Re: D&S Diesel #107 Smoke and mirrors
| December 05, 2020 04:52AM |
|
SR_Krause Wrote:
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> Hey - the sound is OK! I loved this clip.
>
> Don't get me wrong, I love coal fired steam. But
> equally I love someone skinning back the throttle
> on a diesel and getting her singing!
> Interestingly, the turbo is VERY audible and
> having a hard time getting ahead of the load.
> White smoke of a cold engine, and that turbo just
> - can't - get - enough - air to develop torque to
> feed the acceleration on the load on the drawbar.
DwDickey Wrote:
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> Hard to
> tell for sure what color the smoke was with the
> sun shinning right into it. It looked white, which
> is unburned fuel.
That's light grey smoke, clearly visible in this video without the backlighting to confuse. Unburnt fuel is black. Certainly not a cold start type exhaust either and that loco's engine should have been up to operating temperature before even crossing the first street.
In viewing some of the WP&Y videos you'll see that they took efforts to maintain a clean exhaust when spooling up, unlike any Indian Railways ALCo powered stinkers. I guess that the Skagway Cruiseship clientele wouldn't be too impressed by roiling clouds of filthy black exhaust obliterating their scenic view.
One other thing, these MLW's are rated for 60mph, I wanna see that happen.
But then again, photogs love it if you deliberately smoke'em.
[flic.kr]
.
-------------------------------------------------------
> Hey - the sound is OK! I loved this clip.
>
> Don't get me wrong, I love coal fired steam. But
> equally I love someone skinning back the throttle
> on a diesel and getting her singing!
> Interestingly, the turbo is VERY audible and
> having a hard time getting ahead of the load.
> White smoke of a cold engine, and that turbo just
> - can't - get - enough - air to develop torque to
> feed the acceleration on the load on the drawbar.
DwDickey Wrote:
-------------------------------------------------------
> Hard to
> tell for sure what color the smoke was with the
> sun shinning right into it. It looked white, which
> is unburned fuel.
That's light grey smoke, clearly visible in this video without the backlighting to confuse. Unburnt fuel is black. Certainly not a cold start type exhaust either and that loco's engine should have been up to operating temperature before even crossing the first street.
In viewing some of the WP&Y videos you'll see that they took efforts to maintain a clean exhaust when spooling up, unlike any Indian Railways ALCo powered stinkers. I guess that the Skagway Cruiseship clientele wouldn't be too impressed by roiling clouds of filthy black exhaust obliterating their scenic view.
One other thing, these MLW's are rated for 60mph, I wanna see that happen.
But then again, photogs love it if you deliberately smoke'em.
[flic.kr]
.
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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter
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