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September 24th, 2003 - Adventures in Engineering — LiveJournal
The wanderings of a modern ronin.

Ben Cantrick
  Date: 2003-09-24 10:54
  Subject:   My crankshaft is bigger than your crankshaft.
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The Wartsila-Sulzer RTA96-C turbocharged two-stroke diesel engine is the most powerful and most efficient prime-mover in the world today. The Aioi Works of Japan's Diesel United, Ltd built the first engines and is where some of these pictures were taken.

It is available in 6 through 14 cylinder versions, all are inline engines. These engines were designed primarily for very large container ships. Ship owners like a single engine/single propeller design and the new generation of larger container ships needed a bigger engine to propel them.

The cylinder bore is just under 38" and the stroke is just over 98". Each cylinder displaces 111,143 cubic inches (1820 liters) and produces 7780 horsepower. Total displacement comes out to 1,556,002 cubic inches (25,480 liters) for the fourteen cylinder version.

Maximum horsepower: 108,920 hp at 102 rpm
Maximum torque: 5,608,312 lb/ft at 102rpm


http://www.bath.ac.uk/~ccsshb/12cyl/

Five and a half million ft-lbs of torque. Uhn! Yeah! Who's your daddy!
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Ben Cantrick
  Date: 2003-09-24 20:52
  Subject:   [Geekery] b0w to the HP-48GX!
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  Mood:nerdy


http://privat.swol.de/ChristophGiesselink/emu48faq.htm

The above left image is the equations Y = sin(X) and Y = 0.2X2 graphed simultaniously, on the HP-48GX emulator running on my Windoze 98 box.

I still have my HP-48GX that I used throughout college - and loved the living snot out of. Wish I'd had it to use in high school, it would have graphed just about anything the math teacher could have thrown at me. Plus, you can get free downloads of Tetris and Lemmings for the thing! I never even scratched its symbolic manipulation/equation solver abilities, either.

I just gave this bad boy a permanant spot on the desktop of my Win98 box. I have a feeling I'm going to use this a hell of a lot more than WinDoze calc.exe. It's a great emulator, and since HP made the ROM for the 48GX free (beer), you don't have to own a 48GX or an overly expensive serial link cable to use this on your desktop. r0xx0r.
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