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I had a golden opportunity to visit Hubli (UBL) Loco Shed. It was a new facility to maintain EMD designed locos for IR that were deployed to haul heavy coal trains over Braganza Ghat. Needless to say, this facility has proven to be successful in maintaining these sophisticated locos performing heavy duty chorus, day in and day out. Shri Marker and Shri Lawrence. These two Loco Inspectors spent two days with me to help me understand operations in Braganza Ghat. One of the first few locomotives in military camouflage. Engine block. I like them with oil stains rather than in spotless, showroom condition. Stains mean this engine block has earned it's living.
In 1980, EMD introduced the Q-fan across the domestic model line in order to comply with the reduction in loco wayside noise required by EPA regulations and enforced by an FRA regulation. The prior fans had the motor supported on radial struts from the fan frame that were on the inlet side of the fan. This caused a siren effect. This is dynamic brake grid fan. It is resting on it's motor. This fan also can be seen in top right background of Q-fan used over radiators. Space under radiators reminds me of Tunnel motors (Locos) designed for Southern Pacific. Hot exhaust gases in tunnels caused cooling problems so air intake in Tunnel Motors was designed in this fashion. Check http://tinyurl.com/5pshmq for more details on Tunnel Motors. Alternator and gears used for driving turbo. At low RPM, turbo is driven by gears and later exhaust flow takes over that job. |