New Tree Shear slow closing.

   / New Tree Shear slow closing. #11  
Thanks for the replies and suggestions. It is a 5" cylinder and I'm feeding it with 1/2" lines. I did some checking and my pump is only rated for 8.3 gpm. I think you're all correct, it's working as good as it's going to with this setup.
Consider going with a pto hydraulic pump if you need more speed. I bought a Ford 7710 that needed more hydraulics and the previous owner added a pto pump.
David from jax
 
   / New Tree Shear slow closing. #12  
If my math is correct 5” cylinder would extend approximately 1.6 inches per second with 8 GPM inlet flow

Your math is either correct or we're both wrong.
 
   / New Tree Shear slow closing. #13  
Theres a calculator for everything now. Google hydraulic cylinder cycle time.
 
   / New Tree Shear slow closing. #14  
This one's slow at 13 GPM.
 

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