pa-iv

PA-IV

Pulse Accelerator 4

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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