Subject:
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Re: Scratch building a motor
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 20 Feb 2008 12:29:07 GMT
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Viewed:
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17819 times
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In lugnet.trains, Jean-Marc Nimal wrote:
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In lugnet.trains, Ondrew Hartigan wrote:
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anyone care to chime in on how this setup does with pulling power?
ondrew
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Well, bear in mind I’m no train expert myself - and that this setup was
thrown together a bit hastily; in particular, one gear train was too loose
and would do an horrible noise when tortured.
That said, I used it to pull a few of Ludo Soete’s Belgian railcars, which
are quite heavy, and it seemd to bear the load without trouble. It probably
wouldn’t take more than 10 regular cars, but I honestly don’t know.
Another issue is the friction on the rails - the standard bands provided with
the RC wheels aren’t too good. I tried some alternates in Brasschaat that
someone else had made, but it wasn’t better. Didier Enjary was kind enough
since then to point me to a standard LEGO rubber belt
(x71) which works like a charm, but I
didn’t try it in real conditions.
I’d happily do more tests, but that’ll have to wait as I’m busy for the
moment. I’ll probably take that model, or a better one, to Fana’Briques in
Rosheim and see what kind of speed I can get from such a setup.
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What I’d like to know about this set-up is how it copes with going over points.
I’ve taken track power up into a mechanism through the pivot-point of a bogey,
but I haven’t powered a truck down through the pivot point like this.
I can see that that would put some torque on the bogey, causing it to favour
turning to one side. This could cause trouble going over points (switches)
since these operate primarily by guiding only one side of the wheelset.
Jason R
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Message is in Reply To:
 | | Re: Scratch building a motor
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| (...) Well, bear in mind I'm no train expert myself - and that this setup was thrown together a bit hastily; in particular, one gear train was too loose and would do an horrible noise when tortured. That said, I used it to pull a few of Ludo Soete's (...) (17 years ago, 19-Feb-08, to lugnet.trains, FTX)
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