That " howl " is actually the sound of the Radiator fans on top of the long hood and the traction motors you can just barely hear the turbo in this clip.
@eltonjohnfan100 That's totally up to you I was just pointing out what the howl noise was. And for the record I've never ever heard a Turbo make that noise they don't howl they scream.
No it isn't. Want proof? There's a clip of a GE making this exact sound right before the turbo explodes. The noise stops instantly. Look for it on Virtual Railfan's channel
As a certified EMD locomotive composite mechanic I can say that is NOT the turbo. That is in fact cooling fans running at full speed. That unit has two speed fans that can get extremely loud. I have self loaded and load boxed dozens of locomotives in my career and the all get very loud. The fans on the load box and those for engine cooling combine to make a very loud howling. It sounds the same whether they are turbo super charged or roots blown. This locomotive had the telltale turbo whistle that was barely audible over the sound of the fans. The final nail in this coffin is the fact that if a turbo bearing gets bad enough to make noise it is a low growl coupled with an extraordinary amount of smoke and oil that coats the entire locomotive. I have spent many hours washing that sludge off of turbo supercharger locomotives. If anyone cares to argue my terminology on the turbo, please by all means, look it up.
Made up job titles aside, this noise is absolutely not coming from cooling fans. The fans on SD70s are made to be particularly quiet, even at high speed. This is done to reduce noise pollution. The sound you hear is droning from a bad turbocharger, and any claim to the contrary is downright false. The pitch matches exactly with the designed turbo speed of 18500 RPM or so- or 300 hertz. You can hear this sound on some 645 engines, albeit with a slightly different sound. It is extremely loud, and much more so than the radiator fans. There's a video of some NE&CP power howling in this exact same way.
@@pootispiker2866 Come on over and have play with my toys. 645E3 V16 Every day! What a pompous tool you are! Look up the title before you speak! It means I do EVERYTHING maintenance wise on a locomotive. Few people have touched the number and variety of EMD that I have, let alone worked on them.
@@pootispiker2866 Your comment is precisely why the railfans get kicked off railroad property. I once had a couple of railfans argue with me that two of the locomotives in my care were GP35s. They were in fact Ex GM&O GP26s. They swore up and down that I didn’t know what I was talking about. So please save us on the railroad our sanity. Stop being a bunch of know it all armchair railroaders. I have twenty four years In and get a little tired of the crass ignorance.
@@ryandavis7593 Ahaha if that's your response to a mere counterargument then it's no wonder why conductors get an emergency brake valve. You cannot possibly be wrong, can you? :) I don't go on railroad property that isn't my local museum because I respect the fact that the big half-million-pound machines can very easily kill me without much trouble. So try on kick me off of someone else's land. Sure, I'll just move- it's part of the hobby anyway. I don't give two sh!ts what happened to you on a bad day at work. I genuinely don't. It's not relevant, either. If that's fan noise from the EMD then how did a GE make a nearly identical noise right before popping the turbo with a cloud of smoke from the exhaust? I don't know much about them but I'm fairly sure they don't share many cooling components with EMDs. There's a video on virtual railfan's channel. 'Elk on the big 10' or some such. Throw the word turbo in with the search terms and you should find it. That did happen. The video doesn't lie mate. An old geezer that insists that what they say is biblical fact? Well, that just might.
That is a really loud fan.. There is a Metrolink loco in SO cal that sounds like that.. 1 out of 30+ locos and only this 1 has that loud noise. I am not an Loco Engineer, but it sounds like the Dynamic Brakes are on and that blower motor to cool them is on over drive.
@@dennisyoung4631no, just a symptom of carbon buildup on the turbo blades causing it to be unbalanced. That engine still makes that noise to this day, and the turbo itself is fine minus the noise bylaws it's probably breaking.
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I thought someone's truck horn was stuck on. So that's what that was!
One of the best sounds, the EMD turbo “howl”
That " howl " is actually the sound of the Radiator fans on top of the long hood and the traction motors you can just barely hear the turbo in this clip.
Ok so do I need to change the goddamn title again?
@eltonjohnfan100 That's totally up to you I was just pointing out what the howl noise was. And for the record I've never ever heard a Turbo make that noise they don't howl they scream.
Hate to tell ya - that is a turbo howling, not a fan noise!
@@eltonjohnfan100 lolololololololololololol
No it isn't. Want proof? There's a clip of a GE making this exact sound right before the turbo explodes. The noise stops instantly. Look for it on Virtual Railfan's channel
Sounds great brings me back to the CR days
As a certified EMD locomotive composite mechanic I can say that is NOT the turbo. That is in fact cooling fans running at full speed. That unit has two speed fans that can get extremely loud.
I have self loaded and load boxed dozens of locomotives in my career and the all get very loud. The fans on the load box and those for engine cooling combine to make a very loud howling. It sounds the same whether they are turbo super charged or roots blown.
This locomotive had the telltale turbo whistle that was barely audible over the sound of the fans.
The final nail in this coffin is the fact that if a turbo bearing gets bad enough to make noise it is a low growl coupled with an extraordinary amount of smoke and oil that coats the entire locomotive.
I have spent many hours washing that sludge off of turbo supercharger locomotives.
If anyone cares to argue my terminology on the turbo, please by all means, look it up.
Made up job titles aside, this noise is absolutely not coming from cooling fans. The fans on SD70s are made to be particularly quiet, even at high speed. This is done to reduce noise pollution.
The sound you hear is droning from a bad turbocharger, and any claim to the contrary is downright false. The pitch matches exactly with the designed turbo speed of 18500 RPM or so- or 300 hertz. You can hear this sound on some 645 engines, albeit with a slightly different sound. It is extremely loud, and much more so than the radiator fans. There's a video of some NE&CP power howling in this exact same way.
@@pootispiker2866
Come on over and have play with my toys.
645E3 V16
Every day!
What a pompous tool you are!
Look up the title before you speak!
It means I do EVERYTHING maintenance wise on a locomotive.
Few people have touched the number and variety of EMD that I have, let alone worked on them.
@@pootispiker2866
Your comment is precisely why the railfans get kicked off railroad property.
I once had a couple of railfans argue with me that two of the locomotives in my care were GP35s. They were in fact Ex GM&O GP26s. They swore up and down that I didn’t know what I was talking about.
So please save us on the railroad our sanity. Stop being a bunch of know it all armchair railroaders.
I have twenty four years In and get a little tired of the crass ignorance.
@@pootispiker2866
Where exactly did you get 18500 RPM?
@@ryandavis7593 Ahaha if that's your response to a mere counterargument then it's no wonder why conductors get an emergency brake valve. You cannot possibly be wrong, can you? :)
I don't go on railroad property that isn't my local museum because I respect the fact that the big half-million-pound machines can very easily kill me without much trouble. So try on kick me off of someone else's land. Sure, I'll just move- it's part of the hobby anyway.
I don't give two sh!ts what happened to you on a bad day at work. I genuinely don't.
It's not relevant, either.
If that's fan noise from the EMD then how did a GE make a nearly identical noise right before popping the turbo with a cloud of smoke from the exhaust? I don't know much about them but I'm fairly sure they don't share many cooling components with EMDs.
There's a video on virtual railfan's channel. 'Elk on the big 10' or some such. Throw the word turbo in with the search terms and you should find it.
That did happen. The video doesn't lie mate. An old geezer that insists that what they say is biblical fact? Well, that just might.
I love the sound of those cooling fans kicking in!
They're not fans.
Love the sound! You hear the cooling fans more than the engine.
Out of all the EMDs I’ve encountered I’ve never heard anything like that.
Amazing, just wish you recorded the ending longer.
Sounds like one of the Avro Vulcan jets. Amazing!
That is a really loud fan.. There is a Metrolink loco in SO cal that sounds like that.. 1 out of 30+ locos and only this 1 has that loud noise. I am not an Loco Engineer, but it sounds like the Dynamic Brakes are on and that blower motor to cool them is on over drive.
Incredible video if you have the long version it would be legendary. Nice work.
Sounds like a stuck Hooter steam whistle!
Yep, turbo bearings have had it and are screaming for sure!
Yep, reminds me of that UP ACe you caught
Not enough P.M.?
@@dennisyoung4631no, just a symptom of carbon buildup on the turbo blades causing it to be unbalanced. That engine still makes that noise to this day, and the turbo itself is fine minus the noise bylaws it's probably breaking.
Thats the coolings fans not the turbo
ha ha!! Not quite...
Patient drivers there...NOT..ha ha.
Dang, that’s loud and struggling it seems like
Loud 😮
Lol. Sounds like some of our CN engines. You’ll get the odd turbo howl
EMDs sound better at run 8
not the turbo
That was annoying