Posted by Goose on February 19, 2018 at 17:25:40 from (174.217.3.10):
In Reply to: This is a good book. posted by Ultradog MN on February 19, 2018 at 14:15:46:
I recently finished the book "U Boat 977", the German submarine that escaped to Argentina at the end of WWII. They put out from Norway and went around the west side of England to keep out of the English Channel. Along the way, they stayed submerged for 66 consecutive days, surfacing only after they were south of Gibralter and felt they were in the clear. The sub was fitted with a "Schnorkel", a device by the periscope that allowed the diesel exhaust to exit while submerges and to allow fresh air to be drawn in. It was nip and tuck on fuel, but they made it.
The book was written by the Captain, Heinz Schaeffer.
A few years later, the U.S. claimed to have set a record for having a submarine stay submerged for 21 days.
I've mentioned before on this forum the book "Iron Coffins" by Oberlieutnant Herbert Werner. Werner had the same idea, but his boat was damaged and the war ended before it was fixed.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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