Re: Stephenson Valve Gear

Vance and all: You can find both of the Bridgewaters' books; "more" is listed from several sources in the 21-25$US range on: http://www.fetchbook.info/ I often do better than Amazon using this book search source (and it includes Amazon listings as well). Will Davis PS I wish that I was there, r

Valve Gear

While a working wood model would look great made of rare hard woods, for our individual education I think the animated running gear demos on the internet work pretty well, especially when the page allows slowing down the action to see each step. http://home.new.rr.com/trumpetb/loco/ Good resource

Re: Stephenson Valve Gear

At 9:24 AM -0400 9/4/04, Walt Swartz wrote: That might be a nice item for The Naples Depot to have on display. fwiw, if memory serves, there is a full-size cut-away at the chicago museum of science and industry that illustrates pistons and gear. \dmc -- ^^

Re: Stephenson Valve Gear

Bob, good news and bad news: The good news is that the Levy book (the one I have) is readily available used for under $10. The bad news is that the Bridgewater book is readily available used for around $60, and the second volume ("More...") fetches about $100. If you had bought a hundred of the

Re: valve gear models

>I have been thinking lately that it would be cool to design one of those hand-cranked >valve gear models to laser-cut from wood. Is that something that would interest anyone >else? Vance, Sounds like a great idea. I have a very artistic kinetic sculpture on my wall made

Re: Stephenson Valve Gear

I found the books available thru Amazon.com. The title is: Making Mechanical Marvels out of Wood by Raymond Levy; cost is $14.95. Again, it's quite a delightful book, but I never did build any of the mechanisms. This is a great book if you ever decide to do any Automata sculptures. The othe

Re: Stephenson Valve Gear

Vance, That might be a nice item for The Naples Depot to have on display. It would be even better than a diagram because it would give a "hands-on" item for the visitors. Keep me in mind if you decide to go ahead with the project. Something about 12" x 18" would be good for public display and use.

Re: Stephenson Valve Gear

Vance, While I am lucky to have an original cast iron valve gear demonstrator, I do think that would be not only a nice display piece, but would go a long way to helping folks understand just what is going on. It's a case, again, of "a picture being worth a thousand words.&quo

Re: Stephenson Valve Gear

> There are two books published by Dover books that has designs of > mechanisms made from wood that actually operate. Bob, I tried to find them online, too, without success. If you happen upon the titles, maybe we'll track one down one of these days. Landon wrote: > Any thoughts as to size, ty

Re: Stephenson Valve Gear

lomon\ "There is a | >\_/< [EMAIL PROTECTED] \ third alternative." From: "Vance Bass" <[EMAIL PROTECTED]> I have been thinking lately that it would be cool to design one of those hand-cranked valve gear models to laser-cut from wood. Is that something that would

Re: Stephenson Valve Gear

There are two books published by Dover books that has designs of mechanisms made from wood that actually operate. I looked for it in their store, but could not find it readily. I had the books and lost them in the fire; it did have the plans for making a hand cranked steam engine. They are ve

Re: Stephenson Valve Gear

I have been thinking lately that it would be cool to design one of those hand-cranked valve gear models to laser-cut from wood. Is that something that would interest anyone else? best regards, -Vance- Vance Bass FH&PB Railroad Supply Co. 6933 Cherry Hills Loop NE Albuquerque, NM 87111

Re: Stephenson Valve Gear

watching when working with baker valve gear! You have so many layers of superimposed lines wiggling all over, it is easy to get confused. You sit next to a nice model equipped with baker gear, and watch what the bell cranks do, and it will all of a sudden start to make sense. Now, if you are talk

Re: Stephenson Valve Gear

At 05:06 PM 9/1/04 -0400, you wrote: >Now, my turn! >If you can, the best way to begin to understand valve gears, is to sit >along side a model that has the gear in question, and gently move the >locomotive along the tracks, and while it slowly revolves, watch to see >what the different links and l

Stephenson Valve Gear

At 11:17 PM 9/1/04 +0200, you wrote: >This is not quite correct. the original Stephenson valve gear consisted >of a loose eccentric and a driving collar and driving pin. Bert, I'm aware of that but whatever the actual origin we still call it by the name Stephenson and everyone

Re: Stephenson Valve Gear

Thanks for piping up, Keith. Your recommendation to make a moving model from a book diagram is great one! And not at all confusing. I will do it this coming weekend and will make it BIG so I can see it. The samples of valve gear simulation graphic software that I have seen are commendable

Re[2]: Stephenson Valve Gear

Harry et al. Stephenson valve gear. This is not quite correct. the original Stephenson valve gear consisted of a loose eccentric and a driving collar and driving pin. The "Stephenson" valve gear as we are referring to came about in 1842 when a Draughtsman named Williams Employed

Re: Stephenson Valve Gear

the 3/4" scale Friend's Models Atlantic by name here) But, it is easier to make changes to cardboard and hard board at an enlarged scale, than to have to redesign the gear and make all new parts in steel, when you find the locomotive will only run well in one direction! (this is from the

Re: Stephenson Valve Gear

At 08:46 PM 8/31/04 -0700, you wrote: >I consulted a couple of ancient, dusty, and dog-earred tomes, Harry, >both of them had good diagrams but lacked sufficient explanatory text Steve, I usually find the best old ones have such complex theories, explanations, and diagrams as to be overw

Stephenson valve gear

Steve, Both the Accucraft and Roundhouse valve gears are a single eccentric gear, using a slotted link for reversing, thier is no lap and no expansive working possible, notching up only shortens the valve travel and gives late admission and early closing.. This gear is fine for models whi

Re: Stephenson Valve Gear

Mike, Keith, and Harry: Thank you for the quick response. I got curious after comparing the Stephenson valve gear on my Graham single vertical to the C-16's valve gear. I consulted a couple of ancient, dusty, and dog-earred tomes, Harry, both of them had good diagrams but lacked suffi

Re: Stephenson Valve Gear

From: Harry Wade <[EMAIL PROTECTED]> <> "Without laborious study of the ancient texts (which I ain't about to do anytime soon) I can't say whether you are close or correct but IML&HO a single eccentric does not a Stephenson's gear make. I'd say that permutes it into something else but what I d

Re: Stephenson Valve Gear

At 11:57 AM 8/31/04 -0400, you wrote: >[snip a "true" Stephenson's Link Motion ALWAYS has two eccentrics, >So, to make it short, if there is only one eccentric, it isn't Stephenson's >[snip] So unless you make an exhaustive study of valve gears, some can >be a bit difficult to identify. >Sincerely

Re: Stephenson Valve Gear

everse running eccentric, ever increasiong the valve travel until you are lined up with the eccentric and the extreme opposite end of the expansion link. So, to make it short, if there is only one eccentric, it isn't Stephenson's valve gear! Ther are many types of valve gear, that all look si

Re: Stephenson Valve Gear

Steve asked:- > At the National Summer Steamup Jeff Williams was kind enough to let me > inspect the valve gear on his C-16. I had a question about why prototype > Stephenson valve gear had two eccentrics per cylinder that each drove > one end of the expansion link. The C-16

Stephenson Valve Gear

At the National Summer Steamup Jeff Williams was kind enough to let me inspect the valve gear on his C-16. I had a question about why prototype Stephenson valve gear had two eccentrics per cylinder that each drove one end of the expansion link. The C-16 has only one eccentric per cylinder

Valve gear antics was RUBY TUNEUP

a jig - and my arms are adjustable), but it's entirely possible that "same" to me then wasn't quite as close as "same" to me now. Also, there are at least five points (running fits, pivot locations, arm lengths, etc) where small location or length errors could alter the effec

RE: American valve gear pic

Steve, Thanks, for the info and the link. The valve gear listed as a Stephenson appears to be a variant that I have seen most commonly listed as a Gooch. It does appear that it would save vertical space. I didn't enen give this type of valve gear a thought before, I may rethink that. Do yo

RE: American valve gear pic

Ken, You replied: > The light green part (hard to see & vertical) is the hanger which supports > the eccentric links (purple). The slightly darker green horizontal part is > the lifting arm, which raises and lowers the hanger (and therefore the > eccentric link) as the johnson bar is moved. I am

RE: American valve gear pic

m planning on equipping my >mill with CNC controls and that should make the curved parts a lot easier to >make. No rotarty table needed and less file work. > >Once I get comfortable with the position of the parts and the motion of the >gear (and time allows) I am planning on posting an

RE: American valve gear pic

of sslivesteam > Subject: Re: American valve gear pic > > > Ken, > > You wrote: > > > I just posted a jpeg of a preliminary model of the valve gear for my > > American project locomotive. Take a look here: > > http://moosedog.home.mindspring.com/ at file American valve

Re: American valve gear pic

Ken, You wrote: > I just posted a jpeg of a preliminary model of the valve gear for my > American project locomotive. Take a look here: > http://moosedog.home.mindspring.com/ at file American valve gear.jpg & > American valve gear 2.jpg. Looks really good. A couple technical qu

American valve gear pic

Hey all! I just posted a jpeg of a preliminary model of the valve gear for my American project locomotive. Take a look here: http://moosedog.home.mindspring.com/ at file American valve gear.jpg & American valve gear 2.jpg. Some of the parts still need some cleaning up and I need to move

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

Hello Keith, Wow. Thanks are certainly in order for your great explanation. I've been lost when trying to understand the valve gear in the past. Now I'll have to go back and try to understand the books again. Why do I see more questions for you coming up? Later, Trent

Valve gear

Thankyou Keith, I agree with Clark (I usually do for some reason!) Your explanation has helped me too, in a few of your easy to understand sentences, I am considerably enlightened about this dam magical valve gear. Now I realise that my Aster Stirling needs an adjustment of the eccentrics- as a

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

Great explanation, Keith. I have printed it off & will stick it in the valve gear books that I have never understood ! Art

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

Keith Manison wrote: > Not at all Art. Valve gears is one of "my things", so perhaps I can add > a little. Boy, did you ever! Your plain language discussion of lap and lead are the clearest that I have ever read and understood. Thanks Keith. See you in 10 days at DH2001. > The book "Locomoti

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

Tren, Don't worry, I spell it wrong all the time, as you will have noticed! The big question is, how do you pronounce it? I have heard it pronounced at least 4 ways, one with a "V" instead of a "W". Does any one know the definative pronunciation? Cheers Keith -- =

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

[EMAIL PROTECTED] wrote: > > As my understanding of steam engine valve gears is minimal I ought perhaps to keep >my head below the parapet. Not at all Art. Valve gears is one of "my things", so perhaps I can add a little. Walscherts gear nicely separates the two functions

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

I forgot to run the spell check on the e-mail where I called it "Walsherts" instead of Walschaerts valve gear. I couldn't remember exactly how to spell it at the moment and was going to let the spell checker take care of it. Oops! Just trying to maintain a little dignity, Trent

Re: Bassett Lowke mogul - Semi Walschaerts Valve gear

As my understanding of steam engine valve gears is minimal I ought perhaps to keep my head below the parapet. I believe the correct name for this is the 'single eccentric link motion'. I imagine it is a primitive arrangement which preceeded Walschaerts' work & therefore for manufacturers to t

Valve Gear Simulator UpDate

This just in from Charlie Dockstader. His web site is http://www.tcsn.net/charlied/ -vance- --- Forwarded message follows --- Subject:V G UpDate Date sent: Fri, 29 Dec 2000 07:01:15 -0800 Added Hackworth and Marshall. Now there 10 Windows gears. Added an Un

Re: valve gear simulator program

Charlie Dockstader's home page: regards, -vance- Vance Bass Albuquerque, New Mexico, USA Small-scale live steam resources: http://www.nmia.com/~vrbass

Re: valve gear simulator program

Vance, I was wondering if you wouldn't mind posting the web address once again, I didn't see it last time. I would like to download this program. It sounds like it would be a great asset in learning the workings of the the steam Valve Gear. Thank You, Michael Hanson. In a messag

valve gear simulator program

arlie Dockstader's new homepage, featuring his wonderfully useful valve gear simulation program that runs in MS-DOS, as well as his Windows version still under development. I've been getting mail from Charlie every week or two advising that he's added a new valve gear to the Windo

Re: Simple R-H mod to valve gear

Vance: It's just a drop on. It's not too secure but it dresses the engines up nicely. Jim

Re: Simple R-H mod to valve gear

> Peter Thorpe, Trackside Details, makes a similar accessory. Jim, I've seen these, but never looked that closely at them. When you say "similar", do you mean in that they're both valve chest castings, or does the TD part also fit down onto the RH cylinders? If so, that's a great thing to k

Re: Simple R-H mod to valve gear

Fellow steamers, I did the valve gear modification. The before picture is on the R-H site for the Lady Anne. The result and after picture is at http://jsb.pennsy.home.att.net/valvegear.html Despite my best efforts to blunder, it still works! -- Regards, Joe Betsko Pennsylvania USA Bala

Re: Simple R-H mod to valve gear

Vance and List: Peter Thorpe, Trackside Details, makes a similar accessory. The RH is smooth topped and sided, TD has bolt head details cast into the top. Jim

Re: Simple R-H mod to valve gear

> I wonder what other uncatalogued parts exist RH also made a Baldwin valve chest casting which fits over the squarish and rather model-like standard cylinders. It was made for the SR&RL 24, but they will sell them to you for your standard RH cylinders (at least, they would at one time). -va

Simple R-H mod to valve gear

am teaching you to suck eggs - but if > you look at the most expensive Roundhouse locos, for instance the Sandy > River and Rangely Lakes loco, you will see that it would appear to have FULL > Walschaerts valve gear rather than the semi version fitted to most locos. > In fact this s

Re: Valve Gear and Bio

on 7/2/00 7:43 am, Mike Chaney at [EMAIL PROTECTED] wrote: > Mick Chaney introduced himself with:- > >> Hello, >> >> First the bio. My name is Mick. .. > > Lest there be any confusion, he is not me. > > Mike Chaney > > http://www.mikechaney.fsnet.co.uk > > > > It certainly had me s

Re: Valve Gear and Bio

Mick Chaney introduced himself with:- > Hello, > > First the bio. My name is Mick. .. Lest there be any confusion, he is not me. Mike Chaney http://www.mikechaney.fsnet.co.uk

Re: Valve Gear and Bio

school, and remodeling the house I don't get much done on it. I have learned a lot in two years though, mostly from Jim Crabb and everyone else in the Houston Small Scale Live Steam group (thanks guys). In regards to the valve gear thread, the May 1984 issue of Trains Magazine has an 8 page ar

Re: Valve Gear

On 2/6/00 2:00 AM, VR Bass wrote: >> Am I correct in my asumption that the vast majority of steam locomotives >> used either Stephenson valve gear or Walschaert valve gear? > >For US or UK prototypes, I think this is correct. Walschaert's was >pretty well the wo

Re: Valve Gear

> Am I correct in my asumption that the vast majority of steam locomotives > used either Stephenson valve gear or Walschaert valve gear? For US or UK prototypes, I think this is correct. Walschaert's was pretty well the world standard by about 1900. In France and Italy, though,

Re: Valve Gear

Am I correct in my asumption that the vast majority of steam locomotives used either Stephenson valve gear or Walschaert valve gear? I know that in modeling a lot of these things get modified because they cannot be scaled down to the small size. I know what they do but I still haven&#

RE: Valve Gear

hursday, February 03, 2000 10:03 AM To: Multiple recipients of sslivesteam Subject: RE: Valve Gear > Hearing the comments of several people saying the C&S was a Stephenson while > Aster says it's a Walschaert Ed Gebhart's plans in the May 1989 Gazette show Stephenson's g

RE: Valve Gear

> Hearing the comments of several people saying the C&S was a Stephenson while > Aster says it's a Walschaert Ed Gebhart's plans in the May 1989 Gazette show Stephenson's gear. > I THINK it's pronounced walls - chert, but hey, ya never know. Walschaerts was a Belgian engineer, so it would be p

RE: Valve Gear

Thanx for the comment. I think it is this valve gear stuff that has always attracted me to steam locos. Now that I've jumped into the hobby, I just had to find out more about them. Hearing the comments of several people saying the C&S was a Stephenson while Aster says it's a Walsch

Valve Gear

Lee Hill I am really impressed with your treatise of the Walschaert (I wish I knew how to pronounce that) valve gear used on the C&S Mogul. You sure don't sound like much of a novice to me. I too am just starting into this hobby, (God and my wife forgive me) and you a