Combined Turbo Supercharger? 2-Stroke EMD Ship Engine

Рет қаралды 906

25 күн бұрын

A quick look inside a 645 F7-B Electromotive Diesel Turbo-Supercharger (Blower). The clutch is a simple overriding sprag. The 12 cylinder EMDs shown have over 100k hours and the 16 cylinders have about 80k hours. These engines are undergoing scheduled 35k hour overhauls. This ship was built in the early 90s and still sees active service today.

Пікірлер: 38

@Jon_Flys_RC 21 күн бұрын

There is NOTHING like the sound of a turbo EMD going in and out of gear and the change in pitch of the exhaust note. Doesn’t matter how many times you hear it, it never gets old.

@FixAndForget 21 күн бұрын

Totally agree. I worked with a few Cleveland and 567 EMDs so I am also privy to the "old" noise before the turbos but still love it. Thanks for watching!

@Jon_Flys_RC 21 күн бұрын

@@FixAndForget I’ve worked around natural 12’s turbo 12’s natural 16’s and turbo 16’s all as propulsion engines. While the mufflers and piping effect the exhaust note of the particular installation the increased degrees of rotation per firing makes the natural 12’s sound the most rowdy but nothing is as smooth as a well balanced 16.

@FixAndForget 21 күн бұрын

Almost all of the 2-strokes I've been around have been 900rpm generators without mufflers but a hundred feet of exhaust away from the stack. Just a low pitched drone by the time it made it out. The gear drive noise on the roots blown ones was the main noise heard, now just turbine wine. Both great!

@stevenormandin2059 23 күн бұрын

correction i use to disassemble those turbocharger working at GE Engine System in upstate NY state, the gear in the middle is a DAMPENER GEAR to absorb the angular transient inertia, between the cam gears and the turbocharger input gear, the overrunning clutch is INSIDE the turbocharger unit if you spin the compressor wheel you'll see that the turbocharger INPUT gear that mess with the DAMPENER will spin in one direction BUT NOT in the other direction, by the way those turbo can spin up to above 17000 RPM .Yep it isn't pretty when one of those blows up on the test cell !

@FixAndForget 23 күн бұрын

Thanks for the correction!

@lowandslow3939 6 күн бұрын

I worked as a second engineer for Moran Towing on sea going tugs out of New York in the late 80’s. A truly sweet sound. I still recognize the sound when a locomotive passes with EMD’s. 😊

@FixAndForget 6 күн бұрын

As do I, thanks for watching sir!

@amessman 22 күн бұрын

Probably my favorite fact about these EMD engines. I am glad somebody made a video. Thanks for uploading!

@FixAndForget 22 күн бұрын

Thanks for the kind words, it means a lot! The turbo setup gives them the sound we all associate with them now.

@timhund5914 8 күн бұрын

The turbo clutch is driven by the idler gear, turbo clutch drives the left cam gear which drives the right cam gear.

@FixAndForget 8 күн бұрын

Thanks for watching & the correction!

@kleetus92 14 күн бұрын

These engines are absolute works of art that can take a beating and keep on swinging, and even if they do break, they are so modular they are much easier to repair! Just a shame they're being run out by junk science.

@FixAndForget 14 күн бұрын

Absolutely agree. There isn't anything about these engines that can go wrong and not be repaired. A rod coming loose and knocking a hole in the crankcase would spell certain death for most others but can be repaired in a day with these. Thanks for watching!