----- Original Message ----- 
From: pickycat95

The ACE trucks were the only ones to pick that one frog of the diamond. And 
the track is curved as it goes through the frogs . . . . . . . . . . . . . . 
.
> > > > > > > > > > > > > > >
If the wheelsets and the trackwork are to specifications (S3 & S4 as I 
recall), that shouldn't happen, irrespective of whether the journal is cone- 
or cylinder-shaped.  Check-gauge pulls the flange away from the point so 
there's no contact.

But that's just theory.  In reality, who knows?  I think if I had that 
situation I would want to get out my test-car, the one that's just a clear 
plastic floor, affix one of the offending ACE trucks, and roll it thru the 
frog & guardrail area while watching carefully.

tom Hawley  --  Lansing Michigan
 



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