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| Hi Blakbird, Little note about 4.5V motor: when you say "The motor is DC, so polarity is not important."... precisely since it is a DC motor, polarity IS important, rotation direction depends on it... Philo (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| (...) Good point, Philo. I did not choose very good wording here. What I meant was that, as a DC motor, there is no "hot" terminal and no "neutral" terminal. Therefore, you cannot hook it up wrong and damage it. I'll go back and see if I can clean (...) (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| (...) By the way, I noticed that your site only looks at the 9V motors. Have you ever dissected or tested one of these 4.5V motors? Eric (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| (...) Never... yet! Philo (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
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| (...) Just by the way, back in those days LEGO also made a 12V technic motor that was the same size as the 4.5 but came in black. I actually used to have one that I got in a sealed box (!), and when testing it with a train speed regulator (12V grey (...) (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
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| (...) [LEGOSet 880] (...) [LEGOSet 872] ROSCO (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
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| (...) Yes, I have both of these sets. After I finish all of the "regular" Technic sets, I plan to go back and add some of these unique supplemental sets. The gear reduction blocks are especially interesting, and are needed for some of the models in (...) (17 years ago, 23-Dec-07, to lugnet.technic, FTX)
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| (...) I just won one on Ebay. I thought it might work well in a truck transmission. (17 years ago, 23-Dec-07, to lugnet.technic, FTX)
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