 | | Re: Eliminate high-speed derailments forever! (and possibly void your warranty)
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(...) that's (...) transformer (...) transformer (...) by transformer do you mean the lego speed controller? If it's a yes there is no problem feeding it with 7.5V DC. The input will accept 9V to 12V AC or DC for full performance (0V to 9V at the (...) (25 years ago, 23-Aug-99, to lugnet.trains)
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| | Re: Eliminate high-speed derailments forever! (and possibly void your warranty)
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FWIW: I have two LEGO train transformers that are labeled for an output of 12 VAC and two that are labeled for an output of 11 VAC. Both rate the power output at 7 VA. One of my speed controllers is labeled for an input of 9-11 VAC, and three for an (...) (25 years ago, 23-Aug-99, to lugnet.trains)
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| | Re: 13V ~ port on 12V transformer
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This means, that now when we have 230V in Europe (European Union standard as it is between 220 and 240V and whitin the limits), that it will be app 5% more ~almost 14V. I have never checkid it, but the 741 (740, 742) is only a transformer basically (...) (25 years ago, 23-Aug-99, to lugnet.trains)
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| | Re: 13V ~ port on 12V transformer
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(...) who (...) tranformer (...) Your dad is correct. I'm not exactly sure why that port is provided except for testing or troubleshooting the transformer. 13V is also true of transformers here in the States. I've heard that 13V is used because (...) (25 years ago, 23-Aug-99, to lugnet.trains)
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| | Re: Eliminate high-speed derailments forever! (and possibly void your warranty)
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In lugnet.trains, John R. Clark writes: <snipped interesting idea> (...) transformer (...) The transformer in the wall socket adapter probably won't be bothered too terribly, as it's only a 17% reduction in voltage. The motors don't try and suck (...) (25 years ago, 23-Aug-99, to lugnet.trains)
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