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Building 2-Rail Turnouts???
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 Posted: Fri Jan 27th, 2017 12:42 am
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Bob D
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Thanks guys, I was giving super glue some thought.

BobC, I've been testing 2-rail trucks/wheels and even converted one of my gondolas to 2-rail, so far it works. The 2nd turnout actually works better than the first so I'm hoping as I continue each one will get better than the last.

I spiked the points starting 6" from the pointy end, I think I could go closer, but it's working for now and the rail is bending easy enough using the Caboose Industries ground throws.

BobD



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 Posted: Fri Jan 27th, 2017 08:50 am
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Robert Comerford
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If your dimensions through the frog area work for both wheel profiles you are set Bob.
It is often a slippery slope...you improve one aspect and other aspects suddenly seem to need improving to match :>)
cheers
BobC

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 Posted: Mon Jan 30th, 2017 11:15 pm
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Bob D
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Robert Comerford wrote: If your dimensions through the frog area work for both wheel profiles you are set Bob.
It is often a slippery slope...you improve one aspect and other aspects suddenly seem to need improving to match :>;)
cheers
BobC

I hear ya!!!

I don't mind replacing the 3-rail wheels on my rolling stock with 2-rail, but replacing the drivers on my engines would be a lot-o-$$$.  Of course I might hit the lottery (if I played) so I'll never say never ;)



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 Posted: Tue Mar 14th, 2017 10:03 pm
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Robert Comerford
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So how is the point production going Bob?
regards
BobC

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 Posted: Tue Mar 14th, 2017 11:02 pm
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Reg H
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Bob D wrote: Robert Comerford wrote: If your dimensions through the frog area work for both wheel profiles you are set Bob.
It is often a slippery slope...you improve one aspect and other aspects suddenly seem to need improving to match :>;)
cheers
BobC

I hear ya!!!

I don't mind replacing the 3-rail wheels on my rolling stock with 2-rail, but replacing the drivers on my engines would be a lot-o-$$$.  Of course I might hit the lottery (if I played) so I'll never say never ;)

Bob:
I once took an AHM O-Scale kit locomotive (actually, two of them), flopped them on their backsides, applied power, and carved down the flanges with a file. I had to be a bit careful because those drivers had plastic centers and I had to take care not to get the tires too hot.
I think I may still have one of those locos in a box somewhere.  The other, an 0-8-0, got sold along with all my other standard gauge stuff.
It is not EXACTLY an approach I would recommend.  
However, it seems to me that the drivers could be chucked in a lathe, with a suitable fixture so they don't need to be dismounted from the axles, and turned down.  You just need to find a reliable machinest who would it for the love of the hobby.
Reg



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 Posted: Wed Mar 15th, 2017 12:07 pm
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Bob D
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BobC,

I'm on my 6th turnout. Had a bit of a slowdown due to passing a 10mmx6mm kidney stone while working at the golf course a few weeks back! No pain or blood, must have formed in my bladder, if it had formed in the kidney I would have been on the floor. The next weekend I passed 2 more but they were 1/3 the size of the big one. I took a photo of the big one and sent it to my urologist. His office called a couple of days later and wanted me to come in. When I showed him the stone he shook his head and said "You PASSED this?" It looked like grains of sand glued together.

I had a time with the 5th turnout, just didn't go right. When I finished it it appeared to be good but last night I picked it up and there's a 1/4" bend in the stock rails (maybe I should use it on a curve?!?!?!). So actually I'm on my 5th one as I need to redo the one with the bend.

The first 3 I did using some old pieces of rubber anti-fatigue matting, no problem. The next couple I used some new matting and it's much softer than the old stuff, when I put a spike in I have to put a piece of wood underneath to keep the other spikes from popping up. Maybe I need to let it sit outside and "cure" before I use anymore of it.

Reg, Joe Foehrkolb offers machining of the drivers, but for now I'm going to leave them alone. Not sure if I want to spend the $$$ on something that seems to be working, although they would look better than the pizza-cutters they are now.

BobD



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 Posted: Wed Mar 15th, 2017 09:44 pm
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Robert Comerford
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That sounds like a big ouch Bob! Unfortunately there are some nice things one needs to give up to reduce stone formation:>)

I did make use of a rubber type mat years ago for underlay. Sold for camping use.
I seem to remember it would sometimes deform and not return exactly to shape. I went back to using cork. As you say it might need to harden first to hold the spikes securely.

I've not had much experience with spiking track except as a detailing thing. My scratchbuilt track has been soldered or glued as the primary means of construction.

Expect the odd failure Bob, I know I do :>)

In an ideal world one would discard the 3-rail stuff and buy in 2-rail equipment. You have achieved a big improvement in the look of your railway by removing that ugly centre rail at minimal expense.
cheers
BobC

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 Posted: Wed Mar 15th, 2017 10:38 pm
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Bob D
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Bob,
Built #6 today, all was straight as an arrow.

I tried something different on #5, won't do that again!

One of the old hands told me he started by putting the frog points down 1st. I've been putting the long straight stock rail down 1st, so i thought I'd try his method...total failure.

#6 got the long stock rail 1st and built the rest measuring off that.

Now to redo #5.

The urologist had put me on 3 meds to keep from getting kidney stones almost 4 years ago. I've passed a few, but none of them have been big (my largest was the size of a marble, maybe 10 mm diameter and had to be lasered out). The ones (except for this last 10x6mm) lately have been small and passed easily.

They will make a grown man cry.

BobD



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 Posted: Wed Mar 15th, 2017 11:27 pm
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Reg H
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Bob:
Every now and then I turn out a stinker. Usually can't figure out why. 
It really stinks when I don't realize the turnout is a stinker until I have it spiked in place and try and run a piece of equipment through it.
I build mine up on the bench and start with the frog points. I would probably do it your way if I were laying them in place.  In fact, come to think of it, I have done it that way in the far and distant past.
Reg



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 Posted: Thu Mar 16th, 2017 01:15 am
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Bob D
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Reg,

I took a look at turnout #5 and it looks like I need to relocate 2 pieces of rail to get the bend out, the rest seems to be good, go figure.

I'll check the others with my gauge just to make sure they're good.

I have a new layout plan in the works, I may build part of it to test the turnouts before I tear down the old layout in the other part of the room.

BobD



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