tolerances Archives - The Silicon Underground

Lionel 675 history

Dave Farquhar — Thu, 28 Jan 2016 12:00:00 +0000

The Lionel 675, 2025 and 2035 locomotives are three of the most iconic and sought-after engines Lionel produced in the postwar era. They depicted the Pennsylvania K-5, an ill-fated 4-6-2 Pacific locomotive that was intended to replace the iconic K-4,

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Are 80plus power supplies worth it?

Dave Farquhar — Fri, 04 Jan 2013 11:11:20 +0000

Are 80plus power supplies worth it? Extremetech just that question recently. Based on their conclusion, not usually, at least not solely for power savings. But it’s an easy way to get a box built to stricter tolerances with higher-quality electronics. I

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XTrkCad model railroad track software is going open source

Dave Farquhar — Fri, 31 Dec 2004 15:22:03 +0000

XTrkCad, one of the many model railroad track planning programs--and the only one I know that has both Windows and Linux versions--is going open source. This also means the program is now free.

You can't download the source code yet but you can download binaries, enter a registration code, and play with it. I've been doing just that.

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The low-end server

Dave Farquhar — Thu, 16 Jan 2003 13:04:57 +0000

Here's a good question: What should a small operation do when it gets fed up with its network and is tempted to just chuck it all and start over?

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