SDPA-1

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