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