Subject:
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Draft of a new driver wheel
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 28 Oct 2003 18:32:26 GMT
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Highlighted:
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Hi all!
In the past we have collected some demands we train heads have on driver
wheels. These have been requested several times at TLC so far.
Here comes the wishlist to make up a draft for a new driver wheel:
1.) technic axle center
2.) peg hole for connecting rods
3.) diameter bigger than set 7750 and smaller than set 396
4.) flange design similar to 9V wheels
5.) narrow gaps between two wheels
6.) distance between centers of two neighbour wheels in a “common” dimension
(4 stud / 5 stud / 6 stud?)
7.) running diameter dimension fitting to 9V and 12V wheel diameters
8.) wheel thickness higher than 9V and less than 1 stud (avoid contact
between moving rods and wheel)
9.) counterweight as “click-on” extra part, (if 2 moulds were possible)
10.) shape not 100% after real prototypes but kind of “legoish”.
11.) center stud with Legologo
12.) ((Extra wish -Additionally a wheel without flange (blind driver) should
be available.))
***************************************************************************
Solution: A wheel in diameter of nearly 5 studs (1 plate distance between
neighbour wheels) as seen in the following pictures. A round 1x1x0.33 plate
can be placed in the center.
The unofficial *.dat part-file of the wheel itself can be downloaded here
The *.dat part-file of the counterweight can be downloaded here
*************************************************************************
A first draft of an engine with these wheels has been done here:
(click to enlarge)
************************************************************************
Question:
If only one single mould would be possible due to too low demand and high
costs for new moulds, what would you prefer: Should the counterweight be
included in that wheel-mould or not? In case of only one mould being possible,
the users would surely obmit in blind drivers (since anybody could easiely cut
the flange off himself - better have a wheel with flanges than not having
it....).
Any further importeant points I missed in my design? I have put quite a lot
of time into this “draft” to make this new part as usefull as possible. So
hopefully you have not a too big demand for a further change in design.
Leg Godt!
my Homepage:
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Message has 12 Replies:
 | | Re: Draft of a new driver wheel
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| In lugnet.trains, Reinhard "Ben" Beneke wrote: (snipped the whole message) Very nice, but unless you're doing some tricks I can't see in your image, your example locomotive won't be able to handle corners. You won't be able to put three of these (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| awsome!! dude this simply rocks. Anyway a few minor points. Have it molded in black as it is more realistic in the USA and in red for the Europeans. Also drive rods! I have never seen a drive rod that is realistic to the squared off shape of the (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| (...) I like these criteria, and since we're talking about a MOLD not a part, color is irrelevant, it can be molded in grey or black or red or whatever... I can live with red as the first color run as long as we know another color is coming behind (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| (...) Ben, One thing that would be really nice that LEGO also doesn't provide is a way to pick up track power other than the motor wheels. Now that would be a tricky proposition with the design you came up with. How about a wheel truck similar to (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| I have it on good information that a third party supplier will soon be sending out a set of custom drive wheels meeting many of these criteria to a select group of AFOL train builders for evaluation. Cheers Ben Fleskes (...) <snip> (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| (...) True, or get somebody with (CNC) lathe access to do this :D I'd prefer a wheel with counterweight. It might even help protect the part against distortion, since due to the spokes the part might otherwise be somewhat fragile. (...) Let me know (...) (20 years ago, 28-Oct-03, to lugnet.trains)
| | | Re: Draft of a new driver wheel
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| (...) All right, I'm willing to risk some ridicule for not knowing this. What is the purpose of the counterweight? Is it to balance the load of the drive rod, so that the wheel never has to "lift" and weight, per se? What is the "weight" like? A (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| Hi Ben, many thanks for sharing this "new part". Your design is well thought-throw and it would be "THE" addition to train parts. Hopefully there will be someone somewhere reading your article who is able to bring this piece into reality? 1000grüße (...) (20 years ago, 28-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| (...) This is something i have spent hours working out (in my mind) as I walk the dog every night! My conclusions end up lookin pretty much the same as yours (...) Yes (...) yes (...) How did you reach this? (...) yes (...) do you mean the gap (...) (20 years ago, 29-Oct-03, to lugnet.trains, FTX)
| | | Re: Draft of a new driver wheel
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| Ben, Great work here - this is simply gorgeous. -- Bryan "Reinhard "Ben" Beneke" <ben@1000steine.SPAM-block.com> wrote in message news:HnHCu2.1BBt@lugnet.com... (...) (20 years ago, 29-Oct-03, to lugnet.trains)
| | | Re: Draft of a new driver wheel
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| (...) snip One question, I can't really tell from the images: Is the distance between the axle hole and the peg hole a standard stud distance? JohnG, GMLTC (20 years ago, 5-Nov-03, to lugnet.trains, FTX)
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