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Build Your Own Hydraulic Forging Press
<p>This book and drawings are designed to help you build your own 24 ton Hydraulic Forging Press. A two horsepower 220 volt single phase motor running at 1725 RPM powers a 5.5 gallon per minute "Hi-Lo" hydraulic pump. Ram force of 24 tons is applied by a 5" diameter double acting hydraulic cylinder at 2500 psi pressure. The movement of the ram die is controlled by a 4 way, 3 position hydraulic valve. The length of the ram stroke is 8". The maximum speed of the ram is...
Three Point Lift
The Three Point Lift comes with a fixing plate to allow it to be adapted for a wide variety of uses. The rigid arms and single acting hydraulic cylinder make it an ideal low cost way to add a front lift . Where a vehicle, quad bike or tractor does not have a hydraulic system …
Mother Earth News
FIG. 4: The collector has been facing west (left). As the sun appears on the eastern horizon (to the right), however, the freon in its unshaded tank has begun to warm and expand. This is pushing the piston down in the hydraulic cylinder and, as the contracting piston pulls on the eccentric arm fastened to the pivoted flat-plate collector, the solar collector is pulled over to face the fresh morning sun.