Old school snow clearing in Alaska.
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Friday, November 29, 2013
9 comments:
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Why's the unit with the plow making black smoke?
ReplyDeleteThe rotary plow (a big-ass snowthrower) is itself powered by a steam engine.
ReplyDeleteYep, truly OLD School! And neat to watch, although I'd be watching from somewhere warm!!!
ReplyDeleteYou inspired me to put up a few videos of steam in South Africa:
ReplyDeletehttp://bayourenaissanceman.blogspot.com/2013/11/memories-of-steam-trains.html
Thanks for the memories!
Sure, it's steam powered, but why the difference in smoke composition from the pushing engines?
ReplyDeleteIt might have been working harder. Steam engines like that exhaust into a blastpipe in the stack that increases the draft in the firebox. More draft, hotter fire and with a really strong draft, you get unburned particles of fuel coming out of the stack, which show up as black smoke.
ReplyDeletefrom the notes...
ReplyDeleteThe steam powered snow thrower is oil for fuel and likely running over stoked (excess oil). Like the engines it does use the stack as a blastpipe blower for the waste steam and to enhance the draft. All three are working hard and you can hear a bit of wheel slippage.
In a different video its near clear exhaust while not working hard.
Cool video and interesting to see steam at work.
Eck!
Thanks for the smoke explanation. I suspected "working harder" was the cause, but I didn't know why.
ReplyDeleteThis reminded me of similar video I saw once upon a time (in my dreams?) except the snow was as tall as the engine and it was being thrown a hundred feet non-stop. I spent a couple hours looking for such a video but I could not find one.
ReplyDelete