Subject:
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Re: a trick to make NEW trainwheels work - PICTURE SERIE
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Newsgroups:
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lugnet.trains, lugnet.lego.direct
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Date:
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Sat, 26 Oct 2002 03:16:38 GMT
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Viewed:
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419 times
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Hi There,
This is exactly what I have done to all the wheel sets on my Santa Fe
train (2 engines, 5 cars), and it works great now. I have also had a
problem with the underside of the 10022 cars catching on the track when
they crest a hill in a turn. this I overcame by replacing the two 2X6
plates on the bottom with six 2X2 tiles.
Pete S.
Reinhard \"Ben\" Beneke wrote:
> In lugnet.trains, Steve Barile writes:
>
>
> > Taking the low road...
> > I was thinking how to shave off some plastic from the wheel flange. And it's
> > not that big of a deal the roundness of the flange isn't as critical as the
> > the roundness of the wheel tread.
> >
> > But then it hit me, using a small jewelers file remove some materal from the
> > wheel block where the wheels are hitting. see photo at:
> > http://www.brickshelf.com/gallery/SEBarile/Misc/wheelsset-mod.jpg
> >
> >
>
> Hi Steve,
>
> what you have done here seems to be exactely what the German guy did (the
> links I gave at the first message of this thread).
>
> Only his description where to cut has been so fuzzy, that even I as a German
> did not fully understand him....
>
> But your excellent picture tells at least anybody with some experience in
> technical drawings very clear what to do. Thanks for sharing this! (It
> perfectly fits to what I have measured out for the wheel sets here:
> http://news.lugnet.com/trains/?n=18151
>
> I am really convinced, this is what we have to do to fix all main problems.
> The suggestion of Klaas might be really helpful too, but in my eyes he is
> avoiding the problem of friction between wheel and frame by a bypassing of the
> basical problem.
>
> The wheel sets are meant to have a needle bearing (tip in a 'pan' - those
> cause lowest friction and are therefore widely used in model railroad and in
> clockworks). If you use Klaas way to improve the wheel sets, they are much
> superior against the standard wheels with friction between wheel and frame,
> but they are still a little bit less optimized than needle bearings. (1)
>
> Kind regards,
>
> Ben
>
>
> (1) sidenote: needle bearings do only work proper for low loads, so in the end
> for the heavy Santa Fe engine and coaches the solution of Klaas may have a
> theoretically higher frictional resistance than the needle bearings solution
> with partly cut frames. Practically it may be the solution with the best
> overall operational behaviour. I think test runs will tell us in a short while
> what is to be done best. Adding pins or cutting small parts of the frame away
> (both not to be seen from the outside of the model).
>
>
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