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The airsoft electronic gun (AEG) is really not a very complicated device. It basically pushes the BB out of the muzzle with a puff of air. How fast the AEG shoots depends on the strength of the air puff. The biggest culprit of FPS loss on an AEG is air leak, which weakens the puff of air. Here are some potential areas for air leaks and how to test for leak.
- Hop-Up Bucking and Gearbox Nozzle: During the firing of the AEG, the BB feeder hole is sealed by the gearbox nozzle. Test for air leak here with an assembled gun. Place a piece of paper over the BB feeding tube. Dry fire the gun. The paper should not move. If it moves, then you have an air leak between the gearbox nozzle and the hop-up bucking.
- Inner Barrel and Hop-Up Unit: The inner barrel and the hop-up unit is considered as one unit once it is assembled. There are three holes in this system: 1) The end of the inner barrel; 2) The BB feeding tube; and 3) The end of the hop-up unit. With two of these three hole sealed with your finger, try blowing through the remaining hole. You should feel a lot of resistance. If you don't, there is an air leak somewhere.
- Inside the Gearbox: The biggest culprit is generally piston o-ring. That o-ring wears with every round fired. It needs to be replace more often than not. But before doing so, determine the location of the leak. Be sure the cylinder head is snug in the cylinder. Seal the cylinder head nozzle with your finger. Push the piston with the o-ring into the cylinder. You should not be able to push the piston into the cylinder pass the open port. If you do, you have a leak.
That's pretty much it. Only three major areas of air leaks in an AEG. If you can think of another, post it below.
Jake
Wed, 13 Nov 2013 03:09:54 +0300
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