How does a Hydrostatic pump work?
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- Опубліковано 9 чер 2024
- The tolerances in a hydrostatic motor are so small and impressive, but how does it actually work? Why does my transmission oil matter?
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While that part is amazing enough in itself, what I find more amazing is the fact that someone came up with that idea.
Be more amazed. This style pump has been around a long time. Ford, for instance, used this style pump in the early 1950s on tractors. I have seen even older versions of this used in industrial applications.
And those tolerances are why you change your transmission/hydraulic fluid regularly, and with the right fluid for your *specific* machine!
I taught hydraulics in a VoTec in Oklahoma for 5 years and loved it. Before I taught worked as a hydraulic technician and put in a few hours in the field working on Sundstrand pumps and motors. Nothing like fluid power. 👍🏻
Back in 1981 I had an old Cub Cadet hydrostatic 12hp front end loader yard tractor. When cold, it was good, but lost function as it warmed up. I knew nothing about troubleshooting it, and knew it would be expensive if I took it to a shop. 31 years later I bought my BX25 and have accumulated 3237 hours. Love it. But I only learned about HST pump and motor when I bought a hydrostatic drive lawn tractor that did not function. The previous owner had it repaired, but when reassembled, a part was installed incorrectly. I fixed it and use it as my acreage runabout, towing a sweeper and various trailers. Love hydrostatic.
The power of hydraulics always impressed me , interesting to see inner workings.
Would have been nice to see the damage and get a general explanation of what caused the damage.
I'm assuming low, bad, wrong hydro fluid or water causing Excessive heat, wear or loose metal debris getting stuck. Looked like A LOT of scaring on the one piston without the brass shoe.
Professor Neill!!!! Great "class"! Thank you!👍
I’ve used hydrostat transmissions for years, but never saw the inside of one. (Probably a good thing ;-) Thanks for sharing this.
Thanks for doing this one Neil! I think this was for my request a few weeks back - much appreciated!
Another great and fun video Neil! Thanks
Thanks for the education, it's just amazing how they develop new ideas and technologies.
Great video Neil thanks
Nice explanation. Thank you
Flashbacks from when I rebuilt aircraft hydraulic pumps and other hydraulic systems.
Amazing
The design was by vickers of england many years ago
Hah. I was like 'oh like a helicopter' and then you pull out the swashplate.
Thank you for sharing
I've often wondered, thanks!
Very cool.
Hydro-drive power units are king for applications such a landscaping. The ability to feather the machine travel speed instantly is much safer than gear drive and loader work is also more efficient. Gear drive has its place though, especially for field work.
Glad I got a gear drive Kubota.
Good for you' Sparky ' !!!
Had gear drive for decades, now loving my HST transmission. Especially for loader work, can't beat it
Looks expensive. They have play-boards for toddlers that show how gears work, so I guess I’ll stick with my 35 year old gear grinder Ford tractor. I understand it.
I was somewhat shocked when I saw that Mike Morgan is leaving the fold. And going with a different Manufacture.🙄.
Mike is making money he switches every few years.
What caused the failure?
Now if we could just fix the kubota whine… 🫤