Hydraulics Task

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Hydraulics Task

Post by Jim_R » September 3rd, 2010, 1:16 pm

Discussion for Hydraulics task.
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Re: Hydraulics Task

Post by aubrey048 » January 16th, 2011, 10:34 am

I think this is one of the simpler tasks this year. (The others are quite tricky, though, or so I've heard.)

I did MP last year. Last year they gave us a choice between hydraulics and pneumatics, and we chose pneumatics.

We went to a pharmacy and got some syringes, two to be exact. We stretched a tubing over the "pointier" end of each and connected the so that when one was pressed, on air traveled to the other and pressed the shaft outward. The same principle can apply to water. All you need is a weight to fall on the top of one of the syringes, and this reaction can start the next task.

Any questions??? (I will try my best to answer them . . .)
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Re: Hydraulics Task

Post by courage7856 » January 16th, 2011, 4:39 pm

Not quite a question, but a suggestion. At my local Walgreens, they gave us syringes for free. All we had to do is ask at the pharmacy counter. I believe they were 5 cc.
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Re: Hydraulics Task

Post by questionguy » January 16th, 2011, 5:26 pm

How heavy or large does the mass have to be that will push on the syringe?

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Re: Hydraulics Task

Post by Primate » January 16th, 2011, 8:55 pm

questionguy wrote:How heavy or large does the mass have to be that will push on the syringe?
Depends how much resistance your syringe has; the bigger your tubing/opening, the less force you'll need.
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Re: Hydraulics Task

Post by questionguy » January 17th, 2011, 4:08 pm

aubrey048 wrote:I think this is one of the simpler tasks this year. (The others are quite tricky, though, or so I've heard.)

I did MP last year. Last year they gave us a choice between hydraulics and pneumatics, and we chose pneumatics.

We went to a pharmacy and got some syringes, two to be exact. We stretched a tubing over the "pointier" end of each and connected the so that when one was pressed, on air traveled to the other and pressed the shaft outward. The same principle can apply to water. All you need is a weight to fall on the top of one of the syringes, and this reaction can start the next task.

Any questions??? (I will try my best to answer them . . .)
Where did you get your tubing to stretch over the syringes. Also, when your dropping the mass, how much did your syringes have to move for the next task to start?

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Re: Hydraulics Task

Post by courage7856 » January 17th, 2011, 4:40 pm

questionguy wrote:
aubrey048 wrote:I think this is one of the simpler tasks this year. (The others are quite tricky, though, or so I've heard.)

I did MP last year. Last year they gave us a choice between hydraulics and pneumatics, and we chose pneumatics.

We went to a pharmacy and got some syringes, two to be exact. We stretched a tubing over the "pointier" end of each and connected the so that when one was pressed, on air traveled to the other and pressed the shaft outward. The same principle can apply to water. All you need is a weight to fall on the top of one of the syringes, and this reaction can start the next task.

Any questions??? (I will try my best to answer them . . .)
Where did you get your tubing to stretch over the syringes. Also, when your dropping the mass, how much did your syringes have to move for the next task to start?
I got mine at Lowes. I don't remember how wide it was, but we got 3 feet (extra) and it cost us less than a dollar.
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Re: Hydraulics Task

Post by elmono » February 4th, 2011, 12:14 pm

questionguy wrote:
aubrey048 wrote:I think this is one of the simpler tasks this year. (The others are quite tricky, though, or so I've heard.)

I did MP last year. Last year they gave us a choice between hydraulics and pneumatics, and we chose pneumatics.

We went to a pharmacy and got some syringes, two to be exact. We stretched a tubing over the "pointier" end of each and connected the so that when one was pressed, on air traveled to the other and pressed the shaft outward. The same principle can apply to water. All you need is a weight to fall on the top of one of the syringes, and this reaction can start the next task.

Any questions??? (I will try my best to answer them . . .)
Where did you get your tubing to stretch over the syringes. Also, when your dropping the mass, how much did your syringes have to move for the next task to start?
You can tubing from any pharmacy. We used 100 grams that we used from our physics teacher. You can use pullyes to hold them up and something that triggers the pulley to release the mass.

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Re: Hydraulics Task

Post by zcshiner » February 5th, 2011, 11:44 am

questionguy wrote:Where did you get your tubing to stretch over the syringes.
We used aquarium tubing.

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