Subject:
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Re: My Santa Fe Train Kit Theories
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Newsgroups:
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lugnet.trains
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Date:
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Thu, 10 Oct 2002 04:18:05 GMT
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Viewed:
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1059 times
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> Quite right. This is why the model scales have brass flywheels on top of
> the motors. As for the rubber, we need actual traction tires (with treads)
> on the wheels, not just wrapped rubber bands.
Figure for steel wheels/steel rail is that you can get 1/4th the weight on
drivers as TE. More for a modern DE loco with anti-slip and AC motors (more
like 1/3rd). As regards traction tyres, no, we don't need them. What is
there should work well enough, given the limits of having to power the motor
from the rails.
> > What the best weights are is not clear to me. This info has been calculated
> > for other gauges like HO and N.
The short answer is that it doesn't matter. As long as you pick a
reasonable figure per inch of car, then they should track reasonably well.
The heavier the cars, the less likely they are to derail (all other things
being equal). But, the more TE required to pull them, requiring more
motors. I have never run into big problems with lego cars except on very
long trains (~50 cars and more), when light (IE piggyback cars made from the
drop center plates) tend to derail on the corners. At more typical train
sizes (5-20 cars), I haven't had problems, but I tend towards smaller cars
than some other people here (Hi Larry, yep, its Eurotrash!).
James Powell
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Message has 3 Replies:
 | | Re: My Santa Fe Train Kit Theories
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| I also am a firm believer in running short trains with LEGO®. Not only do they tax the 9V motors less, but they're easier to manage and somehow convey a more dramatic effect to my eyes...especially when using two-axle equipment. -Harvey (22 years ago, 10-Oct-02, to lugnet.trains)
| | | Re: My Santa Fe Train Kit Theories
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| (...) Euro-trash? Care to explain?? :D As for weight... one weight brick per 9v engine block seems to work fine for me. I refitted my 7760 with a 9v block and it ran great, a LOT stronger than my 4563 engine. After fitting the 4563 with one weight (...) (22 years ago, 10-Oct-02, to lugnet.trains)
| | | Controller Mod (was My Santa Fe Train Kit Theories)
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| We at the SCLTC had noticed the same issues everyone else has mentioned. We love to run long trains and decided to modify controllers to supply more electricity to the tracks. We used the information that someone here at LUGNET had supplied (...) (22 years ago, 10-Oct-02, to lugnet.trains)
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Message is in Reply To:
| | Re: My Santa Fe Train Kit Theories
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| (...) Quite right. This is why the model scales have brass flywheels on top of the motors. As for the rubber, we need actual traction tires (with treads) on the wheels, not just wrapped rubber bands. (...) You can find the NMRA RPs for weight here: (...) (22 years ago, 9-Oct-02, to lugnet.trains, lugnet.lego.direct)
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