DeWalt DCN890 - Dry Fire Lock Out Engineering

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Single Flywheel System
• Quantify Key Design Parameters
• Inertia, Flywheel Speed, Driver Mass, Pinch Force, V Angle
• Performance Verification - Prototype
• Penetration in 4000 psi concrete / A36 steel
• Pin retention force in steel and concrete
• Recoil acceleration benchmarking
• End-user validation
• Size and Weight Limits – User Research
• 4.2 Kgs Determined Acceptable
342 J
15000 rpm
J 597
81 J
30m/s (106 ft/s)
62 J Return
Shots / Charge, 5.0 Amp Hr
480 Steel, 580 Concrete
ENGINEERING – ENERGY