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In lugnet.trains, Jan-Albert van Ree writes:
> My observation :
> Most LEGO engines are simply too light! The motor has more power, but it
> can't be transferred onto the track because of the lack of grip.
I am thinking that there is a FAQ entry in here somewhere on weight. I am
pressed for time but
- engines benefit from more weight, up to a point... additional weight
(especially over the drivers) gives additional traction/adhesion. The 4561
is a canonical (counter) example of this, it is so light it can't hardly
move itself much less very many cars. Rubber helps but is not a panacea,
just an aid.
- train cars, surprisingly, ALSO benefit from more weight. At least, if you
have very very light cars in long trains you cannot back up at all, you will
derail something, and further, you cannot go around corners without
derailments. While lots and lots of weight is not good, you do want enough
weight on each car that it adheres to the track reliably.
What the best weights are is not clear to me. This info has been calculated
for other gauges like HO and N.
> > > I'm not surprised that I'm the first person to respond to your post. Those
> > > of us who are not "experts" are usually ignored when we post in this venue.
>
> > This depresses me, too. This was my first LUGNET post and I believed the
> > hype that this would be "the friendliest place on the Internet." Does that
> > not apply to lugnet.trains?
>
> So many hours, so little time is my excuse in this...
> I try to follow every posting that is made in groups I check, but unless
> the title captures my interest I'm likely to skip it.
That's me too. I do think it's good to get engaged. Just don't give up after
just one post. Participate in ongoing discussions too. As Ben said, the
hobby has grown and it's not just a single tightly knit circle with everyone
in it any more.
But all contributions are valuable. This is a great topic... it's just that,
like Ben, I've said my piece about quality etc and don't want to repeat
myself too much.
At any rate welcome to lugnet.trains, Paul and other new readers!
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Message has 1 Reply:
 | | 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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Message is in Reply To:
| | Re: My Santa Fe Train Kit Theories
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| (...) My observation : Most LEGO engines are simply too light! The motor has more power, but it can't be transferred onto the track because of the lack of grip. With my 4551 Crocodiles and my MOC DB211 I added some weight bricks, as found in old 12v (...) (22 years ago, 9-Oct-02, to lugnet.trains, lugnet.lego.direct)
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