 | | Re: Melting Point of ABS (Re: Strengthening Gears)
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(...) I measured the temp in my attic last summer and it reached 115 F. Needless to say I don't keep much up there and definitely not my Lego collection! ROSCO had a bad "melting" experience: (URL) think this was caused by prolonged exposure to (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Melting Point of ABS (Re: Strengthening Gears)
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(...) They're clearly not extruded... that's the kind Plastruct(R) uses. But if they're just plain molded and not impact grade I am hoping they are from the higher end of the range. The low end mold temp (and I agree with Thomas Avery's speculations (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Melting Point of ABS (Re: Strengthening Gears)
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The first one you cite is probably the right one for LEGO(R) Bricks. They're molded, not extruded and I don't believe they are impact grade. Thomas Avery <thomas.avery@intec-hou.com> wrote in message news:GsI76v.GED@lugnet.com... (...) have (...) (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Strengthening Gears
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(...) Yes, this is true. (...) Now that's quite a statement! I got an email yesterday from someone saying that the axles were the weak point too. I don't know how you're using your gears, but when something breaks in my models, it's the gears! (URL) (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Strengthening Gears
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Plastic doesn't get stronger under heat-treatment. This type of heat treatment is used to control the crystallization of metals, and long-chain polymers like plastic just don't behave like that. If you need stronger gears, double them. It is the (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Melting Point of ABS (Re: Strengthening Gears)
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(...) There are different grades of ABS, each having different mechanical properties. I found an extensive resource on materials at: (URL) ABS property data can be found here: (URL) picked 3 grades of ABS that seemed likely to be the type(s) that (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Strengthening Gears
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(...) Oh people people people!!! Stop what you're doing or thinking!!! (URL) a boo halfway down the page!!! I mean this was, to date, the most traumatic event of my life!!!! (well, not really but it makes a great story when I talk to my LEGO (...) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Technic MOTM needs a new name.
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(...) All publicity is good publicity :) How about "t.c.f.k.a.m.o.t.m" (The competiton formerly known as Model of he month) or "I can't believe it's not Motm!" Steve (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Technic MOTM needs a new name.
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(...) *nods* When I wrote I had agreed and was looking for a new name, not a debate. I included the reasons, that's it. Something I kind of regret today since this whole matter is going out of hand... Mina två ören (Swedish: My two ören) /Tobbe (URL) (23 years ago, 5-Mar-02, to lugnet.technic)
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| | Re: Pneumatics: the old and the new
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(...) But, of course. As was carefully explained in my earlier post at (URL) is, you can store compressed air in a blue air tank (or as many of them as you have in your possession) and then release it for use later on. Then you charge it up again. (...) (23 years ago, 5-Mar-02, to lugnet.technic, lugnet.robotics)
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