whatever the 540 with bits of metal is called) too.

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Looks really nice. The only thing bothering me is the metal section. I find metal sections very uncomfortable. I prefer the one with the dark brown part in the middle.

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I think if you offer a metal section it should be mat instead of smooth.

 

Perhaps offer the pen with both a plastic section and a metal one.

 

I have Cross Townsend, a Persona, a Diplomat, a P-75, and a Lamy CP-1. My perfectly balanced P-75 was by far the lightest full metal pen I'd ever held, up to when I got that CP-1 which is lighter than some of my plastic pens.

 

How heavy is your metal pen going to be.

Brass or aluminum?

Edited by Bo Bo Olson

In reference to P. T. Barnum; to advise for free is foolish, ........busybodies are ill liked by both factions.

 

 

The cheapest lessons are from those who learned expensive lessons. Ignorance is best for learning expensive lessons.

 

 

 

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Why not use the same barrel design as the 530/540 but in metal? The smaller facets should feel more comfortable than the big facets of this prototype. They would also produce many slimmer reflections when rotated. IMO, diamonds with more cuts have more sparkle.

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I prefer the knurling on the cap surrounding the TWSBI logo on the pen with the lighter band in the middle. Also, is that knurling or ink windows in the section on the same pen? I'm assuming it's knurling as it matches the lines in the blind cap. However, it would be nice to have ink windows somewhere on the pen. I also agree that shiny metal sections tend to get very slippery. I don't personally have an issue with that, but a matte finish or even mild ridges (emphasis on mild) cut into the section could overcome the slipperiness of the shiny metal.

 

All in all, a very nice pen design, one which I would purchase if it's as reasonably priced as your other offerings.

 

Edit: I see from the 3/4 view with the caps off that the section threads and maybe the band are actually clear? If that's the case, then the ink window issue is already taken care of.

Edited by FLJeepGuy

Collection Counts: Cross-4, Esterbrook-15, Eversharp-1, Graf von Faber-Castell-1, Jinhao-2, Kaweco-1, Lamy-6, Levenger-2, Monteverde-1, Pilot/Namiki-3, Noodler's-1, Parker-18, Rotring-10, Sailor-1, Sheaffer-19, TWSBI-1, Visconti-4, Waterford-1, Waterman-7

Favorite Inks: Diamine, Levenger, Private Reserve, Noodler's Lexington Gray

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I hope the weight of the pen is on par with the current 580, while the metal grip section is replaced by the other materials. It's very difficult to maintain good grip with the metal section.

Edited by Pen2009

My collection: 149 EF/F/B/OBB, Collodi B/Twain F/Mann F, 146 M, Silver Barley F, M1000/M800 B'o'B/M800 Tortoise/Sahara/415 BT/215/205 Blue Demo, Optima Demo Red M/88 EF & Italic/Europa, Emotica, 2K/Safaris/Al-Stars/Vista, Edson DB/Carene BS, Pilot 845/823/742/743/Silvern/M90/Makies, Sailor Profit Realo M/KOP Makies/Profit Makies/Profit 21 Naginata MF&M/KOP/KOP Mosaiques/Sterling Silvers,Platinum #3776 Celluloids/Izumos/Wood pens/Sterling Silvers,YoL Grand Victorian, and more (I lost counting)

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Looks very interesting. I don't think metal sections have to be a problem (see the one on Lamy 2000, also a good example of how the barrel form continues to the section). The weight is always a concern in terms of balance but many of us prefer a heavier pen, especially a large one that doesn't require posting. For example, I prefer my Pelikan M800 to the old-style M600 I'd been using for years just for this reason.

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Why not use the same barrel design as the 530/540 but in metal? The smaller facets should feel more comfortable than the big facets of this prototype. They would also produce many slimmer reflections when rotated. IMO, diamonds with more cuts have more sparkle.

 

+1

 

New metal design looks too mechanical (mechanical engineer kind of thing).

A pen should look artisty yet professional e.g. 530/540.

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I think if you offer a metal section it should be mat instead of smooth.

 

Perhaps offer the pen with both a plastic section and a metal one.

 

I have Cross Townsend, a Persona, a Diplomat, a P-75, and a Lamy CP-1. My perfectly balanced P-75 was by far the lightest full metal pen I'd ever held, up to when I got that CP-1 which is lighter than some of my plastic pens.

 

How heavy is your metal pen going to be.

Brass or aluminum?

 

The metal grip slippery issue has been noticed, not only here but also on other pen design, we will have to come out with a good solution.

The metal barrel can be by aluminum (brass may be too heavy), or other materials, like PMMA (by CNC turning) or even wood... we will consider weight balance and total pen weight.

For latest update pls join our facebook <img src="https://img.skitch.com/20110916-nw8undh6ac3kh6q1ta7n62ii75.preview.png" alt="facebook badge" />

 

If any product related issue, pls send email to twsbiinc@gmail.com

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Why not use the same barrel design as the 530/540 but in metal? The smaller facets should feel more comfortable than the big facets of this prototype. They would also produce many slimmer reflections when rotated. IMO, diamonds with more cuts have more sparkle.

 

+1

 

New metal design looks too mechanical (mechanical engineer kind of thing).

A pen should look artisty yet professional e.g. 530/540.

 

this is the first proposal, I also think some modification should also be done

For latest update pls join our facebook <img src="https://img.skitch.com/20110916-nw8undh6ac3kh6q1ta7n62ii75.preview.png" alt="facebook badge" />

 

If any product related issue, pls send email to twsbiinc@gmail.com

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I don't like the step down from the barrel to the section and I'd be less likely to buy it online if there's a step since I can't tell where it would be in my hand. A wider cap would let it post on the body and not the piston knob

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I like it, but I am a Mechanical Engineer. :thumbup:

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I think it truly looks like an "Iron Man" ! The design of the pen is lovely and very unique. I would have the same considerations that have been voiced from other posters: weight, grip, etc plus I prefer a rounder shape but all in all it looks like it could be another winner for you!

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Not bad but still not my taste.

I'm not comfortable with the design for the transition from barrel to cap, when capped.

Maybe another day...

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Seems pretty nice, but as has been mentioned, I would prefer a bit more sophisticated design, something like 540.

Also, I don't like the "belt" which is between cap and barrel where the pen is slimmer than the rest.

And I would like to have different nibs to choose from, but it is not what are we talking about :)

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Looks very unique... Lets see whats the outcome.

Best wishes for the development.

Pilot Vanishing Point Royal Red

Sailor Professional Gear - Sailor Jentle Grenade

Kaweco AC Sport Red Limited Edition - Kaweco Red

Sheaffer Prelude Chrome - Private Reserve Sherwood Green

TWSBI Diamond 540 - Sheaffer Purple

Sheaffer 300 - Private Reserve Orange Crush

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I like the looks Speedy!

 

Points for thought, the shape of the metal gripping section looks good, shouldn't be slippery, perhaps as an alternative a durable plastic or even a rubber? I like rubber sections, but find their durability to be a problem.

 

I like the clear section for seeing ink level, very German looking, an alternative, perhaps a 'slot' or 'window' on the barrel of the pen?

 

Colors, these colors are great, but perhaps some other dark colors, blue and aluminum or gold and red? Variety is the spice of life! One of my favorite combos is glossy black with silver (rhodium) accents!

 

The step in the middle with the pen capped, it's ok, and not a deal breaker, but perhaps it could be hidden by the cap when closed?

 

I like postable pens, a cap posting system that doesn't scratch the pen, or make it very long, or top heavy. I have 2 of the 'inexpensive' Dantrios from Winedoc that are fabulous pens, and are intended to post but become very top heavy when you do. It limits their usefulness for me.

 

I know this is the design phase, and in all things are compromises. Your definitely on a good track, keep it up!

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