Subject:
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Re: 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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Wed, 29 Oct 2003 10:41:14 GMT
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Viewed:
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1899 times
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In lugnet.trains, Reinhard “Ben” Beneke wrote:
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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.
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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
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Here comes the wishlist to make up a draft for a new driver wheel:
1.) technic axle center
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Yes
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2.) peg hole for connecting rods
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yes
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3.) diameter bigger than set 7750 and smaller than set 396
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How did you reach this?
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4.) flange design similar to 9V wheels
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yes
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5.) narrow gaps between two wheels
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do you mean the gap between two flanges of adjacent wheels, if so yes
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6.) distance between centers of two neighbour wheels in a “common” dimension
(4 stud / 5 stud / 6 stud?)
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yes
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7.) running diameter dimension fitting to 9V and 12V wheel diameters
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yes
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8.) wheel thickness higher than 9V and less than 1 stud (avoid contact
between moving rods and wheel)
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so the thickest bit is the pin connector hole?
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9.) counterweight as “click-on” extra part, (if 2 moulds were possible)
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Would be nice but by no means essential,
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10.) shape not 100% after real prototypes but kind of “legoish”.
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a generic wheel is best
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11.) center stud with Legologo
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not at all essential (imho)
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12.) ((Extra wish -Additionally a wheel without flange (blind driver) should
be available.))
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perhap the wheel and the flange could be seperate mouldings.
e.g the wheel piece looks fairly similar to the existing large spoke wheel that
people use with the addition of axle and pin holes and no groove arround the
circuference and the flange piece be a pretty simple ring shaped piece with a
click fit onto the wheel
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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....).
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I have also been thinking more complicated than this for electricity pickup
using a metal flange etc but I think simplicity is the key if we are going to
get anyone to make it. This is the one piece that I would be prepared to go
non-lego for
Tim
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Message has 1 Reply:
 | | Re: Draft of a new driver wheel
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| (...) Hi Tim! ??You are asking why I demand this (bigger than set 7750 and smaller than set 396)? Both sizes do exist. So I see no highly urgent need for those. The size inbetween is not only a compromise, but in my eyes the golden center. (...) (...) (20 years ago, 3-Nov-03, to lugnet.trains, FTX)
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Message is in Reply To:
| | Draft of a new driver wheel
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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 (...) (21 years ago, 28-Oct-03, to lugnet.trains, FTX) !!
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