SDPA-I
Small Diameter Pulse Accelerator

SDPA-1

 Status: Completed (2007)

    A simple gun made without any workshop tools or custom pieces. Scavenged from an old laser tag toy gun.

Videos:

SDPA-1Vid1.AVI

 

 STATS:

  • General:
    • Designation: SDPA-1
    • Name: Small Diameter Pulse Accelerator I
    • Stages: 1
    • Design Type: HandGun
    • Loading Type: Muzzle Loaded
    • Switching Type: 12V Relay
    • Charging-4 AA (3V Total)
    • Relay-1 9V (9V Total)
    • Charger Type: 1 Camera Circuits
  • Coil Description:
    • Layers: 7
    • Wire: 22 gauge
    • Length: 33 mm
    • Inner Diameter: 6.5 mm
  • Capacitors:
    • Capacitance: 1320 uF
    • Voltage: 350 VDC
  • Projectile:
    • Projectile Type: Machined Steel Nail (Not Standardized)
    • Diameter: 3-4 mm
    • Length: 20-30 mm
    • Mass: 3 g
  • Measured:
    • Exit Velocity: 35 m/s
    • Fire Rate: 1.25RPM 
  • Calculated:
    • Stored Energy: 80 J
    • Kinetic Energy:  1.8 J
    • Weapon Efficiency: 2.2 %
    • Momentum: 0.11 kg*m/s
    • Charger Power (New Batteries): 2W