Hydraulic Piston Pumps

Question...

Do two 4" hydraulic piston have the same power as one 8" piston?

I am wondering if two 4" hydrulic pistons have the same power as one 8" inch piston? My brother says that one 8" piston is stronger than two 4's? I think it they should be about the same, although there might be a difference in the size of hydraulic pumps needed? Thanks

Answers...

Answer by Cirric
Hi. If you assume equal pressure the piston(s) with the most surface area have the most power. Solve for both areas.

Answer by theworldssmartestman
Greetings!

Your brother is correct. Diverting the energy from the source to two different destinations lessens the amount of thrust the piston is able to produce.
The power you speak of is not the piston but the pump. The piston acts as a direct reaction from the energy produced by the pump.

Good Luck

Answer by Franco
No, the power generated is proportional to the square of the diameter.

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