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                                       3 way point help
     
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1st message | this message only posted: 11 Dec 2016 23:59
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gibbard d
United Kingdom

 

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Hi guys
Is anyone able to help me out by tidying up and adding the missing V crossing and check rails to my attached 3 way turnout please?
ive drawn it from 2 straight B6 turnouts. the positions, lengths and radius ideally cant be changed as the point needs to fit existing track layout already drawn. ive tried to follow the video on tandem points but every time its moving and altering the possition of the points and I'm not fully understanding the process :(

Also is there a way of inserting/ showing the differnt types of chairs required as i would like to use the C&L chaired track but am new to to this and so dont know which chairs are required or where they sit within the point work

Many Thanks


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Attachment: 3 way.box (Downloaded 87 times)
 
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2nd message | this message only posted: 12 Dec 2016 13:31
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from:
Stephen Freeman
Sandbach, United Kingdom



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Hi,
Unfortunately it won't work as drawn as the second B6 doesn't have enough clearance at the toe end, so I'd try an A6 instead. I can't advise on the central vee as I do it a "non-approved way", which I worked out for myself years ago, nowadays I know there is supposed to be an easier way to do it but it's quicker for me to carry on doing it the old way.
Chairs? not yet really.
I expect Martin will advise further.
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3rd message | this message only posted: 12 Dec 2016 14:05
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from:
gibbard d
United Kingdom

 

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ok cheers for the clearance advise. will changing the second turnout to an A-6 affect the exit positions on the turnout, meaning ill have to adjust and redraw the attaching tracks or does it just shorten the length of the blades/point?

i should add the turnout has been copied off a larger layout design so i have the one turnout instead of 7/8, that's the reason I'm worried about the entrance and exit positions moving

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4th message | this message only posted: 12 Dec 2016 22:59
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from:
Tony W
North Notts., United Kingdom

 

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If you wipe the second template to the control and move the peg to the Ctrl  4 position, you can adjust the switch type without the crossing moving. I have done this and attached the A-6 version box file. The next problem is that the middle crossing will be very close to the adjacent running rail so a full crossing vee will not fit.
Regards
Tony W.

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Attachment: 3 way A6.box (Downloaded 79 times)
 
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5th message | this message only posted: 13 Dec 2016 00:50
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

Post your questions on the forum where everyone can see them and add helpful replies.
Hi,

Welcome to Templot Club. :)

As others have said there are a few issues with your tandem to fit in the check and wing rails for the middle crossing.

Ideally the first turnout needs to be a bit longer, maybe a B-7 or a 12ft switch -7.

You might also do better changing to 4-SF (00-SF) rather than 00-BF, as the narrower flangeways make more room.

If you can post a bit more of your .box file so that we can see how the connecting tracks align we may be able to find a better solution.

For the chairs, the best way is to study an Exactoscale template from C&L. If you are a member of the Scalefour Society you can download some of them from the Society's web site and zoom in to see all the chairing detail round the crossings and switch heels.

Here is a drawing showing the basic arrangement for crossings. You can see that an L1 bridge chair is used where there isn't room for a standard S1 chair:



The "A" chair under the nose of the vee is normally built up as a "slab & bracket" chair with a bolt through the assembly:


Thanks to Mick Nicholson for this pic.

The ends of a check rail have special angled chairs to create the flared ends.

regards,

Martin.

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6th message | this message only posted: 13 Dec 2016 01:23
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from:
gibbard d
United Kingdom

 

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cheers for the advise/ instruction. I see what you mean about the v crossing
style="background-color: rgb(255, 255, 238);"I've changed the first turnout to a B-8 and left the second at A-6 which appears to have solved the problems with the original setup

style="background-color: rgb(255, 255, 238);"I haven't managed to 100% line the centre V with the other rails  :( will this be suitable for constructing the turnout or do I need to fully aline all the rails to be able to follow the drawing during construction?
style="background-color: rgb(255, 255, 238);"

style="background-color: rgb(255, 255, 238);"I've shoved the timber to what I believe to be correct, could check and confirm or advise any that are wrong and need adjusting

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message ref: 20920
Attachment: 3 way modified.box (Downloaded 74 times)
 
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7th message | this message only posted: 13 Dec 2016 01:25
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from:
gibbard d
United Kingdom

 

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cheers for the advise/ instruction. I see what you mean about the v crossing
I've changed the first turnout to a B-8 and left the second at A-6 which appears to have solved the problems with the original setup

I haven't managed to 100% line the centre V with the other rails   will this be suitable for constructing the turnout or do I need to fully aline all the rails to be able to follow the drawing during construction?


I've shoved the timber to what I believe to be correct, could check and confirm or advise any that are wrong and need adjusting

(I don't know where all that extra text came from
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8th message | this message only posted: 13 Dec 2016 01:25
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from:
gibbard d
United Kingdom

 

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cheers for the advise/ instruction. I see what you mean about the v crossing
I've changed the first turnout to a B-8 and left the second at A-6 which appears to have solved the problems with the original setup

I haven't managed to 100% line the centre V with the other rails   will this be suitable for constructing the turnout or do I need to fully aline all the rails to be able to follow the drawing during construction?


I've shoved the timber to what I believe to be correct, could check and confirm or advise any that are wrong and need adjusting

(I don't know where all that extra text came from
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9th message | this message only posted: 13 Dec 2016 01:35
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from:
gibbard d
United Kingdom

 

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the requested Box file
the attached plan is still with both turnouts at B6's

I'm limited for space on the base boards of an overall length of 10ft and width of 2ft4, this is the reason for the two 3 way turnouts. the first LH turnout feeds into the coaling roads the rest feed into the engine shed roads.
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Attachment: engine shed design.box (Downloaded 95 times)
 
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10th message | this message only posted: 14 Dec 2016 09:23
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from:
Stephen Freeman
Sandbach, United Kingdom



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gibbard d wrote: the requested Box file
the attached plan is still with both turnouts at B6's

I'm limited for space on the base boards of an overall length of 10ft and width of 2ft4, this is the reason for the two 3 way turnouts. the first LH turnout feeds into the coaling roads the rest feed into the engine shed roads.
Hi,

I've done the 3 ways my way, however there is of course still the consideration that the wing rail on the central vee is likely to cause you to need to take extra care (the length shown is only an approximation) to make sure that vehicles on the straight path will clear the end of it.

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Attachment: high_road_2016_12_14_1013_48.box (Downloaded 101 times)
 
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11th message | this message only posted: 14 Dec 2016 13:30
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from:
gibbard d
United Kingdom

 

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Martin Wynne wrote:
You might also do better changing to 4-SF (00-SF) rather than 00-BF, as the narrower flangeways make more room.

Hi martin cheers for the advise regarding the chairs

will changing to 4-SF (00-SF) still allow me to run RTR locos without changing back to backs? as ill be running my Granddad's locomotives which he also runs on his layout built  from peco track, that was my main reason so going with standard 00.The loco's ill be running are all newish RTR steam, with the smaller closer to scale flanges and a couple of kit built locos with Romford wheelsets.

if the change doesn't affect modern RTR locos is there a way of changing the whole template over with out it affecting the geometry and positions? as when I tried just now it only changed the one turnout and moved its position :(

many thanks
Daniel 

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