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chefwong


Joined: Dec 18, 2004
Points: 175

What is/are the benefits of hydrostatic transmissions ?
Original Message   Nov 10, 2010 1:48 pm
FWIW, I bought my 1st 2 stager - Honda unit - without ever demoing a unit that had Hydrostatic Transmission.
Just short of the fact that it's variable infinite speed, can anyone just give me a laymens primer on the benefits of a Hydrostatic Transmission ?


BTW, how often if any do you do a OCI on the hydro transmission.

I was just surprised how much ~harder~ is is to move when not engadged as opposed to ~regular~ geared transmission.
I was at the local orange borg last night and wheeled the Organge buckets around and they wheel so much with ease...
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aa335


Joined: Nov 29, 2008
Points: 2434

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #26   Nov 18, 2010 10:20 am
chefwong wrote:
An interesting observation....I've moved the HS724 plenty of times with the engine off/transmission disengaged.

There was a link to a video on youtube that showed how *productive* one could be with wheels when just going straight, pulling the unit backwards in one heap, then make another forward pass,  rinse and repeat.
I guess to do this on the Honda, it's not easily done in this fashion due to the hydrostatic transmission.

Just yearning for more info, to get a better idea of the pros and cons of various things while figuring out what are the best methods of importing ~old blue~ back stateside.......

I'm sure if you want to, you can rig a bicycle brake lever to that transmission to make it easier.  That might be worthwhile with the wheeled unit, I wouldn't do it on track unit since it's still quite a bit of effort to move it.

Also, another method to try with your wheeled snowblower is lift up the rear and put more weight on the skids when pulling back.  You can let the wheels glide over the thin layer of snow.

Try them all and see which method works for you.  Your 724 is a pretty lightweight and being wheel, not track, may be easier to do.  Us people with tracks snowblowers have no choice but just have to flick the speed selector lever forward and reverse.  :)

Good luck on getting ole blue
JGtravelor


Joined: Jan 14, 2011
Points: 13

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #27   Jan 15, 2011 12:01 pm
1. The hydrostatic drive has the variable speed forward and reverse like a joystick for one hand control.

2. Hydrostatic has no cable stretch issues and no friction disc to clean or worry about water getting in causing slippage like on the John Deere of 2009 before the new seal kit.

3. Below the unit is a release lever to disengage the transmission to roll around with the engine off. Apparently the person complaing about moving it didn't switch the release.

This high technology cost more but the payback is in ease of use and the elimination of service calls and repairs that everyone is paying on the pressure plate design when your not handy and can't fix or clean it yourself.

PS I saw the comments on Subaru all wheel drive. The A3 transmission is 80% front wheel, 20% rear wheel. The slip correction doesn't occur unless you tap the brake to tell the computer to check the slip differential. The demo on how this works was on a film of a Subaru going up an icy ramp. To make this work in the snow you must take the car out of "D" for over drive and put it in "3" for driving in snow to increase 4 wheel drive ratios and automatic corrections.  The newer models may be different but I know most cars even my Caddy tells you to take it out of "D" and puty  in "3" and there is a special button that looks like a snow flake. From talking to people about this 99% never read the owners manual and always leave the car in drive "D" until after the accident and they read about it or get informed.

 Drive safe, drive smart.

trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #28   Jan 15, 2011 12:17 pm
>>>Drive safe, drive smart.

Drive back to New Jersy.

Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #29   Jan 15, 2011 1:52 pm
trouts2 wrote:
>>>Drive safe, drive smart.

Drive back to New Jersy.




Who the hell let all the morning people run things?
Knee_Biter


Wicked Pissa

Location: just outside of BOSTON
Joined: Dec 14, 2008
Points: 147

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #30   Jan 15, 2011 2:53 pm
Or New York   trouts2 wrote:
>>>Drive safe, drive smart.

Drive back to New Jersy.



Steve_Cebu


Joined: Dec 17, 2009
Points: 888

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #31   Jan 15, 2011 3:24 pm
trouts2 wrote:
>>>Drive safe, drive smart.

Drive back to New Jersy.



+1

"If you have more miles on your snow blower than your car, you live in New England."  "If you can drive 75 mph through 2 feet of snow during a raging blizzard without flinching, you live in New England."
aa335


Joined: Nov 29, 2008
Points: 2434

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #32   Jan 15, 2011 8:15 pm
Will the real David step forward?
jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #33   Jan 16, 2011 11:28 pm
I would say that the biggest advantage of the hydro drives. Is that under any conditions you can match your forward speed to your blower through put capacity.  That fact that you can slow the forward speed down to a little more than a creep under certain conditions.  Is a real plus in my opinion.  I've noticed with my re-powered 1032 Arien.  That I need a little slower forward speed or a little higher through put under maximum snow load conditions.
That would be a full 32" cut with a snow depth to the top of the bucket.  The engine doesn't bog and only drops about 3 to 400 rpm.  But I sometimes have to pause for maybe 2 seconds for the blower to clear part of it's load.
That is the beauty of the hydro trans.  If I had one I could back it down just a little and keep the blower at max through put without over loading it. Matching your forward speed to the snow load is how you achieve maximum snow clearing performance for any blower.  If you move to fast for the load. You lose rpm and everything slows down.  Forward motion and blower through put.
 
This message was modified Jan 17, 2011 by jrtrebor
Steve_Cebu


Joined: Dec 17, 2009
Points: 888

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #34   Jan 17, 2011 12:56 am
jrtrebor wrote:
I would say that the biggest advantage hydro drives. Is that under any condition you can match your forward speed to your blower through put capacity.  That fact that you can slow the forward speed down to a little more than a creep under certain conditions.  Is a real plus in my opinion.  I've noticed with my re-powered 1032 Arien.  That I need a little slower forward speed or a little higher through put under maximum snow load conditions.
That would be a full 32" cut with a snow depth to the top of the bucket.  The engine doesn't bog and only drops about 3 to 400 rpm.  But I sometimes have to pause for maybe 2 seconds for the blower to clear part of it's load.
That is the beauty of the hydro trans.  If I had one I could back it down just a little and keep the blower at max through put without over loading it. Matching your forward speed to the snow load is how you achieve maximum snow clearing performance for any blower.  If you move to fast for the load. You lose rpm and everything slows down.  Forward motion and blower through put.
 


This may not be relevant but I find that the drive engagement lever in my Toro can be used to creep forward if i just lightly push down on it. I would imagine Ariens would do the same. I only have to use this when I get near the hidden rocks but it does work.

"If you have more miles on your snow blower than your car, you live in New England."  "If you can drive 75 mph through 2 feet of snow during a raging blizzard without flinching, you live in New England."
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #35   Jan 17, 2011 8:12 am
I'd second everything jrtrebor said above in post 33.

As I get more clearing time and familiar with the Honda hydro the more I like it.  Slowing way down in tough going is easy with the hydro compared to friction drive.  With the hydro your hands are free to do a little bucket wiggling or lifting and lowering.  With friction drive and slipping the clutch it's harder to manage the slowed rate while jiggle the machine at the same time.  The rate changes.  That's ok for a short pile or small areas where the going is tough but for a long run of tough going the managing of the drive clutch becomes a hassle.  For a small clearing area it's not so much a big deal but for a big area and constantly haveing to manage the clutch in big snow the hydro makes it easy.  It's easier to the drive rate for a slight plowing of the bucket. Changing speeds is easier.  For many area these advantages are not so great.   The tough areas are not so many and the number of times of big snows few.  The number of wet snows is also a factor. 

The hydro seem very robust and like it could take quite a bit of hard yearly use.  I've talked with a few owners, Honda dealers and service mechanics and they all have the same report that the hydro is well made and stands up over the years.  That also may not be much of a factor for many.  Friction disk last a long time when used right.   I've picked up several of the hydro tracks and a few very beat up from always using bucket forward.  The buckets were ground off a full half in all around the bottom section of the bucket with metal in the back pealed.  Big abuse but hydro fine and also the track components seem unworn. 

The hydro would seem to be a nice feature and worth the extra cost for bigger areas and commercial use.  For a smaller area and with someone who is no so concerned about the price compared to a decent friction drive machine a hydro would be ok.  

This message was modified Jan 17, 2011 by trouts2
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