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Re: RPM meets

I know I could be opening up a can of worms, but I can safely say I enter models in NMRA contests strictly for the sharing, and I know others do as well. I do use the possibility of being selected as

By cj riley <cjriley42@...> · #57623 ·

Re: casting foundry freight cars

are way in sand to help CJ - The sand was special; it was almost an art in itself selecting the appropriate sand for casting work. Not just any sand will work. Some of the additives to the sand in

By proto48er · #57622 ·

Re: casting foundry freight cars

My experience with a foundry was they mixed a witches brew of oils and stuff in with the sand to make it hold it's shape. They said the stuff was proprietary and generally unique to the casting house.

By mike turner <yardcoolieyahoo@...> · #57621 ·

New file uploaded to STMFC

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the STMFC group. File : /Rochester Metal 2.doc Uploaded by : karkoskid

By STMFC@... · #57620 ·

Re: casting foundry freight cars

Well that didn't. I will see if I can post to files. David _____ Sent: Wednesday, November 01, 2006 12:59 PM To: STMFC@... Subject: RE: [STMFC] casting foundry freight

By David Karkoski <karkoskd@...> · #57619 ·

Re: casting foundry freight cars

Hi Marty, I am not sure if this graph will come through on group mail but I'll give it a try. It represents the carload deliveries to Rochester Metal Works, a small foundry, in Rochester Indiana

By David Karkoski <karkoskd@...> · #57617 ·

Re: RPM meets

Charlie Vlk wrote: I couldn't agree more, Charlie. Well said. But in all fairness, if one is to conduct a judging, one has to have rules. We could all devise interesting sets of rules; the NMRA

By Anthony Thompson <thompson@...> · #57618 ·

Re: Naperville Photos

Great photos! Thanks, Dave. It looks like gons have finally come into their own. Some truly exceptional weathering by a lot of folks. Elden ________________________________ From:

By Gatwood, Elden J SAD <Elden.J.Gatwood@...> · #57616 ·

Re: casting foundry freight cars

CJ Riley wrote: Yep. Foundry sand, when ready to use, is pretty sticky. Larry Jackman was right in saying that it is moistened to make a mold, but don't think it's just dry sand with some

By Anthony Thompson <thompson@...> · #57614 ·

Re: casting foundry freight cars

Correct me if I am wrong, since my days of college industrial work are way in the past, but I seem to remember bagged powdered additives in the sand to help the cavity to hold its shape. CJ

By cj riley <cjriley42@...> · #57613 ·

Re: RPM meets

Tony- I agree with your observations except that I must not have been to many NMRA regionals. I may have not been to "many" but have been to enough to know what is going on there and in the broader

By Charlie Vlk · #57615 ·

Naperville Photos

I finally got my Naperville photos up and labeled. http://www.pbase.com/dh30973/naperville06 Enjoy Dave Hussey

By dh30973 <76523.1060@...> · #57611 ·

Re: casting foundry freight cars

Thanks, Larry. Tom Madden

By pullmanboss <tgmadden@...> · #57612 ·

Re: Alan Welch's handout - riveter

Micromart has one relatively

By Steve SANDIFER · #57610 ·

Re: casting foundry freight cars

When making a sand mold the sand HAD to be wet in order to stick together around the pattern. Then it would be dried, pattern removed and the cast done. If the mold was wet when the casting was done

By ljack70117@... · #57609 ·

Re: RPM meets

I am enjoying the comments of a number of perceptive attendants from this list at the recent Naperville, and the more distant (but also yet upcoming) Cocoa Beach meets. I loved the 1-1/2 hour

By Denny Anspach <danspach@...> · #57608 ·

Re: casting foundry freight cars

Ted Larson: I have little knowledge of foundry practices, except that you don't pour molten metal into wet sand molds. Did foundries typically have their own sand drying capability? If some did and

By pullmanboss <tgmadden@...> · #57607 ·

Re: Reweigh Dates

Russ Strodtz wrote: At one time, there were rules requiring such cars to be additionally stenciled as rebuilt, but since about the late 1950s, this has been dropped and even very extensive

By Anthony Thompson <thompson@...> · #57606 ·

Re: casting foundry freight cars

One product of corn processing was "foundry Starch" which was used as a binder for the sand molds. This explained just how they managed to keep the molds together for casting. Casting molten metal in

By John Swanson <dwlscbq@...> · #57630 ·

Re: casting foundry freight cars

It was an open car, since the story makes clear that it was of composite construction. The key point missing here is frequency. In the story it wasn't cars, it was a car. It may have been the only

By Dennis Storzek <dstorzek@...> · #57605 ·

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