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Combined Turbo Supercharger? 2-Stroke EMD Ship Engine 

Fix&Forget
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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.

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19 май 2024

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Комментарии : 40   
@Jon_Flys_RC
@Jon_Flys_RC 2 месяца назад
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
@FixAndForget 2 месяца назад
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
@Jon_Flys_RC 2 месяца назад
@@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
@FixAndForget 2 месяца назад
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
@stevenormandin2059 2 месяца назад
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
@FixAndForget 2 месяца назад
Thanks for the correction!
@lowandslow3939
@lowandslow3939 2 месяца назад
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
@FixAndForget 2 месяца назад
As do I, thanks for watching sir!
@amessman
@amessman 2 месяца назад
Probably my favorite fact about these EMD engines. I am glad somebody made a video. Thanks for uploading!
@FixAndForget
@FixAndForget 2 месяца назад
Thanks for the kind words, it means a lot! The turbo setup gives them the sound we all associate with them now.
@timhund5914
@timhund5914 2 месяца назад
The turbo clutch is driven by the idler gear, turbo clutch drives the left cam gear which drives the right cam gear.
@FixAndForget
@FixAndForget 2 месяца назад
Thanks for watching & the correction!
@kleetus92
@kleetus92 2 месяца назад
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
@FixAndForget 2 месяца назад
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!
@user-kw7zb8qw1u
@user-kw7zb8qw1u 2 месяца назад
Nice I love mtu Detroit diesel
@FixAndForget
@FixAndForget 2 месяца назад
I'm glad to hear MTU still makes limited numbers of replacement 71 series engines for government buyers. I hope to see the 71 series in production at its 100th birthday. Thanks for watching!
@user-kw7zb8qw1u
@user-kw7zb8qw1u 2 месяца назад
@@FixAndForget well my folks friend worked in Detroit diesel in 1963 64 the good thing about Detroit diesel all of them except 53 u can turn cam or switch from one side to other make it two stroke n 180 degrees on oil pump ⚙️ gear I got a long block 14 liter with cooper split cage ceramic roller bearings as main bearings I bet noone getting my rpms except a 10 liter
@user-kw7zb8qw1u
@user-kw7zb8qw1u 2 месяца назад
@@FixAndForget now that's a limit must have dte or custom chip to open it up hehehe
@user-kw7zb8qw1u
@user-kw7zb8qw1u 2 месяца назад
@@FixAndForget when a 🤠 cowboy trades spurs for wings lol
@user-kw7zb8qw1u
@user-kw7zb8qw1u 2 месяца назад
@@FixAndForget in Utah Bonneville salts flats mtu got a 16 v doing 228 mph on freightliner n Detroit diesel got 24 v behemoth won the war besides remembering German which is the first to make a jet engine
@alcobufff
@alcobufff 21 час назад
Hi I'm planning to do a redo of my RU-vid video of the GP20, I need footage of a turbo EMD prime mover, would it be ok if I used part of this footage?
@FixAndForget
@FixAndForget 17 часов назад
@@alcobufff Yes that's fine please just include a link to my channel or something of that nature for credit. Thanks & good luck with your video.
@geoallen437
@geoallen437 2 месяца назад
Is it mechanical or electronic controlled clutch?
@FixAndForget
@FixAndForget 2 месяца назад
Overriding sprag
@ericwarren7719
@ericwarren7719 2 месяца назад
Locomotive prime mover and generator set also
@FixAndForget
@FixAndForget 2 месяца назад
That's right, they are also very popular in the marine and stationary applications. Thanks for watching!
@john5321
@john5321 2 месяца назад
@@FixAndForget Used on all Nimitiz Class Nuclear Powered aircraft carriers as emergency power, and a whole lot of nuclear power plants.
@FixAndForget
@FixAndForget 2 месяца назад
@@john5321 Yeah I've seen a few pictures of them on the carriers. Probably won't see a cleaner, lower hour EMD than those. I have a video I took of (5) 20-710 EMDs providing power for the island of Saipan I'll post one day.
@scottcarns5156
@scottcarns5156 2 месяца назад
Coolbeens
@FixAndForget
@FixAndForget 2 месяца назад
Thanks for watching!
@anything.with.motors
@anything.with.motors 2 месяца назад
Its weird hearing two stroke And then cam gear
@FixAndForget
@FixAndForget 2 месяца назад
Yeah all the big 2stroke diesels have massive exhaust valve gear. These are 4 valves per head. Slow speed engines are one massive valve per head. Thanks for watching!
@kleetus92
@kleetus92 2 месяца назад
@@FixAndForget ... and also drives the injectors.
@FixAndForget
@FixAndForget 2 месяца назад
Yep center lobe on the cam. The slow speed engines use individual "jerk" pumps to drive the injectors. Thanks for watching!
@veronicamartin295
@veronicamartin295 2 месяца назад
GM
@FixAndForget
@FixAndForget 2 месяца назад
Yes, thanks for watching! On a side note, EMD is now owned by Progress Rail, a subsidiary of Caterpillar.
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