Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) > Discussions > Honda HS520 (US) Throws 55 tons/hr???
Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions |
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RedOctobyr
Location: Lowell area, MA
Joined: Nov 5, 2011
Points: 282
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #3 Feb 11, 2012 8:48 pm |
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I don't know what a typical snow coating on a driveway might actually weigh. In a big storm, it will certainly be a lot (which may be cleared in an hour). Do I think the machine is definitely 32 tons/hr? Don't know. But you may also need to consider how they're defining "move". If you're doing EOD slushy stuff, that kind of snow weighs an awful lot (exhibit A- 1 shovelful). And they may be defining "move" as simply having it come out of the chute. 32 tons/hr is 18 lbs/sec. That's a lot, no question, feels perhaps a bit optimistic. But if you're letting the machine hammer its way through the deep slush in 1st gear, and the stuff is basically just pouring out of the chute (landing 2 feet away), that's maybe a few pounds per second (thinking about my 8hp MTD). I've never tried to catch & weigh what's coming out All just speculation on my part; for all I know, maybe it's 40 tons/hr.
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trouts2
Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #4 Feb 12, 2012 8:45 am |
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The numbers might all be true but are probably best condition numbers and have nothing to do with average snow or EOD. An SS can throughput a bunch of good condition snow but seem to bog down disproportionatly to a two stage as conditions toughen. Toro 621 54 Honda 520 55 Toro 210 51 Toro 418 33 Toro Powerlite 33 Two stage: Toro 826 57 Toro 1028 63 Toro 1128 66
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CharlesW
Joined: Jan 9, 2011
Points: 76
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #7 Feb 12, 2012 1:34 pm |
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The numbers might all be true but are probably best condition numbers and have nothing to do with average snow or EOD. An SS can throughput a bunch of good condition snow but seem to bog down disproportionatly to a two stage as conditions toughen. Toro 621 54 Honda 520 55 Toro 210 51 Toro 418 33 Toro Powerlite 33 Two stage: Toro 826 57 Toro 1028 63 Toro 1128 66
Interesting information.
One thing I might ask, do you really want to confuse the issue with facts?
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borat
Joined: Nov 10, 2007
Points: 2692
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #8 Feb 12, 2012 4:11 pm |
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Take a look at the following video. I took this the other day watching a wood harvesting operation not far from my home. This is a good size operation with industrial size equipment. Everything is pretty much standard wood harvesting equipment. While watching them, I timed how long it took them to fill a 40' x 8' x 10' chip van with 21 tons of hog fuel, which is primarily chipped wood/branches and bark. It took approx. 30 to 40 minutes with the chipper running non-stop. In this video the chipper starts off slow because it was just relocated. When running full tilt, it puts out a pretty solid stream. Now, I ask, does anyone out there think they have a consumer grade snow blower of any brand or type that can fill one of these high cube vans twice in an hour? How about even once in an hour? Hyper link not working. You'll have to cut and paste. http://youtu.be/yK2M1NL2gNQ
This message was modified Feb 12, 2012 by borat
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trouts2
Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #9 Feb 12, 2012 7:04 pm |
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The chipper setup is highly optomized speeds and feeds for throughput . I'd bet for snowblowers the marketing guys review what the engineers came up with and went over any possibility to lift those numbers by varying something like ground speed, snow depth, density and etc. Just say you could get a mile of nice flat highway with 20 inches of snow and an 8hp with a 24 wide and a higher than snow bucket. Say the snow is light enough to clear at an average blower speed of 2-3 on the shifter. Going for a full hour, no turns, no stops, no breaks just cranking the machine could throughput lots of snow. The van is big but the 21 tons is sketchy. Are they crunching pine or hardwoods? One would probably be twice as dense as the other so half the van volume for 21 tons or double ?? depending. Snow volume is always different i.e. density, crystal types & etc so the weather service thinks about it in terms of water, so much water per cubic foot of snow. But that only tells you what's there at the moment. There's no defined standard. Water is heavier than wood chips but in snow form the volume large for the weight. Once thrown into the van the compacting could make the snow very dense and heavier than wood chips. The marketing number are probably what they are in most spec's. Attainable only under ideal test conditions. It's like the specs for laptop battery lift. You can make the thing work for 8 hours on battery but there isn't a user who would use his laptop in the way required to get 8 hours of up time. Marketing numbers are sometimes useful for comparisons but no so useful for judging somethings capability.
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RedOctobyr
Location: Lowell area, MA
Joined: Nov 5, 2011
Points: 282
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #10 Feb 12, 2012 7:17 pm |
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Marketing numbers are sometimes useful for comparisons but no so useful for judging somethings capability. Well said. As with a lot of things, they are probably only useful as relative comparisons between machines from the same brand. And, perhaps, really only between same-style (SS vs 2-stage) from the same brand. I'm sure there are cases where, even within a brand, the 20-ton 2-stage can outperform the 25-ton SS. Deep, wet snow, icy stuff, that sort of thing. This is like contrast ratio ratings for TVs. Those numbers mean squat. Especially with the "cheating" that goes on when they start talking about "dynamic contrast ratios". It's bogus to list a number based on the max possible contrast between a black image with the backlight set fully dim, and a white image with the backlight maxed out. But, all that said, if you're looking at 2 sets from Sony, and one has a 4,000:1 contrast ratio, and the other is 6,000:1, then hopefully the 6,000:1 set really is better in that respect.
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borat
Joined: Nov 10, 2007
Points: 2692
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Re: Honda HS520 (US) Throws 55 tons/hr???
Reply #11 Feb 12, 2012 7:23 pm |
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Those vans loaded to the very top carry on average 21 tons of hog fuel. Tonnage may vary by a percent or two but no more. Volume wise, they are huge. Tonnage wise, they don't carry that much weight.
From my experience working in heavy transportation, I have a pretty good idea what a ton of anything bulk looks like. Be it coal, grain, potash, sulfur, gravel, rip rap, crushed rock, and even snow. You name it, I've seen it. To move 55 tons of snow in an hour with a consumer grade snow blower would be an incredible feat. I'd say that if we move 30% of that in an hour, it would still be a hell of a lot of snow.
At best, I'd say the manufacturer's suggested throughput numbers are wildly optimistic. Something akin to fuel mileage in automobiles but even worse..... Your mileage/throughput may vary.
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