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How tight a seal do you guys expect from your Piston/Cylinder? Should it be "syringe" tight? Wouldn’t that offer too much friction?
Having worked on several AEG's now, I noticed that the seals were never 100%. I did test fit some better O'rings to check to see if I could tighten the fit, but I am positive that too-tight a fit will cause too much friction and backpressure that may reduce performance. My fluid dynamics education (years ago, but I am still an active engineer.. but not in my original field...) tells me that there needs to be a happy medium between too much friction and too much bypassing air. How tight a fit do you guys go for before performance degrades?
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