Subject:
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Re: First draft of the Lego-Modular Train layout standards posted..
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Newsgroups:
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lugnet.trains, lugnet.trains.org
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Date:
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Fri, 31 Mar 2000 04:56:16 GMT
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In lugnet.trains, Mike Poindexter writes:
>
> Is 44 long enough for 8 wide stock? That translates to a 55 foot long car.
> I would have though 64 studs (80 feet), or at the minimum 56 studs (70
> feet). What is the longest train car that could be considered very common?
> You would have to worry about both the interior of the curve where the car
> hangs over and also the outside of the curve where the nose might stick out
> if the trucks are set back a bit, like they are on many locomotives.
Good point. Perhaps instead of setting a length standard (although that is
useful when calculating siding capacity) the standard should speak to the
envelope of clearance that must be provided. (there must be 4 studs clearance
from the edge of the tie at all heights above 2 bricks above rail, 2 below
that, or something similar)
Then if a large articulated can fit, it doesn't matter how long it is.
Conversely I bet I can make a (pathological) 44 stud long 8 wide that won't
pass the nominal standard. I'll just put the wheels in the very center,
ensuring that the ends swing out and swipe everything.
If you see what I am saying.
Nevertheless speaking in terms of a length that's allowed is an easy way
as measuring clearance envelopes is rather tedious work.
> When this is agreed on for length between wheel sets and length in front of
> the front wheelset and behind the rear one, I will add the clearance
> requirements to the standards.
Precisely what i was getting at, guess I should have read to the bottom. These
lengths matter. Perhaps we need a standard "clearance car" that has to fit.
Anything else is fine as long as it doesn't exceed the loading gauge/clearance
envelope the "clearance car" defines.
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