Subject:
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Re: Some questions about hoppers from a train newbie
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 5 Jun 2002 15:51:33 GMT
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Viewed:
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1022 times
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In lugnet.trains, Larry Pieniazek writes:
> In lugnet.trains, Thomas Main writes:
> > I went for a bike ride last weekend in a town that had a railroad. There were
> > a bunch of hoppers lined up by the road at one point, so I took some pics. I
> > hope to model a hooper in LEGO, but I have some general questions about how
> > they work first.
> >
> > **
> > My main question is how do they discharge? See this pic:
> >
> > http://www.appstate.edu/~main/hopper/undercarriage.jpg
<snip>
> > Also,
> > how do the flaps actually open? It looks like the "v" shaped bracket would
> > prevent the flaps from opening.
> > **
>
> Not sure about that part.
That bracket is actually an actuator. :) There are 3 joints in it; the
bottom of the V is fixed to the frame, the others are just a joint in the
arms about halfway. You can see about 1/3 of the way up on the left that
there is an arm attached from higher up. That arm would rotate the V, which
would pull the flaps open.
HTH
James
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Message is in Reply To:
 | | Re: Some questions about hoppers from a train newbie
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| (...) Correct. They discharge over track that has an opening (elevated or not)... (...) Not sure about that part. (...) Yes, it is a "handbrake". It's used when the car is not coupled to train air to set the brakes manually. The wheel is called a (...) (22 years ago, 5-Jun-02, to lugnet.trains)
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