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DavidNJ


Joined: Sep 26, 2010
Points: 206

The Role Of Impellers on Snowblower Performance
Original Message   Sep 29, 2010 10:05 pm
I was reading about the Clarence impeller improvement online today. It attaches a rubber gasket to each impeller blade ceiling it against impeller housing. Most who tried it seemed to report outstanding results especially with heavy wet snow. The only place where some reported it may not be effective were on units, such as the Honda, that reportedly have very tight clearances tween the impeller blades and the housing from the factory.

Ariens snowblowers are well-known for their high-capacity high capacity. Well most large snowblowers at 12 inch diameter impellers, the Ariens have 14 inch. That is over 16% faster speed at the end of the impeller blade. Does that give them a decisive edge?

So the question is: how important is the design of the impeller to the overall system performance? Are tight clearances between the impeller and it's housing critical? If so, which brands have the tightest ones? Is the diameter of the impeller critical? If so, did he Ariens and others with large impellers have a distinct advantage? The Clarence kit is inexpensive if you can install it yourself. Should everybody be installing these kits? TheToro has a unique impeller housing. Partially plastic, it has a return for excess snow to be returned to scoop. The effective Toro and edge or is it a disadvantage?

Toro: http://www.youtube.com/watch?v=ZTAAaT_sFss

This message was modified Oct 14, 2010 by a moderator
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giocam


Joined: Sep 18, 2010
Points: 74

Re: The Role Of Impellers on Snowblower Performance
Reply #8   Sep 30, 2010 2:27 pm
aa335 wrote:
Well, Honda doesn't tout their snowblowers are professional grade. 

They call it commercial grade, ariens calls it professional grade, simplicity and toro probably put some other names on it, but thats besides the point. All I meant was that when comparing pricing, you have to compare the honda to other companies absolute top end models. Honda is still more, but the gap is far less and the honda is still the better machine. Sure the others might have some bells and whistles the honda doesn't have. But people don't buy them for bells and whistles, they buy them because they want the premium workhorse in snow removal.
This message was modified Sep 30, 2010 by giocam
FrankMA


Location: Merrimack Valley/Northeastern Mass
Joined: Jul 1, 2010
Points: 587

Re: The Role Of Impellers on Snowblower Performance
Reply #9   Sep 30, 2010 4:08 pm
Have you ever noticed that almost every snowblower "comparison" type posting uses Honda as the benchmark that all others are measured against? I guess that kind of tells the story right there... And oh yeah, you definitely have to try one in a real good storm to appreciate the engineering and build quality of a Honda snowblower. I'm not saying the others are not any good as I appreciate all OPE, it's just that Honda quality has always been top notch without any gimmicks or slogans, etc...

Toro Wheel Horse 522xi GT, Honda HS928TA, Honda HS621AS, Honda HS520A, Toro CCR3000 (work in progress), Honda HS624WA (sold 08/23/2010), Stihl BR550 Backpack Blower, Stihl MS250, McCulloch MS1635, Honda EM6500SX Generator
DavidNJ


Joined: Sep 26, 2010
Points: 206

Re: The Role Of Impellers on Snowblower Performance
Reply #10   Sep 30, 2010 5:17 pm
FrankMA wrote:
Have you ever noticed that almost every snowblower "comparison" type posting uses Honda as the benchmark that all others are measured against? I guess that kind of tells the story right there... And oh yeah, you definitely have to try one in a real good storm to appreciate the engineering and build quality of a Honda snowblower. I'm not saying the others are not any good as I appreciate all OPE, it's just that Honda quality has always been top notch without any gimmicks or slogans, etc...


I don't recall anyone using Honda as a benchmark and have yet to see and objective report. The catalog never mentions steering and it appears the 'remote' shute control is twirling a crank an unknown number of turns.  http://www.hondapowerequipment.com/pdf/Brochures/snowblower_brochure.pdf

The engines are OHV not OHC, not that big, and of moderate performance: http://engines.honda.com/models/model-detail/gx270 . IMHO the Subaru snow motors have better designs and specs; can't comment on construction although technicians who I've talked to also say they are better.

The only thing that Honda seems to have is a focus on impeller speed:

  1. "In addition to the flat paddle auger used to discharge snow on our single-stage snowblower, Honda two-stage snowblowers come equipped with a fast spinning impeller in the discharge duct that throws snow faster and farther."
  2. "single lever accurately adjusts ground speed without affecting auger rotation speed."

How is this a superior machine?

This message was modified Sep 30, 2010 by DavidNJ
aa335


Joined: Nov 29, 2008
Points: 2434

Re: The Role Of Impellers on Snowblower Performance
Reply #11   Sep 30, 2010 5:24 pm
DavidNJ wrote:

How is this a superior machine?


Honda does not have steering, fixed axle left to right wheels, none.  That's why they don't mention it.

The chute crank takes about 8 turns for full left right.  It is a worm gear at the end of a crank handle.

http://www.youtube.com/watch?v=6U6yQESTtJo

http://www.youtube.com/watch?v=NHNLbAW6j7k

http://www.youtube.com/watch?v=wWy7iaKWBVU&feature=related

http://www.youtube.com/watch?v=BihUW8eCTis&feature=related

http://www.youtube.com/user/lezart123#p/a/u/0/oxSFgHcIkcM
This message was modified Sep 30, 2010 by aa335
DavidNJ


Joined: Sep 26, 2010
Points: 206

Re: The Role Of Impellers on Snowblower Performance
Reply #12   Sep 30, 2010 5:43 pm
Sounds pretty inferior. Why would someone think it is better? Did they also vote for Obama/Pelosi?
giocam


Joined: Sep 18, 2010
Points: 74

Re: The Role Of Impellers on Snowblower Performance
Reply #13   Sep 30, 2010 5:49 pm
DavidNJ wrote:

How is this a superior machine?


Engine, transmission, track drive, build quality, reliability and performance are all the best in the business.

I don't know what you think you can interpret out of paper stats. Honda's reputation for building the best snowblowers is based on actual experience, its a proven machine that has been around a long time. It has nothing to do with their great reputation for other products like you said in another post. Thats just nonsense. I don't know what it is you have against them. All I can say is get some real life experience in harsh climates with various different machines and you'll see why honda is king in places that need the most out of a snowblower(get crap loads of snow all winter long).
DavidNJ


Joined: Sep 26, 2010
Points: 206

Re: The Role Of Impellers on Snowblower Performance
Reply #14   Sep 30, 2010 6:10 pm
giocam wrote:
Engine, transmission, track drive, build quality, reliability and performance are all the best in the business.

I don't know what you think you can interpret out of paper stats. Honda's reputation for building the best snowblowers is based on actual experience, its a proven machine that has been around a long time. It has nothing to do with their great reputation for other products like you said in another post. Thats just nonsense. I don't know what it is you have against them. All I can say is get some real life experience in harsh climates with various different machines and you'll see why honda is king in places that need the most out of a snowblower(get crap loads of snow all winter long).



No evidence for any of the claims. The engine doesn't appear to be anything special. Where is it made. Ditto the transmission. To the best of my knowledge there is no data on build quality and reliablity across brands. In cars, Honda is more mid-pack these days.

That leave performance. I looked at the videos. The think is SLOW. In all the videos the snow blower seemed slower than nearly every other brand in videos. And that was with it s rather narrow widths. As far as throwing, look at the videos. It is shooting a rather small load out at high speed. You can tell that by how tight the spread is as it leaves the chute and how far it goes before it spreads.

We already determined it has a very awkward chute direction control and no steering making it very hard to manuvuer. In the videos everyone was going straight. In one an 17 year old or so was wrestling with it.

It seems like an undesigned over priced product with misleading advertising using a multi-product brand image to deceive consumers.

giocam


Joined: Sep 18, 2010
Points: 74

Re: The Role Of Impellers on Snowblower Performance
Reply #15   Sep 30, 2010 6:12 pm
How crap you are some stubborn.

The evidence is in the real life experience. Until you get some, you have no clue.
DavidNJ


Joined: Sep 26, 2010
Points: 206

Re: The Role Of Impellers on Snowblower Performance
Reply #16   Sep 30, 2010 6:18 pm
giocam wrote:
How crap you are some stubborn.

The evidence is in the real life experience. Until you get some, you have no clue.



You buy a snow blower, pay top dollar, haven't used an equivalent sized or priced unit from a major manufacturer, and proud of your uninformed purchase?

Evidence, or it is just talk.

As far as specs, I'm mech engineer with a degree from a school that will go unnamed but you would immediately recognize. I've analyzed enough flows to know about throw, drop, and dispersion. This is a low volume high velocity flow, like a high velocity HVAC air handler like a Unico, SpacePak, or EPS.

We have more than enough threads here to know the value of steering and a quick crank. Anyone who has ever used a 24" plus snowblower knows the value of those. And Honda has neither?

It seems your faith is like belong to a religion that can't grow food and touts the value of fasting and how its population isn't obese. North Korea comes to mind.

giocam


Joined: Sep 18, 2010
Points: 74

Re: The Role Of Impellers on Snowblower Performance
Reply #17   Sep 30, 2010 6:48 pm
LOL your education has zero to do with reading stat sheets and deciphering which performs best when it comes to HANDS ON operation of a snowblower. But like every other engineer I know, you think you know it all.
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