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Double Crossover - On Members Workbenches. - More Practical Help - Your Model Railway Club
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 Posted: Mon Jan 20th, 2014 06:51 pm
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MaxSouthOz
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Seeing that Sol has dobbed me in, I'd better "come out" and admit that I'm dabblling in hand made.

In this case it's a double crossover.

The pattern is by Templot.



I'm copying what I can find about the double crossovers, but basically making it up as I go along.



I need two for the new layout, so I thought I'd make them together.



Here's the first one.



. . . and here's how I propose to wire it.

The soldering is rough as I have had the rails on and off a few times.  It should still work, though.

Hopefully Mark II will look a bit better.  :lol:

I have an Atlas caboose that I use for track testing.  It runs happily through it.




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 Posted: Mon Jan 20th, 2014 08:31 pm
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60019Bittern
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Looks nice Max. Unfortunately my eyes wouldn't let me do that sort of thing now. If I could I would go all hand-made track so that it can be custom built to suit the location.



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 Posted: Mon Jan 20th, 2014 09:34 pm
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Looks good Max, but why do the two middle frogs need to be dead?


Ed



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 Posted: Mon Jan 20th, 2014 10:03 pm
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shunter1
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:):)Nice one Max or should I say two?

All looking very neat and should be a credit to the exhibition railway:thumbs.

Those double cross overs with diamond combined could be a swine to wire for live frog switching?

I am still trying to figure out how to make a  B 6 outside single slip with Templot:roll:.

Did those magnifier items arrive yet Max?

Keep up the great trackwork.

Derek.

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 Posted: Mon Jan 20th, 2014 10:31 pm
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col.stephens
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Very impressive. :thumbs

Terry

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 Posted: Tue Jan 21st, 2014 01:32 am
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MaxSouthOz
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Thanks, guys.

That's why I have been driven to it, Mike.  The Walthers one doesn't quite fit - plus I think they look better.

It's the only way to overcome the polarity challenges, Ed.

They shouldn't be difficult to wire now I've made the coloured plan, Derek.  Yes, the magnifiers have arrived.  They have made a real difference.

I'm hoping number 2 will be neater as I won't have to be taking the rails on and off.  This one was a real learning experience.  As I progress to the single crossovers and the simple turnouts, they should get better and better.

One day I hope to get back to my real passion (RR&Co).  :lol:



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 Posted: Tue Jan 21st, 2014 02:17 pm
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RFS
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Setting the polarity of those two centre frogs should not be a problem I would have thought.  If I can call the points top left (TL), bottom left (BL), top right (TR) and bottom right (BR) this is how I would do it.

The right hand centre frog is simply wired together with BL's frog and the left hand centre frog with TR's frog, and switched by their respective polarity switches, as both pairs need the same polarity when the route BL-TR is set.  With the BL-TR route not set then the polarity of these frogs is reversed, and is thus correct for the TL-BR route. 

So all you would need to remember is that when using the TL-BR route you must not also have the BL-TR route set.

I'm assuming you're DCC though ...



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 Posted: Tue Jan 21st, 2014 02:54 pm
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Ed
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I was just looking out of interest Max as all my points are insulfrog and I won't need a double crossover, but I'd just about got to the same conclusion as RFS.

It's just a case of not having both crossovers set at the same time, which I am led to believe is correct in the prototype due to interlocking.

Interesting though.


Ed



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 Posted: Tue Jan 21st, 2014 04:00 pm
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Gary
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Very nice work Max. How long have you been making your own track ?

Cheers, Gary.



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 Posted: Tue Jan 21st, 2014 05:20 pm
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MaxSouthOz
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Thanks, Robert.  I'm DCC and RR&Co.  It won't be a problem.

I could have made them insulfrog, Ed.  But that would have been too easy.  :lol:

Why would you think that there will be a problem?

It's a simple combination of four turnouts.  The crossover just needs a dead frog each side and a K frog top and bottom.

The ESU SwitchPilot will be programmed to make sure the pathways are locked together and TrainController Gold double checks everything.

Thanks, Gary.  I've been at it for a while now.  Ever since I finally had enough of Peco - and because I want turnouts that fit the peculiar requirements of my layouts.  My new RR&Co layout will have all hand made turnouts and ESU serovs.  No clicks, no clunks, no groans - just silent operation; with better looking turnouts that are the right shape and size.

I plan to make more movies and the unrealistic noises made by solenoids and slow motion motors spoil the effect - to say the least.

I have been busy on other fronts and haven't posted here for a while, so I thought I'd better contribute.

This is all I've got.  Back to the salt mines.  :cool:



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 Posted: Tue Jan 21st, 2014 05:55 pm
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Gary
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Talking of Peco track, have you seen this thread on that other forum ; http://www.rmweb.co.uk/community/index.php?/topic/58826-grantham-the-streamliner-years/ 

The way this modeller use Peco could 100, has been done really well.

Cheers, Gary.



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 Posted: Wed Jan 22nd, 2014 01:13 am
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MaxSouthOz
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It looks terrific, Gary.  I reckon I spotted a curved double crossover.  :roll:

Peco Code 100 is quite robust.

I finally spat my dummy the other day when a complex schedule was trashed by one of my Peco Code 75 turnouts.

All of the yards are Code 75 for effect, but they just don't cut it I'm afraid.  In any case I had to get rid of the noisy solenoids, so away I went and ripped them all out.  :lol:



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 Posted: Wed Jan 22nd, 2014 03:16 am
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shunter1
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All this talk of servo,s has me intrigued Max.
Plus Brian reckon,s on around a tenner per point which would be a big cost saving.
Ripping up track Max, Has the axe bug bitten you?
cheer,s,
Derek.

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 Posted: Wed Jan 22nd, 2014 03:55 am
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Gary
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MaxSouthOz wrote: It looks terrific, Gary.  I reckon I spotted a curved double crossover.  :roll:

Peco Code 100 is quite robust.

I finally spat my dummy the other day when a complex schedule was trashed by one of my Peco Code 75 turnouts.


The track in the link looks brilliant and you need to take a second look at it to realise that it is code 100 ! Post no.38 really shows how good his track laying is and how good code 100 can look.  As for the curved pointwork, double slips and cross overs, well..., awesome is an understatement. 

So I take it you wouldn't use solenoids on code 75 points, too brittle for the movement ?? :roll:

Cheers, Gary.



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 Posted: Wed Jan 22nd, 2014 04:48 am
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MaxSouthOz
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IMHO servos are the only way to go - for any turnouts, Gary.

Quiet

Gentle

Did I mention quiet?

ESU  SwitchPilots - SP Extensions for the frog switching and ESU metal gear servos.

I'm only ripping out the turnouts, Derek.  I can't justify pulling up the track.  Some bits will have to go as I will replace the double slips with the double crossovers.

I just wish I'd known all this stuff when I started.  :roll:



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 Posted: Wed Jan 22nd, 2014 08:45 am
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[user=878]Gary
So I take it you wouldn't use solenoids on code 75 points, too brittle for the movement ?? :roll:

Cheers, Gary.


Gary, solenoids are OK for Peco turnouts but not Tillig.

The noise of solenoids & Tortoise/Cobalt do get picked up by movie cameras so that is why Max is going down the servo path.

I guess time vs cost & noise when selecting methods of operating turnouts, needs to be taken into account.



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 Posted: Wed Jan 22nd, 2014 12:50 pm
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Gary wrote: Talking of Peco track, have you seen this thread on that other forum ; http://www.rmweb.co.uk/community/index.php?/topic/58826-grantham-the-streamliner-years/ 

The way this modeller use Peco could 100, has been done really well.

Cheers, Gary.

The Locos are the right shade of green as well :mutley


Ed



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 Posted: Wed Jan 22nd, 2014 03:48 pm
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Ed wrote:
The Locos are the right shade of green as well :mutley


Ed

I didn't know that the LNER painted their locomotives Malachite Green.... :mutley:mutley

Cheers, Gary.



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 Posted: Wed Jan 22nd, 2014 05:04 pm
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60019Bittern
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No, it was Great Western Green.



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 Posted: Wed Jan 22nd, 2014 05:23 pm
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Ed
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Gary wrote: Ed wrote:
The Locos are the right shade of green as well :mutley


Ed

I didn't know that the LNER painted their locomotives Malachite Green.... :mutley:mutley

Cheers, Gary.

Didn't know REL Maunsell painted anything Garter Blue either :mutley:mutley:mutley


Ed



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