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 A 'Y' slip?

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mikeyh




PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 11:02 am

you see theres the rub Martin. I'm not after a prototypical authentic 100 per cent appearance of a tramway because all the old steam tramways used normal points anyway but whatever is easiest for me (and will save money)then thats my goal!..I bought an Echo railset on freebay for 26 euros (inc post) and i have got a new steam tram, two wagons and (what I call) a Y slip out of it. thats good value by anybodies standard!

mikey (will do anything to save a few bob reporting to you from the wilds of France)
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pjti



Location : Galizano, nr Santander, Nth Spain

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 12:29 pm

Martin, I did get rather defensive but it isn't really a problem. I often wonder why I bothered with it myself, I think I just felt like seeing if it could be done.

Anyway it's so ugly when compared to Carls masterpiece - (don't you just hate perfectionists) but looks like mikey has worked a simple solution and he is happy, of course time will tell. So I am doubly happy cos I actually handed out some advice /help/ideas for a change.

_________________
Wake me up by noon please.

Patrick
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Carl Hibbs
Admin


Location : Haute Normandie - visitors welcome

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 4:25 pm

It's not perfection Patrick....In fact if the truth be known it's a failure because the flangeways won't accept anything except scale profile wheels so it can't be realistically used. geek

It was just to serve that making points completely from scratch is possible too and not beyond the skills of people here.

BTW on many industrial lines the 'Y' points were not actually curved but straight and made a dog leg at the switch end often with both rails moving across the frog. I'll try and find some pics. The Bord Na Mona comes to mind.....
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pjti



Location : Galizano, nr Santander, Nth Spain

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 5:50 pm

I think I need a picture of that Carl, I like the idea of those on the german site that only had one blade. Yes I know the double curvature is not quite prototypical but it was a bit easier than doing it with straights which I think would need to be a bit longer however by using just one moveable blade that might be doable.

Re: your point - it might be a failure to you but it sure is a thing of beauty.

_________________
Wake me up by noon please.

Patrick
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Carl Hibbs
Admin


Location : Haute Normandie - visitors welcome

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 7:09 pm

pjti wrote:
I think I need a picture of that Carl, I like the idea of those on the german site that only had one blade. Yes I know the double curvature is not quite prototypical but it was a bit easier than doing it with straights which I think would need to be a bit longer however by using just one moveable blade that might be doable.

I reckon that was what I thinking about actually. A Y point with no curves and a straight switch rail pivoted at the frog. scratch
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mikeyh



Location : Dordogne France

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 7:40 pm

I dont see how just straights could be negotiated, wouldnt there be too much of an angle from first straight to the 'arms' of the Y?

mikey
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pjti



Location : Galizano, nr Santander, Nth Spain

PostSubject: Re: A 'Y' slip?   Sun May 23, 2010 9:30 pm

Mikey,

This is from Carls link (the German site I refered to) . If you've got some of that plastic track left over why not see if you can do it.


_________________
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Patrick
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Carl Hibbs
Admin


Location : Haute Normandie - visitors welcome

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 7:26 am

That's it........That must to be the simplest switchable point around.

Of course the longer it is and the smaller the deviation angle the less dogleg you will have.

I see this is pivoted just befofe the frog and not actually right on it.

It would be easy enough to solder a plate under the rail or even just drill the rail underneath for a M2 thread and stud (as Aristocraft). You'd need to play about with the angles and distances (or be good and geometry...Pythag and all that). study

I wonder how rollingstock will go through. I imagine LGB/Playmobil with swivelling axles might be ok.

Over to you Mikey...Expect to see something installed and working by tea-time! Laughing
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David Grantham



Location : Midlands, England

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 1:26 pm

Excuse me asking chaps but what is the purpose of having a single point blade ?


David
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pjti



Location : Galizano, nr Santander, Nth Spain

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 2:51 pm

What is the point of having a single purpose ?

Gets coat in readiness................................... oops wong fowum !

_________________
Wake me up by noon please.

Patrick
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Carl Hibbs
Admin


Location : Haute Normandie - visitors welcome

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 3:09 pm

A witty fool or a foolish wit......oxisms. Razz

Not just a single point blade David but no tapered frog, switch blades, tie bars, check rails etc..

A lot cheaper and easier to construct both in real and maybe model terms but crude.

Have you built it yet Mikey? bounce
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mikeyh



Location : Dordogne France

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 3:21 pm

Built it? I havent finished drawing it yet!
Actually looking at it again I think I'll stick with what I've got because the very next thing would be two curves in order to get the two tracks to separate enough.

mikey
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pjti



Location : Galizano, nr Santander, Nth Spain

PostSubject: Re: A 'Y' slip?   Mon May 24, 2010 9:04 pm

Another interesting one


and

Single-point switch
A single-point switch on the Toronto streetcar system

Single point switches, known as Tongue and Plain Mate switches, are sometimes used on freight railways in slow speed operation in paved areas such as in ports. In the United States, they are regulated by provision 213.135(i) of the Federal Railroad Administration Track Safety Standards. On streetcar (tram) systems using grooved rails, if the wheels on both sides of the car are connected by a solid axle, only one switchpoint is needed to steer it onto one or the other track. The opposite wheel is supported for a short distance by its flange running in the groove.


Taken from Wikipedia

_________________
Wake me up by noon please.

Patrick
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dtsteam



Location : Preston, England

PostSubject: Re: A 'Y' slip?   Tue May 25, 2010 6:44 pm

Apologies for the crappy picture, but heres a nice example of a single rail switch - the original Laxey station on the Snaefell Mountain Railway. It looks like the rail is pivoted right where the frog should be. Presumably the guy on the left has just thrown the point.

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mikeyh



Location : Dordogne France

PostSubject: Re: A 'Y' slip?   Tue May 25, 2010 8:05 pm

All great pics but I particularly like that last one. It shows how much of a dogleg the wheels can handle!

mikey
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KleineDicke



Location : Deep in the Heart of Texas (Houston)

PostSubject: Re: A 'Y' slip?   Thu May 27, 2010 8:53 pm

Just for the sake of arguement, here's another style, sort of a "pointless" set of points. These were commonly used in the USA in the mid-1800's. This is on the 2 foot gauge Sandy River & Rangely Lakes in Maine, USA.

It wouldn't fit your needs, though. I just thought I'd throw it into the mix.

_________________
Bill Wray

"It is one of the happiest characteristics
of this glorious country that official utterances are invariably
regarded as unanswerable."
-Sir Joseph Porter, First Lord of the Admiralty (HMS Pinafore)
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French Chuffed



Location : Droitwich UK

PostSubject: Re: A 'Y' slip?   Fri May 28, 2010 8:14 am

It appears you can find a prototype for everything however bizarre..
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Carl Hibbs
Admin


Location : Haute Normandie - visitors welcome

PostSubject: Re: A 'Y' slip?   Fri May 28, 2010 12:58 pm

looks a bit French to me...Too many frogs.... Razz
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Guest
Guest



PostSubject: Re: A 'Y' slip?   Fri May 28, 2010 2:21 pm

Those are called stub points, and yes, common on lightweight/NG N American lines until the powers that be saw that some serious accidents could occur!
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Montblanc



Location : Albertville (Savoie)

PostSubject: Re: A 'Y' slip?   Wed Jun 02, 2010 8:33 am

Hello

I don't know if it's what you are looking for, but I found this :



Rather expensive, though : 119 at IETB !

Jean-Pierre
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tram47



Location : Aquitaine (France)

PostSubject: Re: A 'Y' slip?   Wed Jun 02, 2010 11:42 am

see ! :



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