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    7.5 inch Gauge Number 5 Turnout Build
    Well the Big Brown Truck pulled up this evening with the last two components of my #5 "turnout build"  :).
    The cast aluminum #5 frog and the CNC milled/machined steel switch points. No excuses, have to finish it now. Maybe I can actually do some 1/8t...  more
    7.5 inch Gauge Number 5 Turnout Build
    Late yesterday, I started to make the setup on my milling machine to machine the notch and tapers for the switch points. But because of the amount of spring and flexing in this aluminum rail, I literally went "back to the drawing board" (my computer cad s...  more
    flex track bending question
    I used SVRR  aluminum track and did not attempt to align the joints thus staggering them.  I did this mainly since I thought that the curved sections looked "smoother" and operated better; I've yet to have a derailment.  I was also careful ...  more
    Better test rollers?
    Dan Gilchrist said:
    Dick Friedman said:
    What was the problem you were trying to solve?  I use the Bachmann rollers on my code 250 aluminum rail, and have used them on 332 brass as well.  They pick up power fine, and roll very well.  Plus, m...  more
    Better test rollers?
    Dick Friedman said:
    What was the problem you were trying to solve?  I use the Bachmann rollers on my code 250 aluminum rail, and have used them on 332 brass as well.  They pick up power fine, and roll very well.  Plus, my steam engine works...  more
    Better test rollers?
    What was the problem you were trying to solve?  I use the Bachmann rollers on my code 250 aluminum rail, and have used them on 332 brass as well.  They pick up power fine, and roll very well.  Plus, my steam engine works fine on them.
     
     
    Back-to-back wheel gauge
    All track is not a perfect 45mm spacing. I have found this to be true on my layout and friends as well. (Even indoors).
    Aluminum is the worse culprit. Especially on the curves.
    The rail head can tip in or out a little.
    The problem is usually fixed after I...  more
    The Pembroke & Cheltenham High Desert Railroad: Planning
    @Mitch.   FYI,  The thermal expansion of aluminum rail is huge compared to the Stainless,  you will have to engineer for the expansion and contraction with your wide temperature swings.  
     
    I too live in the high desert of NM @ 54...  more
    The Pembroke & Cheltenham High Desert Railroad: Planning
    THAT is the DEFINITION of oxidation, not corrosion.
     
    My reference sources are dictionaries and scientific texts, besides my scientific training. You can call it corrosion till the cows come home.
     ...  more
    Skeleton log cars
    John Bouck said:
    Joe, 
    I don't anneal brass. Since it holds its shape after you bend it, I just use those flat pliers. No problem.
    Years ago, I worked in a sheet metal shop, where we used hydraulic brakes on all kind of material: aluminum, brass, tin...  more