 | | Re: Hey Brad! Why not rerelease an *unpowered* monorail set?
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"crunch-o-matic" <naughty.monkey@verizon.net> wrote in message news:Gq5016.G01@lugnet.com... (...) studs. (...) a (...) .... only thing is the studs on the sides of the monorail track are the hollow type which accept things the size of minifig (...) (23 years ago, 18-Jan-02, to lugnet.dear-lego)
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| | Re: Monorail track molds? Factory visits?
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You might be right if the molds are rigid. It could be done in 2 parts if the mold is flexible like vulcanized rubber or silicon (or low-tech like Knox gelatin and anitfreeze, or even hot glue). They were injected from the center top, you can see (...) (23 years ago, 18-Jan-02, to lugnet.dear-lego)
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| | Re: Monorail track molds? Factory visits?
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(...) TLC's molds are machined metal (there are pictures in some of the books and examples at Legoland. The track is also "honeycombed" on the bottom. Frank (23 years ago, 19-Jan-02, to lugnet.general)
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| | Re: Monorail track molds? Factory visits?
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Proof positive that I don't know everything. Frank, in your opinion would you say the "honeycomb" is an inherent part of the molding processing or a way to save on material? Retaining the strength of the unit while using far less ABS? What about (...) (23 years ago, 19-Jan-02, to lugnet.general)
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| | Re: Monorail track molds? Factory visits?
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(...) Material and weight savings while retaining strength. (...) I believe baseplates are vacuum formed. Vacuum forming is usually a one piece mold and the item must be able to "fall" out. There is another molding process which I guess is vaccuum (...) (23 years ago, 19-Jan-02, to lugnet.general)
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