pa-iv
PA-IV
Pulse Accelerator 4
Click on Schematics to Enlarge
PA-IV
Status: COMPLETED 07/13/2009
Capacitor Bank Assembly Completed and Initial Design Completed.
Test Coils and Projectiles created.
Ammunition Magazine Completed.
Boost Converter Board Completed.
Barrel Mount, Injector, and Main Assembly Completed.
Detect, Delay, and Pulse Width Modulation Board Competed.
Switching and Snubbing Modules Completed.
Display Driver Board Completed.
Laser Sight and LED Flashlight Installed.
Tuning Board Completed.
Display and Interface Board Completed.
Velocity Maximization Completed.
Final Assembly Completed.
Painting Done-For Now
The PA-4 is meant to be an evolution of the PA-III-B in terms of technology and design. It includes a boost converter, blue LED Display, user interface, as well as a timing system for the best possible efficiency for a single stage thyristor driven coilgun for the stored energy level.
STATS:
General:
Designation: PA-IV
Name: Pulse Accelerator 4
Stages: 1+Injector
Design Type: Handgun
Loading Type: Autoloader Solenoid/Magazine
Switching Type: 1200 V 160 A (2080 A pulse) SCR
Snubbing: Quad Series Connected Ultrafast Diodes
Trigger: Infra-Red Optical Sensor
Charging-12 V NiCd
Charger Type: Regulated Boost Converter
Coil Description:
Injector Coil Design:
Wire Size: 28 Gauge
Length: 30 mm
Layers: approx. 30
Primary Coil Design:
Wire Size: 20 Gauge
Length: 30 mm
Layers: 8
Encased in Laminated Steel
Capacitors:
Injector Coil-
Capacitance: 150 uF
Voltage: 400 VDC ( To 450 V)
Primary Accelerator-
Capacitance: 1100 uF
Voltage: 400 VDC ( To 450 V)
Projectile:
Projectile Material: Steel (Standardized)
Diameter: 7.94 mm (5/16 in)
Length: 30 mm (+-1 mm)
Mass: 9 g (+-.3 g)
Measured:
Exit Velocity: 33.0 m/s (108.3 ft/s)
Load Time: 7 s (Fully Charged Batteries)
Calculated:
Accelerator Stored Energy: 111 J
Kinetic Energy: 4.9 J
Weapon Efficiency: 4.4 %
Momentum: 0.30 kg*m/s
Charger Power (New Batteries): 18 W