SDPA-1

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