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After recently purchasing some 4.5v straight track, it brought back some childhood memories... People have often talked about cannons that fire vs. those that don't. Now how many of you Lego fans discovered the joy and carnage of railguns? I built (...) (25 years ago, 11-Dec-99, to lugnet.general)
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| | Re: Lego Railguns
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Sorry, but you just built a gun with rails, not a railgun ;-) I remember seeing a REAL railgun at a science competition in DC once - the boy built it right - electromagnets would accelerate a bolt fast enough (in about a foot) to dent a piece of (...) (25 years ago, 12-Dec-99, to lugnet.general)
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| | Re: Lego Railguns
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(...) No, what he built *is* a railgun. A railgun is just two rails connected to opposite poles of a (usually powerful) current source, with a conductive 'bullet' between them. Hence the name 'railgun'. (This is something that our Physics II prof (...) (25 years ago, 12-Dec-99, to lugnet.general)
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| | Re: Lego Railguns
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But he mentioned nothing about POWERING his - a rubber band does not a railgun make. (...) -- Tom Stangl ***(URL) Visual FAQ home ***(URL) Bay Area DSMs (25 years ago, 12-Dec-99, to lugnet.off-topic.fun)
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| | Re: Lego Railguns
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(...) He couldn't have used electricity with this configuration as 4.5 v track isn't electrified. He says that the motive power for the ammo was "an elastic built into the muzzle." It IS just a gun that shoots rails. Will (25 years ago, 12-Dec-99, to lugnet.off-topic.fun)
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| | Re: Lego Railguns
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(...) But a gun that shoots rails _is_ a railgun - but it's defintion 2a, instead of 1. ;) Jasper (25 years ago, 12-Dec-99, to lugnet.off-topic.fun)
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| | Re: Lego Railguns
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(...) Oops... sorry. I must have missed that part. (And I'm showing my complete lack of knowledge of lego train sets, too... Curiousity: are there are lego train sets which _do_ have current-carrying track? I've personally never seen _any_ lego (...) (25 years ago, 13-Dec-99, to lugnet.off-topic.fun)
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