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PostPosted: Fri Jul 18, 2008 1:42 pm 
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Joined: Tue Jun 03, 2008 12:37 pm
Posts: 19
I need to purchase some trucks for a few caboose projects I'm woking on and have a choice of standard NMRA or Semi-Scale .088 flanges.

Of course, the .088's will look nicer. Will they perform OK on Fast-Track turnouts?

Thanks in advance


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PostPosted: Sat Jul 19, 2008 8:49 am 
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Joined: Sat Aug 13, 2005 10:48 am
Posts: 365
Location: East Texas - USA
Short answer- yes.

Be certain to have the frog points make a very fine point. The frog flangeway width should be constructed as tight as the fixture will allow.

At the very worst, under some conditions, the wheel MAY drop into the frog gap and create a very slight bump, but there would not likely be a derailment. You can always fill in the flangeway (some do so with solder, others with a bondo putty). Then file the flangeway so that the fill allows the flange tip to ride along through the gap, using the fill as a 'shelf'. You would not often see the 'bump', but the fill makes it fool proof.

-ed-

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-ed mccamey-
COSLAR RR - http://www.coslar.us/
NMRA Standards and Conformance Department
PROTO & FINE Scale Coordinator
I estimate I have about 5 pounds of coupler springs somewhere in the vicinity of my workbench.


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PostPosted: Sat Jul 19, 2008 7:52 pm 
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Joined: Tue Jun 03, 2008 12:37 pm
Posts: 19
Thanks for the info Ed.

Victor


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