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Double Crossover - On Members Workbenches. - More Practical Help - Your Model Railway Club
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 Posted: Tue Feb 4th, 2014 05:49 pm
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shunter1
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Looking Good Max.
Thanks for posting those step by step build photo,s.
Cheer,s.
Derek.

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 Posted: Wed Feb 5th, 2014 02:07 am
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MaxSouthOz
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Thanks, Derek.



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 Posted: Wed Feb 12th, 2014 06:20 am
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MaxSouthOz
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Here is Proto 2.  Nearly good enough for active service.  Exhaustive testing will prove it.



I've changed the geometry and added an extra support for the toes of each of the dead frogs.  Between 506 and 511 spikes.  Every time I count them I get a number between those two.  :oops:

Notice the poor quality control from Peco in the size of the heads of the pins.



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 Posted: Wed Feb 12th, 2014 10:22 am
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Gary
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That is very impressive Max. This pic really shows how much work is put into making the double crossover. Well done, again !

Cheers, Gary.



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 Posted: Wed Feb 12th, 2014 10:26 am
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MaxSouthOz
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Thanks, Gary.  The acid test will be when I push a wagon through the crossover.  ;-)



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 Posted: Wed Feb 12th, 2014 10:42 am
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Petermac
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How many hours work there Max ?

Even if it doesn't work when you roll a wagon through it, you could still park it at the end of a siding somewhere as a monument to your skills - it's a magnificent piece of track building. :cheers:cheers



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 Posted: Wed Feb 12th, 2014 10:52 am
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MaxSouthOz
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Thanks, Peter.  I dread to think - weeks probably.  :shock:



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 Posted: Wed Feb 12th, 2014 01:35 pm
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Spurno
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Brilliant Max.I think you should award yourself an elephant.



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 Posted: Wed Feb 12th, 2014 02:03 pm
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MaxSouthOz
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Thanks, Alan.

OK then . . .

           :mutley



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 Posted: Wed Feb 12th, 2014 02:40 pm
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Barneybuffer
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Really impressed with your double crossover Max. No way I'd attempt something like that, gives me a headache just thinking about it. Well done indeed!



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 Posted: Wed Feb 12th, 2014 03:11 pm
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MaxSouthOz
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Thanks, Ron.  You haven't seen the ones I've binned.  :lol:



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 Posted: Wed Feb 12th, 2014 04:32 pm
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Ed
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You must have the patience of a saint Max.

500+ spikes.

I think you deserve a double elephant at  least  :thumbs:thumbs:thumbs


Ed



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 Posted: Thu Feb 13th, 2014 01:16 am
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MaxSouthOz
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Thanks, Ed.



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 Posted: Thu Feb 13th, 2014 02:35 am
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MaxSouthOz
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I've rationalised the droppers this time as well, by linking them under the rails.

I think it looks a bit neater.



The four green wires are for the four powered frogs.



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 Posted: Sat Feb 15th, 2014 02:49 am
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MaxSouthOz
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I've knocked some offcuts together to make a test rig which will allow me to run locos through.



Excuse the washed out bench top, but you can see the idea.  I will be able to "eyeball" the wheels of the loco.

The acid test here is whether the caboose can be successfully pushed through.



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 Posted: Sat Feb 15th, 2014 10:24 pm
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shunter1
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:):)A most excellent bit of track building Max.

It does look well and a bit of rust on those Peco pins will make a good visual improvement:).

Of Course it will work. Have faith my friend:thumbs.

regards,

Derek.

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 Posted: Sun Feb 16th, 2014 01:50 am
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MaxSouthOz
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Thanks, Derek.  Yes. the webs and spikes still need painting.

However, I have discovered a new design challenge.  The servo motors are rated at 8 grams for a reason.  That's all they deliver.  It's plenty for hinged point rails, but they struggle to overcome the bending force required to hold the solid ones in position.

I'm going to try making cranks to give them some mechanical advantage.

I'll be back later.  :lol:



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 Posted: Sun Feb 16th, 2014 01:56 am
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gormo
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One word Max............Brilliant !!!!
What an exercise in patience and skill..........keep up the good work
Cheers Gormo



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 Posted: Sun Feb 16th, 2014 02:02 am
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MaxSouthOz
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Thanks, Brian.  :cheers



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 Posted: Sun Feb 16th, 2014 11:18 pm
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Bod
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Nothing special here.......

 

 

....just the usual high standard we have come to expect. :lol:

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