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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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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 #36   Jan 17, 2011 8:52 am
Yes you can do the same on an Ariens as on a Toro.  Just feather or lightly engage the drive to move a little slower.  But that is actually allowing the drive plate to slip on the friction wheel a bit. Which if done for to long will heat up the rubber on the wheel. Taken to the extreme you could flat spot the fiction wheel if this was done under an extreme snow load. Which is when the slower speed is sometimes needed the most.  But having said all that feathering the drive is alright as long as the wheels are continuing  to spin while feathering.  That tells a person that the fiction wheel is spinning and not being held in one place and burning.

But as trout said being able to just adjust and set the Hydro speed and forget it, makes things simpler a lot easier. While you sometimes wrestle with the blower itself.
aa335


Joined: Nov 29, 2008
Points: 2434

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #37   Jan 17, 2011 9:18 am
Not sure if the same can be done with friction disc, but with hydro, I can change drive speed and direction on the fly without releasing the drive lever. Convenient at times when you need to rock it out of a rut.
trouts2




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

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #38   Jan 17, 2011 9:37 am
You can't the friction disk is touching the drive plate so won't slide to another gears when the clutch is engaged.  You can quickly let off the clutch and get another gear quickly if you are very familiar with your machine but most people arn't because of infrequent use.
tkrotchko


Location: Maryland
Joined: Feb 9, 2010
Points: 143

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #39   Jan 17, 2011 9:39 am
aa335 wrote:
Not sure if the same can be done with friction disc, but with hydro, I can change drive speed and direction on the fly without releasing the drive lever. Convenient at times when you need to rock it out of a rut.


I've used an MTD track for 13 years and I just got my Honda tracked about a month ago, but I've never encountered a time with tracks that you need to rock it out of a rut. Worst case when I ended up in a ditch, the machines are always set up to simply balance the thing backwards and let it climb its way out.

I was just moving all my OPE and cars around in my outdoor workshop and the ground had about an inch of snow (I've not used the Honda yet) and I realized the Honda in snow turns effortlessly. No joke, no exaggeration. I'm a small guy so I'm not muscling the thing around, its just easy to turn. And I don't think its any worse than the MTD because the MTD sat "flat" on the tracks, meaning even with the trigger drive, that thing would not allow you to slip it on the ground. By contrast the tracks on the Honda are raised in the center meaning there's a high spot where its pivoting on a 1/2" inch piece of rubber, so as long as I keep it going, I can spin it 180 degrees. And with the hydro drive, as I come to tight turns, I don't have to stop, I simply slow it down let it spin on the tracks a bit and go. Nice. I am looking forward to 30" of snow now.

And in thinking about how people keep saying the Honda track drives are hard to maneuver, I finally realized its a matter of perspective. *I've only ever used a track drive*, the first year I struggled because I had to keep stopping to steer it, move it slide it, and after a while tracks become second nature. Tracks might take a homeowner 2-3 years to really get accustomed to how to use them.
This message was modified Jan 17, 2011 by tkrotchko
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 #40   Jan 17, 2011 10:07 am
I'm guessing that aa335 was talking about a situation where the tracks have lost traction (there spinning). So you have to rock it a bit for the tracks to get a better bite on the surface. Or you are simply digging a hole with the tracks, so to speak.
Shryp


Location: Cleveland, OH
Joined: Jul 26, 2010
Points: 532

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #41   Jan 17, 2011 10:13 am
It isn't recommended, but changing gears on a friction disc without stopping or disengaging is possible.  I do it sometimes.
MN_Runner


Location: St. Paul, Minnesota
Joined: Dec 5, 2010
Points: 622

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #42   Jan 17, 2011 10:39 am
Not sure if having hydrostatic transmission is good for sensitive owners like myself.  The fluid level is just funny - it looks like nothing there but when the engine warms up, the level looks normal.  It just feels strange - so I called my dealer this morning and told me it is just normal and nothing to worry about.  I asked him if I should add an oz or two and that would make me feel better - so the dealer said that would be just fine and asked me to bring a plastic container so he can give me an oz or two to add.  So having this extra flud check level is not a good thing for someone as anal as I am.
aa335


Joined: Nov 29, 2008
Points: 2434

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #43   Jan 17, 2011 10:49 am
MN_Runner wrote:
Not sure if having hydrostatic transmission is good for sensitive owners like myself.  The fluid level is just funny - it looks like nothing there but when the engine warms up, the level looks normal.  It just feels strange - so I called my dealer this morning and told me it is just normal and nothing to worry about.  I asked him if I should add an oz or two and that would make me feel better - so the dealer said that would be just fine and asked me to bring a plastic container so he can give me an oz or two to add.  So having this extra flud check level is not a good thing for someone as anal as I am.

You can wrap the reservoir with a black plastic bag so you don't see it.    I'm surprised you don't have a fluid level table at every temperature so you can tell that it's 2 microns low.
aa335


Joined: Nov 29, 2008
Points: 2434

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #44   Jan 17, 2011 10:53 am
jrtrebor wrote:
I'm guessing that aa335 was talking about a situation where the tracks have lost traction (there spinning). So you have to rock it a bit for the tracks to get a better bite on the surface. Or you are simply digging a hole with the tracks, so to speak.

I tried climbing a 4 foot mound just for fun.  The snow was soft and the machine sunk in and got high centered, and there was still 2 foot of base snow underneath the tracks.  A little rocking back and forth and side to side helped pull it out.
trouts2




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

Re: What is/are the benefits of hydrostatic transmissions ?
Reply #45   Jan 17, 2011 12:02 pm
   Interesting comment on taking a few years to get used to snowblowers.  It has with me.  I'm getting better and looking for jamborees. Buy a 350 and flat bed and do the snowblower circuit.

   I tried stairs yesterday.  Down was fine but I could not get back up.  Going down did not clear all the snow as I did not want to bang the bucket so the treads were not exposed going up.  I figured it could dig it's way down to them but it did not.  They probalby had to be "clean" to go up.  ??

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