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Under water??

D

davidd

Well-Known Member
Joined
Mar 11, 2009
Messages
154
Location
ga
Occupation
www.paulowniatrees.com
On the news today, they were talking about the floods in India. They showed a excavator on the edge of a swollen river. It was sending the dipper completly under water, including the dipper cylinder. Just thinking can a cylinder draw water in on either the in or out stroke?
David d.
 
mitch504

mitch504

Senior Member
Joined
Feb 27, 2010
Messages
5,776
Location
Andrews SC
No, they have to be sealed, or the oil would run out. even with a bad seal there is still pressure in the cylinder that's way higher than atmospheric pressure on the water. It's very common to use them underwater.
 
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