 | | Re: 4.5 Volt straight track (p/n 3228), different versions ?
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(...) But why would Lego create a new mold, to continue making a part that worked perfectly well as it was? The change prevents the piece from being backwards-compatible with 4.5v track, and doesn't seem to offer any advantages in structural (...) (24 years ago, 2-Jan-01, to lugnet.trains)
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| | Re: 4.5 Volt straight track (p/n 3228), different versions ?
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"Rick Clark" <jrclark@nospam.aol.com> wrote in message news:3A513A94.87EF98...aol.com... (...) [ ... snipped ... ] (...) worked (...) advantages in (...) Along this same line, the train windows currently being produced in the soccer bus sets and in (...) (24 years ago, 2-Jan-01, to lugnet.trains)
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| | Re: 4.5 Volt straight track (p/n 3228), different versions ?
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(...) <snippage> (...) (taking a shot into the dark) Might it have something to do with simplifying the mold process for that part. By elminating those 'thru the rail' slots, they now have/had a more simple molding operation. Same might be true of (...) (24 years ago, 2-Jan-01, to lugnet.trains)
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| | Re: 4.5 Volt straight track (p/n 3228), different versions ?
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(...) I know a little. In considering how to mold a part you have to consider every concave surface carefully. Many things with concave surfaces can nevertheless be made with non dynamic two part molds if you choose the mold separation line (...) (24 years ago, 2-Jan-01, to lugnet.trains, lugnet.cad.dat.parts)
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