Internals: High strength steel bushings w/ aluminum cylinder Receiver/body: Full metal, laser engraved & serialized Muzzle Velocity: Was 330fps now 280 FPS with 0.20g seamless BBs X1 laser/flashlight combo with batteries and adhesive push buttonĮlectric automatic safe mode/semi-auto mode/full auto mode.Just needs an experienced airsofters attention to upgrade/ fix a few parts, nothing major. Dust cover clip is broken hence why in pictures its open, needs replaced. Battery cable was slightly loose so has been taped is solid now. Was shooting 380fps now shooting 280fps so unsure whats wrong, possibly piston seal? All was put back together correctly, no missing parts etc. I stripped down to install a better spring but failed as I'm not too experienced with these models. Minor wear and tear to gun, been used in 4 skirmishes only. I've Had this for about a year, i have drilled, tapped and installed x4 heavy steel grubscrews through Rail to better stabilise the gun barel in skirmishes and matches (no damage, to barrel shape etc) Contact your game organizers for FPS limit, rules and regulations.This is the SR4 TTC Zombie Hunter LIMITED EDITION AEG pro airsoft gun. It has a pre-installed RAS rail system so upgrades and add-ons are equipped/unequipped with ease. Use this as a theoretical guideline and not as an exact science nor the standard for all airsoft games. Now I am not a physics or mathematics expert and these are just theoretical numbers. These numbers were derived from using the above formula. We have formulated a table that shows you the kinetic energy (Joules) in relation to your airsoft gun's velocity (FPS/MPS). 3048 meters per second) ^2 is equal to 0.999488 or 1 Joule. 20 gram bb is moving at 328 feet per second [.5 * (.20 grams / 1000 kilograms) x (328 feet per second x. KE ( in Joules) = 0.5 ( a half) x the mass of the something (in kg) x the speed squared (in Meters/Second)Īs an example for the above formula a. To calculate kinetic energy (in Joules) we used this formula: Hence once the BB hit your target, 1.34 Joules will be transfered to the target. There's a big difference in FPS but the kinetic energy it carries on flight will be the same, 1.34 Joules, regardless of what BB weight you use. 25g BB your gun will be shooting 340 FPS. This means that if your airsoft gun is shooting 380 FPS with a. Given everything the same in your airsoft gun (compression, spring, barrel length, etc), FPS is relative to the BB weight you are using but the kinetic energy it produces is always the same. Joules is the derived International System unit of kinetic energy. While it is true, the more important measure to look at is how much kinetic energy the BB has while it was leaving the airsoft gun's barrel. 28, and so on, because their FPS is lower with those types of BB weight. Some players try to stay away from heavier BBs like. 3048 MPS.Ī lot of airsoft players are very particular about the FPS of their BBs. Some countries using Metric System uses MPS which stands for Meters Per Second while other countries like here in the United States we use FPS which stands for Feet Per Second (English System) and as a rule of thumb 1 FPS =. FPS is the abbreviation for Feet Per Second, it is a measure of velocity to gauge the speed of BBs as it leaves the barrel of your airsoft gun or in real steel lingo "muzzle velocity".
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