Quote:
Originally Posted by yuhaoyang
a dboys spring in my custom G&P mechbox output enough eK to go through the side-bottom of a pop-can. And the dboys nozzle doesn't seal. it makes air gush out the bottom. actually, neither does the piston head. yeah... get a modify cylinder set is all I can recommend really... also the DBoys spring is really really short and very strong, which is how it achieves such high fps. Most springs are about an inch longer.
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Poor man's chrono is not really to be trusted, but can give you hints about the speed.
The airseal problem isn't due to to nozzle itself, but because the v2 hop-ups rarely provides enough pressure against the gearbox to provide good enough airseal between the nozzle and hop-up rubber sleeve.
The piston head isn't supposed to provide the airseal (between the cylinder and piston head), but the o-ring on it is. Simply getting a better o-ring for the pistonhead, or maybe an x-ring can make a huge difference.