colinjallen

That rather depends on what you regard as a decent rate of fire. I have the same motor/gear combination in two guns. One runs on 7.4v and gives what I would regard as a decent rate of fire; the other runs on 9.9v and gives what I would regard as a rate of fire that verges on being wankerish. I only use semi and the setup gives very nice trigger response, especially on 9.9v.

Wow! You would probably do well to lay off whatever you are on; it is seriously affecting your ability to discriminate between conspiracy theories and reality.

I am just looking forward to getting out next weekend for the first time since tearing an Achilles' tendon. Today's "airsoft day" involved replacing yet another failed Gate PicoSSR.

Have you asked Zero One?

No; just let it turn itself into a RIF.

Indeed!

Shipping costs are high; however, a RIF that is 50p over the £135 minimum rather than 41p under has a delivery cost of £23.50.

You can now buy items from Gunfire with a total value of less than £135 but the system automatically adds UPS Saver shipping, which is currently £51.35.

Maybe buy a high torque motor, possibly combined with lower ratio gears. That would be a damned sight cheaper than buying a new gun. You could also maybe fit a basic mosfet.

One thing to consider is site insurance; when we had insurance, one of the conditions was: No guns that have a gun velocity of greater than 500 fps single shot (328 fps for risks situated in Northern Ireland), or 370 fps fully automatic (328 fps for risks situated in Northern Ireland) are to be used in any skirmish. Players may use their own modified guns provided that they comply with this. The Insured must chronograph the gun the first time the member plays at the site and after any modifications to ensure compliance; We talked to a number of companies before taking out insurance; that condition was common to all of them. Given that it is impossible to know if someone has modified a gun, the only way to conform to that is to chrono every gun at every game. Sites that do not chrono (hello, Ultimate Wargames) have probably invalidated their insurance, which has some interesting ramifications. As Tackle has stated, sites have a duty to ensure safety; that is why poor chrono practice and shit marshalling are unacceptable.

Yes, correct! The joy of G&G part numbers.

It is indeed what we are doing here (most of the time); my point is that it is not the job of site owners and managers. As for the +/- 10%, a true margin of error would be to just set the limit at a figure rather than a range as most sites now do. Actually, thinking about it again, the -10% is even more pointless; what does it even mean? Would it mean not allowing guns that shoot below 295? Joule creep is another subject entirely; if I can find the results of the tests that we did, I will post them and the conclusions in a new thread. However, it was a long time ago and they may not have made it onto the current laptop. Well, there is a point to that argument.

That is nice for you; I am rather amused that I get to live in your head rent free I would rather hope that players would read, think and learn; we are primarily responsible for educating ourselves. Foisting the responsibility onto sites is just laziness and a dereliction of personal responsibility. Having marshalled at a couple of sites and played at loads, I would never rely on most site owners and managers for anything; obviously there are exceptions to that. The plus side of the old 328+/-10% always baffled me; that just means that the limit is actually 361 rather than 328. Once you get your head around it, Joules are the only way forward.

If you say so; we obviously live and work in very different environments.

Oh shit! That is bad. I will try to find the data from some tests that we did a few years ago.

Sites traditionally use 0.20g as the standard; however, the law does not, it uses energy, so if they can make your full auto capable weapon shoot at over 1.3J you have a big problem.

Yes, as the law only mentions energy, if the police were so minded they could take your full auto capable airsoft gun that shoots at, for example, 1.14J when chrono'd on a 0.2g BB, load it up with the heaviest BBs that they can find and, if it now shoots at over 1.3J, you are potentially in very deep shit. The FPS figures that UKAPU give are only valid for 0.20g BBs and, as such, pretty meaningless. As far as the law is concerned, energy is the only thing that matters.

That is UKAPU's statement, not the law; what I quoted IS the law. Nuprol...

The law does not mention weight, only energy: The permitted kinetic energy level is— (a)in the case of a weapon which is capable of discharging two or more missiles successively without repeated pressure on the trigger, 1.3 joules; (b)in any other case, 2.5 joules.” Indeed; I just put it down to...humans.

A simple table showing the equivalent FPS at different BB weights for sites that have limits of 350FPS and 360FPS on a 0.20g BB; numbers are rounded down. The issue is that sites just want to get chronoing done as quickly as possible so do not want to spend time changing the BB weight setting on the chrono; in addition, most marshals that I worked with or have seen do not know how to.

They do; however, most won't because sticking some 0.20g BBs in a mag and checking the FPS is quick and easy, whereas resetting the chrono for whatever weight BBs the player is using (assuming they are telling the truth) takes time and effort. The reasonable middle ground is to still work in FPS but to have a chart which shows the site FPS limits for different weights. Same with Ultimate Wargames, who I never saw chrono any weapon. On one occasion I asked to use the site chrono to check my pistol; they did not have one. This is also the site where, between games, they placed all weapons on the ground and then took off eye pro in the playing area. That was great until late arriving players suddenly appeared, weapons in hand and safeties off. Add to that allowing a player to walk around in the safe zone with a TM Scorpion slung over his shoulder with the mag in even after it was pointed out to them.

Because the quoted FPS limit is with a 0.20g BB. Your site's limit is 1.14j, which is equivalent to 350 FPS on a 0.20g BB or 313 FPS on a 0.25g BB. As kinetic energy = 0.5 x mass x velocity x velocity, a heavier BB will have more energy at the same speed as a lighter BB. Your upgrades have probably improved the air seal, resulting in an energy increase. Raining horses? That is heavy rain. I am just frequently amazed at how little many airsofters seem to know about what most would regard as the basics.

I am utterly staggered that you are baffled by this. Do you really expect that a 0.25g BB travelling at 320fps would have the same energy as a 0.20g BB travelling at the same velocity? Where sites specify an FPS limit, they nearly always refer to the FPS on 0.20g BBs. As to how you can remedy it, fit a less powerful spring.

What power is the spring? What motor is it? Maybe open it up and check the shimming; if that is ok, reassemble it without the piston, spring and ARL and try running it with the motor. I do wonder whether Shamal has sussed it; it does sound like it could be reversed polarity.

It is the same hop as they use in their Scar-L: https://www.titano-store.com/en/c/airsoft-c28617/rifles-internal-spare-parts-c28847/hop-up-c28962/hop-up-chamber-scar-l-classic-army-p433m-p909683