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Re: [Z_Scale] Re: Steam Locomotive Project for Mr W?

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  • Edward Scullin
    I would have no Idea. The tungstan experts were the Soviets from their submarine projects. I was thinking more on the order of defined cutouts in the shell
    Message 1 of 9 , Dec 29, 2006
      I would have no Idea. The tungstan experts were the Soviets from their submarine projects.
      I was thinking more on the order of defined cutouts in the shell for adding tungstan powder. The
      use of tungstan powder, for weight, was another Bill K. suggestion.
      Ed Scullin



      --- Bill Powers <wjpo@...> wrote:

      > Ed. Do we have anyone that can cast in Tungsten? That would solve our
      > weight issue once and for all. Bill in Wisconsin
      >
      > Edward Scullin wrote:
      > >
      > > The weight issue on the shells might be mitigated by leaving cavities
      > > that could be filled with
      > > Tungstan powder.
      > > Ed S
      > >
      > > --- Randall Smidt <randy@...
      > > <mailto:randy%40smidtfamily.com>> wrote:
      > >
      > > > Welcome back Geoff/Mr. W.!
      > > >
      > > > I do remember seeing your plans for a prototype of a GP7/9 (?) in
      > > the files section here some
      > > > years back. I thought it looked very familiar when the MTL GP35 came
      > > out so that explanantion
      > > > of your's makes the connections clear.
      > > >
      > > > I would revise Loren's comments on the RP manufacturers that there
      > > are actually three
      > > > companies doing RP work now in Z:
      > > > MakeMyModel.com - accessories
      > > > Mark4Design - Rolling Stock, accessories (and loco shells in N so
      > > maybe in the future for Z as
      > > > well)
      > > > SeaRails - Accessories, rolling stock and soon loco shells
      > > >
      > > > It sounds like you have access to injection molding equipment. If
      > > that is the case, injection
      > > > molded styrene is the most preferred medium for rolling stock. Loco
      > > shells might be better in
      > > > metal depending on the weight and the design. For example, injected
      > > plastic shells work fine if
      > > > the chassis is heavy (MTL) or if traction tires are used (AZL).
      > > >
      > > > In my informal tracking of what was asked for most over the last
      > > couple of years this is what
      > > > I find:
      > > > Heavyweight passenger cars
      > > > shells (and tenders) for 0-6-0, 0-8-0 and USRA Heavies (Pacifics and
      > > Mikes)
      > > > Modern rolling stock of just about any kind
      > > > and more recently, RDC's and shells to use with the MTL GP35
      > > mechanism (and/or the soon to be
      > > > released MTL GP9 and AZL GP7)
      > > > Oh yes, and some of us want Shay's ;-)
      > > >
      > > > Hope to see more of you in the future.
      > > >
      > > > Randy Smidt
      > > >
      > > > Loren Snyder <ljsnyder@... <mailto:ljsnyder%40charter.net>>
      > > wrote:
      > > > Hi Geoff,
      > > > Now, if you would rather we call you Mr. W, I think we would all be
      > > content
      > > > to do that, however Geoff is fine too. I presume that it is pronounced
      > > > Jeff?
      > > >
      > > > Now, on to bigger and better things.......mainly Z scale. It is obvious
      > > > from your back ground that you have a lot you could contribute in shared
      > > > knowledge and wisdom and perhaps offer to the Z community in future
      > > products
      > > > Let's see........um, that should immediately catapult you to the top 10%
      > > > of interesting people to know and hang with :o)
      > > >
      > > > You're already far ahead of many of us I am afraid, but hey, we as a
      > > group
      > > > love to learn from anyone willing to share. One of the things I love
      > > about
      > > > Z is the great variety of folks who contribute in many ways. And
      > > since we
      > > > are a family of sorts, then yes, we do squabble and get ticked at
      > > times, but
      > > > soon enough we forgive and forget, (or write each other off, (hope
      > > not) and
      > > > we go on having more fun than should be legal for humans to have.
      > > >
      > > > Since you are formerly from MTL, then you know well the area of which I
      > > > spoke regarding the logging locos pictured.
      > > > Currently the Railroad Chapter of the Historical Society of Southern
      > > Oregon
      > > > is renovating the old Medco logging shay and will someday have it in
      > > running
      > > > condition. I know several guys who seem to live at Railroad park and
      > > donate
      > > > every waking moment to working on the loco. They would love to
      > > acquire some
      > > > right of way up near Butte Falls to create a tourist attraction ride
      > > using
      > > > the loco and some cars.
      > > > Not much chance of that happening I suppose so maybe it will be used
      > > > somewhere else.......hopefully near Medford, as it would be a big
      > > drawing
      > > > card. Kind of like the Napa Wine Train.
      > > >
      > > > Back to the present.....Are you aware that there are currently two
      > > companies
      > > > that are offering some Z scale items in the RP technique?
      > > > Some very nice ones I might add. An addition of a loco shell to fit
      > > other
      > > > chassis would be most welcome, especially if the detail were
      > > excellent as
      > > > you say and the product was stable and strong enough. I think
      > > painting is
      > > > somewhat of an issue on RP material, but that can be addressed
      > > adequately I
      > > > m sure by those more in the know.
      > > >
      > > > We all welcome anything in the area of locos or shells, or anything
      > > actually
      > > > that will further the development and expansion of Z scale.
      > > >
      > > > Where might you be residing now? Anywhere near you old stomping ground?
      > > >
      > > > Welcome aboard and lets hear more from you,
      > > >
      > > > All the best,
      > > > Loren
      > > >
      > > >
      > > > -------Original Message-------
      > > >
      > > > From: trainsrunner
      > > > Date: 12/29/2006 12:58:42 AM
      > > > To: z_scale@yahoogroups.com <mailto:z_scale%40yahoogroups.com>
      > > > Subject: [Z_Scale] Re: Steam Locomotive Project for Mr W?
      > > >
      > > > Hi Loren, et al.,
      > > >
      > > > Your photos of steam engines look interesting. I have a collection
      > > of basic
      > > > drawings of
      > > > steam locos, so I'll try to correlate your photos with these
      > > drawings. That
      > > > should provide
      > > > some good grounds to start from.
      > > >
      > > > As for my CV... ;)
      > > >
      > > > My name is Geoff Wathen. In years gone past, I always went by "Mr. W" on
      > > > this list. I don't
      > > > remember how that got started, but there it is. I'm perfectly fine with
      > > > everyone calling me
      > > > Geoff, though.
      > > >
      > > > My background is as follows. I have a Bachelor's degree in mechanical
      > > > engineering. For a
      > > > couple of years, a few years ago, I was the R&D Design Engineer over
      > > at MTL.
      > > > I headed up
      > > > the design for the N scale FT, as well as creating the first
      > > prototype for
      > > > what later became
      > > > the Z scale GP-35. Unfortunately, my path lead me in another direction
      > > > before I was able
      > > > to see that project through to completion. Since then, I've received my
      > > > Master's degree in
      > > > physics, and been working in other areas. As time has permitted, I've
      > > > continued to dabble
      > > > in creating Z-scale designs, including such things as a GP-7 shell that
      > > > should fit the MTL
      > > > GP-35 chassis (I'm not positive about this as I haven't had the
      > > opportunity
      > > > to get
      > > > completely accurate measurements on the chassis). Although I have some
      > > > experience
      > > > taking designs all the way to injection molds, the method of
      > > production that
      > > > I like to use,
      > > > for the times that I go to production, is a rapid prototyping
      > > technique that
      > > > gives absolutely
      > > > phenomenal results (as I said before, rivets!!).
      > > >
      > > > So, what do you think?
      > > >
      > > > Best,
      > > >
      > > > Geoff.
      > > >
      > > >
      > > > [Non-text portions of this message have been removed]
      > > >
      > > >
      > > >
      > > >
      > > >
      > > >
      > > > [Non-text portions of this message have been removed]
      > > >
      > > >
      > >
      > >
      >
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