Portable Compressor Selection Wizard
Where is your project?
Sets default altitude, temperature and supply — you can change them in step 5
What is the main application?
Your choice pre-fills the next questions
Hole diameter and depth?
Use the deepest hole
Hole diameter (mm)
Maximum depth (m)
Advanced (optional)
Rock and water?
Water adds back-pressure — about 1 bar per 10 m of water
Water
Casing while drilling?
Confirm site conditions
Pre-filled from your region — please correct if needed
Stable grid power on site?
Choose diesel if there is no stable grid or the unit moves often
Any preferences? (optional)
Series
Engine brand (diesel only)
Recommended for your site
What you need
Air flow
Incl. 10% margin and altitude/heat correction
Recommended pressure
Hammer + annulus + water + hose — full speed
Minimum pressure
Drills, but slower when deep
Stages
Single-stage up to about 19 bar
Estimates from general formulas, for reference only — a KayDrill engineer will confirm. Speed is relative to full speed at the bottom of the hole; energy assumes 80% load.
