Chute length - Snowblower Forum : Snow Blower Forums
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post #1 of 19 Old 02-11-2016, 09:26 AM Thread Starter
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Chute length

I probably missed it in the forums, but what is the story on chute length?
My 50 yr old machine has a fairly short chute. Is it worthwhile to add a foot or so to it. The machine works great, I would like to throw the snow a little further,especially on the short side.
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'66 Sears/Murray 26"
'71 Jakobson 17 SnowBlitz
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post #2 of 19 Old 02-11-2016, 09:29 AM
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IMO the longer chute length helps control the stream out of the blower. The longer, the better control you have on where the snow is directed. The irony is it may 'slow' the stream down a little but allows you to direct it a little better.

That's my thoughts.
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post #3 of 19 Old 02-11-2016, 10:32 AM
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Longer chute should throws the snow further since the air from the fan has more time to push the snow.
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post #4 of 19 Old 02-11-2016, 02:19 PM
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Tall Chute Helps. Impeller Seal Helps. I'd do an impeller seal, and then upgrade the chute if you want more. You also need a Good Tight Auger Bearing to do this Right.
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post #5 of 19 Old 02-11-2016, 03:08 PM Thread Starter
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My sears/murray has about 1/8" clearance between the impeller, and the housing. It would always pump slush, no problem there. Are you talking about the impeller shaft seal, or the standard impeller seal? Auger bearing is an iron flanged greasable ball bearing.

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post #6 of 19 Old 02-11-2016, 07:31 PM
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My 79 ariens has short chute and not long ago I read on this forum where someone had upgraded with newer model longer chute and his machine worked better. ( simple upgrade - just a bolt on.)
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post #7 of 19 Old 02-11-2016, 08:44 PM
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Longer chute should increase the throwing distance by 10-40%

One of our members (db130) did the 3 most common upgrades:
* speed up impeller
* impeller kit (rubber wipers)
* taller chute
He claimed that the upgrade that made the most difference was the tall chute.
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post #8 of 19 Old 02-11-2016, 09:18 PM
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If I was going to tinker with a chute I'd make sure the cross section is smaller to maintain snow stream pressure.
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post #9 of 19 Old 02-12-2016, 08:06 AM
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when I got my first toro 521 it had a short chute on it, I swapped it for the longer chute from a later model 521 because the short chute wasn't throwing snow as far as my toro 2450. now with the tall chute it throws snow a little farther that the 2450, about 4 inches farther and there was no impeller kit on at the time

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1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
2-toro 521E-38052. 1-toro xl824pt 38086
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post #10 of 19 Old 02-12-2016, 08:30 AM
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Quote:
Originally Posted by Spectrum View Post
If I was going to tinker with a chute I'd make sure the cross section is smaller to maintain snow stream pressure.
What's the concept behind this? I'm just trying to get my head around why a smaller cross section will help. I wouldn't want it starting large then getting small, personally. That feels like it would create a bottleneck.

I've had an Ariens with a medium chute, and now one with the tall chute. I guess I never got to do a good distance comparison. Longer seemed to me like it might help because the curve is more gradual, a larger radius. So you don't force the snow against the chute as hard, which hopefully reduces the drag against the chute.

I have seen people attach slippery plastic to the inside of the chute, like the material from a kid's roll-up snow sled. Now you give your metal chute a slippery liner which won't get worn off like cooking spray. This seems interesting, but I haven't tried it.
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