Rarely do mechanics know how to restore pressure oil pump,Propeller modification

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Rarely do mechanics know how to restore pressure oil pump,Propeller modification

This process is only to reduce the diameter of the propeller fan.Which aims to compensate for the rotation of the connecting shaft of the driving motor
In order to get a little power expenditure and get maximum cubication results.
Lathe techniques
Creative idea
Making tools
Making gear
-welding TIG aluminum
-tig welding AC DC
-tig welding
-welding mma
-welding
-resurfacing
-welding technique
-lathe technique
-lathe knife
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