Gas Pipe Sizing Calculator vs Backdraft Control

Tired of looking at charts and fumbling around in codebooks in order to size gas pipe? This pipe sizing calculator takes all of that work and hassle out of the equation by calculating it for you, based on the total BTU load, length of the longest run, and type of gas. Simply enter the values, select your gas type (LP or Natural) and hit calculate. The minimum size gas pipe needed will be outputted, so you can continue on with your day. Designed for low pressure, 0.5psi

Full Description Backdraft Control gives you complete command over your Catalyst Wireless FCU — the next generation of electronic airsoft replica control systems. Fine-tune every aspect of your setup in seconds through a modern, intuitive interface designed for speed, clarity, and reliability. Adjust dwell, delay, fire modes, and dozens of advanced parameters to match your replica’s exact performance profile. Save and load presets, monitor system behavior, and update firmware — all from your phone — without opening a single panel or touching a wire. Built for airsoft enthusiasts who demand precision and customization, Backdraft Control delivers professional-grade configurability at an affordable price. Whether you’re a competitive player or a field technician, you can now tune, optimize, and update your Catalyst FCU effortlessly — anytime, anywhere.