How do hydralics work on mobile vehicles?

DarkMeasures

New Member
Original Poster
Well on Dinsosaur, I have been wondering how the cars keep silent while using hydralis. I have worked with phenomics and, those were extremely loud. But, I noticed that there is no hose to the cars and yet the hydralics work silently.
 

Tom

Beta Return
Originally posted by DarkMeasures
Well on Dinsosaur, I have been wondering how the cars keep silent while using hydralis. I have worked with phenomics and, those were extremely loud. But, I noticed that there is no hose to the cars and yet the hydralics work silently.

Sorry to be replying so late, but I noticed nobody had responded to you.

If you've ever seen a bulldoxer or backhoe working, you've seen hydraulics being used on mobile vehicles. Tanks of hydraulic fluid are stored on the vehicle, and a pump will pump the fluid into the cylinders and then release it back into the tank to create motion. Pneumatics are noisy because they require a relief valve to get rid of the excess air, and constantly suck in new air. Hydraulics are 99% silent, and reuse the same fluid over and over. Everything can be self-contained.
 

Testtrack321

Well-Known Member
Re: Re: How do hydralics work on mobile vehicles?

Originally posted by edwardtc
Sorry to be replying so late, but I noticed nobody had responded to you.

If you've ever seen a bulldoxer or backhoe working, you've seen hydraulics being used on mobile vehicles. Tanks of hydraulic fluid are stored on the vehicle, and a pump will pump the fluid into the cylinders and then release it back into the tank to create motion. Pneumatics are noisy because they require a relief valve to get rid of the excess air, and constantly suck in new air. Hydraulics are 99% silent, and reuse the same fluid over and over. Everything can be self-contained.

Not only that, but pnumatics has to COMPRESS new air everytime. Which, is where lots of the noise comes from.
 

marni1971

Park History nut
Premium Member
Yes, and the INdy EMVs at DLC P*** fluid everywhere... thats why they changed the system for TDL. Anyone know what dinosaur uses?
 

DarkMeasures

New Member
Original Poster
Wow. I thought this topic was long gone. But I still remember when it was posted.

Thanks for the info and do you think the future EMVs will use a system like Servo motors to create that off road feeling?
 

Tom

Beta Return
Originally posted by DarkMeasures
Wow. I thought this topic was long gone. But I still remember when it was posted.

Thanks for the info and do you think the future EMVs will use a system like Servo motors to create that off road feeling?

I doubt it. Motor controllers will wear out fast - since they're mechanical, and have lots of moving parts, parts rubbing on each other, etc. With hydraulics, you get smooth, seamless motion, and the parts "never" wear out. You replace hoses and grease the pistons, but there are no teeth, gears, or motors to burn out.
 

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