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In lugnet.org.ca.rtltoronto, David Koudys wrote:
> In lugnet.org.ca.rtltoronto, Anthony Sava wrote:
>
> <snip>
>
> > I have a suggestion for the performance issue, but I'm no engineer so please
> > forgive me if it won't work. Have you tried adding more weight above the
> > drivers? I don't know how much those cylinders weigh, but they're full of air,
> > which can't help things any. Perhaps the slippage is caused too little of the
> > engines weight is being distributed over the driving wheels.
> >
> > I had a similar problem with a small train MOC of mine where I had the motor in
> > the tender, which was little more than the motor itself. There just wasn't
> > enough weight on the motor and it kept slipping. Troy has told me he sometimes
> > adds rolls of pennies to his MOCs to make the motors more efficiant. Granted,
> > this is all about 9v motors, but the theory seems to be the same, at least to
> > me.
> >
> > --Tony
>
> Great ideas Anthony!
>
> I did put a LEGO boat weight right on top of the drivers, and the 9v motor is
> pretty close as well. I haven't looked at it in a few days, but plan on
> modifying it before the weekend to see if I can get it to do a complete circuit.
>
> Thanks for responding!
>
> Dave K
Another idea (and I'll stop after this, I promise!) would be a bit harder to
implement, but may work in the end. How about removing one of your trailing
pairs of wheels and redesign in a fourth pair of drivers, making your train from
a 4-6-4 to a 4-8-2? (or even a 4-8-0). This way you could take advantage of
all that weight in the cab (as it looks like its full of bricks and equipment)
to increase the tractive effort.
--Tony
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