Raising Steam: (Discworld novel 40) (Discworld Novels)

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Before Standby is rung on the telegraphs we can take a look at what’s happening in the feedwater system. Referring to the drawing in Figure 19:

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The wizards of Unseen University go for a ride on Iron Girder, in part to declare her nonmagical. Rincewind is also mentioned, in a footnote.

Karin L Kross for Tor.com, [10] praised Raising Steam as "the latest transformation of a remarkable fictional world that has evolved and grown with its creator." He's also no fool when questioned by the press, and frequently sidesteps any "gotcha" questions they try to throw at him Marine diesel engines Safety valves are fitted in pairs, usually on a single valve chest. Each valve must be able to release all the steam the boiler can produce without the

Boiler Operation- Preparations for Raising Steam Safe Boiler Operation- Preparations for Raising Steam

The boiler room is starting to smell of smoke and sulphurous products of combustion – rather nice to steam engineers like us. It’s getting quite warm in here, so we’ll stay until the pressure gauge starts to move. First though we will climb up the ladders to the top of the boilers and open the stop valves in Boiler Room 1. This will allow a passage from the boilers to the main bulkhead stop valves on the watertight bulkhead aft of us, and allow us to bring up the lines to temperature by draining them in this space. From the drawing in Figure 3 you will see that the boilers in this room can feed through the bulkhead stops and thence to the emergency dynamos (magenta line), and can also feed the main generating sets via the green lines. This means that we can get both emergency and main generating sets going on just the boilers in this No 1 Boiler Room. For main propulsion we will need more, which will be started up later. In modern ships, the 2nd Engineer takes the 4-8, the 3rd Engineer the 12-4 and the Chief Engineer the 8-12, though his watch is delegated by him to the 4th Engineer as it is within normal daylight hours. In the above drawing, the small steam-reversing engine moves the link gear from ahead to astern and vice versa via a crank and worm. On small engines the links are moved by hand, but on large engines the link gear is heavy and is therefore moved via a small steam engine. Mugging the Monster: A very common Discworld trope is taken, perhaps, to its ultimate height, as bandits unwisely attempt to rob Lord Vetinari's coach. The vessel is fitted with four 400kW main dynamos driven by steam reciprocating prime movers. Reduced steam at a pressure of 185lb/in2 (12.75 bar) is fed to the engines and exhaust steam is directed - in port or at start up - to the auxiliary condenser. At sea the dynamo exhaust steam is directed to the surface feed heater to extract the remaining energy from the exhaust steam and deliver it to the feed heating system. This configuration gives a total installed power of 1.6MW dc, with three sets covering the full steaming load and one in stand-by. (See Figure 22) Emergency generating sets Marine batteries