Re: gm diesel

Posted by 4wdtom on August 18, 2016 at 06:29:17 from (74.103.253.53):

In Reply to: gm diesel posted by gbs on August 17, 2016 at 18:20:31:

I ran GM diesels in the navy from 1968 to 71. In Guantanamo Bay I ran 6-71s in boats as the "engineer". Motor launches had one, landing craft had two or 4 of them depending on the size. All were WW 2 vintage boats/engines except for a couple of new aluminum landing craft that would haul a tank and the new torpedo retrevier. A motor launch was not made for an engine that big, at some point they had been repowered I think, and a 40'er would almost get up and plane, the 50 footers were not quite as fast. After GTMO I was transfered to a small tanker. We had a 6-71 as an emergency generator, and a 1-71 also as an emergency generator, I think for a limited area of the ship, maybe steering gear. The main engines were 278As, V-16 2 cycle engines with the blower on the front of the engine, rumbled along at around 50 to 600 rpm, the ships service generators were 268a, straight 8 and screamed at 1000rpm, all seemed like good engines to me. The 71 series were made to be assembled in many different ways, the cam shaft could be on either side, the head installed to match, rotation could be either way, they could be bolted up to transmissions in double or quad units. Also I have heard of 1, 2, 3, 4, 6, v8, v12, and v16 modles. A torpedo retrever we had at GTMO had two v12s in it. The 278a s and the 268a s were made in different nos of cylinders, but I don't know how many.

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