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P a g e
2.1 Barrel
The SGP-34 is a single shot handheld gauss pistol – its core component is a high voltage
switch called a silicon controlled rectifier (SCR) which quickly discharges all the stored energy in
the capacitor into the drive coil, creating a large magnetic field. The field is designed to expand
as the projectile moves towards the center of the drive coil and contract a precise amount of
time after. The expansion and contraction of this magnetic field is precisely timed to accelerate
the 2575 armature. Projectiles longer or shorter than the standard may not fire at all or may
fire less effectively. The nominal exit velocity is between 22-32 m/s for the 2575 armature.
While its muzzle energy is comparable to most bb-guns (around 1.6 joules or 1.2 ft/lbs),
it should be treated the same way as a firearm: with the utmost respect. While the muzzle
energy is roughly the same as a bb-gun, the projectile mass is far higher. Hazards from
accidental discharge include broken bones and severe injuries – in short, never point the device
at anything you don’t want to destroy. Treat it as loaded at all times.
Some versions of the SGP-34 ship standard with an aluminum barrel and some ship
standard with a brown Garolite (polymer composite) barrel. Do not be alarmed if your barrel
appears different from the picture. All coilguns are tested and verified before shipment to
ensure they meet specs.
The drive coil of the SGP-34 may appear larger or smaller than the picture. Despite its
small size, it is mathematically optimized to deliver the most energy from the capacitor into the
projectile. Do not be concerned if the coil you receive appears smaller than the pictured
version, as the physical size of the coil is in no way correlated with the muzzle energy.
The device is powered by a low voltage (16V) battery, but this low voltage is internally
stepped up to 450V and stored in the capacitor. The SCR is capable of delivering this energy to
the coil at over 1000A. Never touch any metal parts of the gun while it is powered or shortly
after it is shut down as it takes approximately 10 seconds for the gun to fully power down, even
after the green power light has extinguished.
- Lethal shock hazard: The SGP-34 operates at 450 Volts and 1000 Amps. Never touch any
components inside the ventilation holes. Never disassemble the unit. Never touch metal
components while the unit is powered on, or within 10s of being switched off.
- Muzzle energy is sufficient to break bones, cause serious injury or even death. It goes
without saying: never point the gun at anyone or anything you do not intend to destroy.
- Never fire projectiles longer than 0.75” – firing projectiles other than Arcflash 2575
Mangetic Armatures or 0.25x0.75” steel dowel pins could result in fire or explosion.