Hydraulic.si
Fluid power engineering, sized and solved
Size pumps and cylinders, troubleshoot fluid power systems, and understand hydraulic circuits - explained clearly, for technicians and engineers who need answers on the shop floor.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Hydraulic.si gives you
calculator
Pump & cylinder sizing
Step-by-step sizing for pumps, cylinders, and actuators.
wrench
Circuit troubleshooting
Diagnose pressure loss, overheating, and valve issues systematically.
book
Fluid power reference
Formulas, unit conversions, and component selection guidance.
bookmark
Saved project threads
Sign in free and keep every conversation for later reference.
Pricing
Simple plans that grow with you
Most popular
Plus
$9/mo
- ✓200 questions per day
- ✓Full saved conversation history
- ✓Sizing calculators
Premium
$99/mo
- ✓Unlimited questions
- ✓Extended troubleshooting deep-dives
- ✓Everything in Plus