Announcement
Collapse
No announcement yet.
Is this design possible to get an axcess energy?
Collapse
X
-
Your diagram is a basic hydraulic/pnuematic pressure intensifier, you will indeed get a gain in pressure in the B chamber but when this pressure is applied to the A chamber which has a larger volume the best you can expect is an equalisition of pressure.
Force = Pressure * Area
There is no gain in this configuration.
-
@HiggsBoson
Thanks for your comment.
You are right for the on the equalisition of pressure.
Since, Force = Pressure * Area, so that mean the force down of big cylinder much bigger than force up of small cylinder.
In my calculation (if my formula are correct) then the lowest pressure of both cylinder (when joinned) is 133 PSI, it will about 500kg push down excess.
selamatg
Comment
-
Comment
-
Mouse Power
Click For Larger Picture
So the mouse eats and sleeps. And when he does, it shifts the weights
"Amy Pond, there is something you need to understand, and someday your life may depend on it: I am definitely a madman with a box." ~The Doctor
Comment
-
Maybe a Hydraulic ram could help you?
Hydraulic ram - Wikipedia, the free encyclopedia
Home-made Hydraulic Ram Pump
Comment
-
Is there something I wrote to offend you Harvey? Is my original post about a ram pump not pertinent? I was simply giving possible advice to the person asking. In no way was I replying or even insinuating anything towards your post and now you seem to be attacking me with... Dull wit?
So yeah, Harvey, either your confused about my intentions or your looking to pick an argument with me. Which is it?
Comment
-
@Harvey
Just increase the pump pressure.Originally posted by Harvey View PostHow to raise the 2 tons up . . .
Force = Pressure * Area
The efective area of small cylinder is 2.36 inch square
The efective area of big cylinder is 11.79 inch square
=2.36 x 2100 (psi) x 0.9 (power factor) = 2,025 kgs
On stroke down :
If my calculation is right then the pressure of both cylinder when joinned is 420 PSI.
The force down will be ;
The load weight + the force down of big cylinder - the force up small cylinder
= 2 tons + (11.79 x 420 x 0.9) - (2.36 x 420 x 0.9)
= 2 tons + 2 tons - 405 kgs
= 3.62 tons force down
am i right?
Regards,
Selamat
Comment
-
You clearly have a problem - and no, I do not wish any ill will toward any member here.Originally posted by HairBear View PostIs there something I wrote to offend you Harvey? Is my original post about a ram pump not pertinent? I was simply giving possible advice to the person asking. In no way was I replying or even insinuating anything towards your post and now you seem to be attacking me with... Dull wit?
So yeah, Harvey, either your confused about my intentions or your looking to pick an argument with me. Which is it?
You may wish to choose your signatures more wisely prior to offending people with them - I see you have found it proper to change it.
"Amy Pond, there is something you need to understand, and someday your life may depend on it: I am definitely a madman with a box." ~The Doctor
Comment
-
Originally posted by selamatg View PostJust increase the pump pressure.
Force = Pressure * Area
The efective area of small cylinder is 2.36 inch square
The efective area of big cylinder is 11.79 inch square
=2.36 x 2100 (psi) x 0.9 (power factor) = 2,025 kgs
On stroke down :
If my calculation is right then the pressure of both cylinder when joinned is 420 PSI.
The force down will be ;
The load weight + the force down of big cylinder - the force up small cylinder
= 2 tons + (11.79 x 420 x 0.9) - (2.36 x 420 x 0.9)
= 2 tons + 2 tons - 405 kgs
= 3.62 tons force down
am i right?
Regards,
SelamatLast edited by Harvey; 04-25-2010, 04:37 AM."Amy Pond, there is something you need to understand, and someday your life may depend on it: I am definitely a madman with a box." ~The Doctor
Comment
-
Hi Harvey,
sorry i forgot to write divide by 2.2 to convert lb to kg. but the result are include with divide 2.2.
My understanding the basic formula as below :
Force (lb) = Area (in2) x Pressure (PSI) x Mechanical Efficiency (0.9)
Please correct me if i'm wrong.
You right, both cylinder will keep same pressure when connected. That point in my understanding, cause the top cylinder much bigger the effective area than small cylinder will add the downward force.Another thing to consider is the volume differential when Port A and Port B are connected. The pressure in the smaller cylinder will drop as the overall volume increases which it will as the top piston drops opening up that space. So the downward force needs to be integrated for that volume differential.
The pressure will come down gradually.
Again...please correct me if i'm wrong.
selamatg
Comment
Comment