February 1974...... Mile 132 Alcan / Alaska Highway...(132 miles Northwest of Dawson Creek British Columbia Canada)
I was the Power Engineer on shift at a Natural Gas Compressor Station. I had two General Electric J-79 (LM1500) Gas Turbines online. I received an alarm that called me out to the Compressor station. Gas Control on the US/Canada border were concerned that both of my Turbines has dropped 1,500 RPM ???? and they were loosing Gas Pressure at the Internation Border, as well the upstream Gas Processing plant at Ft. Nelson was now backed up!!!!!! The CID sensor (Compressor Inlet Temperature) on the inlets of both Gas turbines were reading -55 F The EGT (Exhaust Gas Temperatures) of the Gas Turbines were at 1100 Def F!! Horsepower was now maxed out, as the inlet air was so dense both Gas Turbines had to reduce RPM so as not to destroy the aft section of the Gas Turbine (Combustor section as well as Rear Frames). The closest Compressor station was 40 miles north of me and the young engineer on shift was struggling as the lube oils in his OIL Tanks were too cold to allow for a start. The closest Compressor Sation South of me was 250 miles South of me or 45 miles as the crow flies. Fortunately, both engineers were young and were willing to listen. On a land line, I instructed how and where to install a Jumper / Shunt, and had them increase the STARTING GAS to the Turbines by 15%. They were instructed, IF the Gas Turbines fire/ ignite and sustained the minimum speed of 5000 rpm, leave the controls in manual for 45 minutes, then and only then set the Gat turbines to 7000 RPM check for oil leaks. If no leaks place both units into Auto! The aft section behind the Combustors glowed cherry Red / bluish for the entire month of January. Bloody COLD..... Pictures are of the Gas Compressor station I was stationed at 1974 (summer) After I retired I was as contracted back to assist a new up and coming Gas Turbine Technician....:) Bob..
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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