Master modder ZapWizard has completed work on version 3 of his home built powder coating gun. Powder coat is applied using air pressure to blow negatively charged thermoplastic particles onto a ...

The problem with the gun was related to the delivery of powder to the workpiece. The stream was either too weak to coat properly, or too heavy, delivering a thick stream of powder. [Josh] surmised ...

When the force of the powder gases pushing behind the bullet is taken into consideration, when the fact that modern rifle barrels are made of the toughest steel is considered and when the relative ...

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