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Post by mongoman on Jun 26, 2007 17:53:21 GMT -5
Hey all,
I have been doing a little research, and I have discovered a couple of things regarding fps and range.
Okay, here it goes
Fps has nothing to very little to do with range, once you get an AS gun over 300 fps. My TM m733 shoots 395. My AGM Mp40 shoots 315, and my CA M15 Cqb shoots 370. They all shoot about the same distance.
I am personally getting away from upgrading guys. I am going to play with my guns stock until they break, then I will fix them, make them better, stronger, faster at that point.
I honestly don't think it matters that much. I have only played in about 30 games, and from my limited experience, I just can't see the diff.
Comments?
M
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rugia
Staff Sergeant
team task force dagger member
Posts: 256
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Post by rugia on Jun 26, 2007 18:24:35 GMT -5
i think most of the reason guns have an advantage over others distances wise is due to the quality of the hop up, the quality of the BB and how much it weighs, and Finlay how fast the BB slows down from the time it is fired. i really dont know what all slows down the BB but i know that having a good clean barrel and high polish BBS helps
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Rook
Steel City Airsoft Member
We Will Put There Name To The Test
Posts: 270
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Post by Rook on Jun 26, 2007 19:11:06 GMT -5
Rugia is right...did i just say that?...but a good adjusted hop up has alot to do with the distance a bb travels. I had my mp5k with that little bitty barrel and only about 265 fps hurling bb's as far as my 350 fps m733 because it had a great hop up that was adjusted good.
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Post by charleynovember on Jun 26, 2007 19:40:44 GMT -5
Soooo does this mean you have all seen the light? I believe a few of us tried to convey this message much to the boos and catcalls of others.
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mateba
4/20 K AAV & Steel City Airsoft
Posts: 426
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Post by mateba on Jun 26, 2007 19:49:41 GMT -5
I have heard this several times. mongo, have you tried different weights?
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Post by charleynovember on Jun 26, 2007 19:52:19 GMT -5
Yes try .2's, .23's and .25's in all three guns tell us if you get a different outcome......
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Post by mongoman on Jun 26, 2007 22:53:05 GMT -5
I am basically a .20 person, and have been considering going to a .23 in my CA m4. So, no, I have not gone up in weight.
November, I first noticed this with my TM m4. I was having a nozzle problem right after I put the m120 in it, and it was shooting 285 or so. It would shoot a mile. Then I got the nozzle problem fixed, and said, wow, it really doesn't shoot that much farther, it just gets there faster. I can't speak for anyone else, but I think the HIGHEST spring I will ever put in a gun is an m110 and add a tbore. The strain and wear and tear it puts on the gb, not to mention the endless bs of trying to keep the gun up and working is, in my humble opinion, just not worth it.
So, on a personal level, I kinda figured this out a few months ago.
M
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Post by fallout11 on Jun 27, 2007 6:25:00 GMT -5
Absolutely true. The key to this is air resistance (aka 'drag'); the faster the bb is traveling initially (due to higher fps/stronger spring), the greater the drag on the same bb (increases geometrically, i.e. the square of the velocity difference). This is also why you get worse gas mileage when driving faster, and why nascar drivers 'draft' behind other cars when they can. In short, you gain from the higher initial FPS is offset by the higher drag that same FPS produces, resulting in a marginal difference in overall range. You also get lower reliability/durability, thanks to the greater strain the components are put under, and lower battery life (more power required to crank the mechanism). Leave it stock or put in an M100/PDI 120% (compromise), and fix it only when something breaks. I've known stock TM's to last 5 years or more without so much as a hiccup, and upgraded guns to break within a few hours of use.
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Post by savoy6 on Jun 27, 2007 8:51:25 GMT -5
stock TM thompson here...6 1/2 years of regular use with a piston and a tappet plate replaced..chronoed at 295 when i got it and it chronoed at 282 the last time i was at weaver..can't tell you how many games i've been to where the table is filled with folks spending game time working on their new,upgraded guns.....that just broke,again... plus there's also the fact that most of any "advantage" in distance can be covered by just about anyone in a short rush or two...
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Post by charleynovember on Jun 27, 2007 10:25:58 GMT -5
So the key here is to leave it stock and "draft" behind someone elses bb's? That's going to be fun to watch!
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rugia
Staff Sergeant
team task force dagger member
Posts: 256
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Post by rugia on Jun 27, 2007 18:44:24 GMT -5
well the key is to have and maintain the shield of non moving air that sticks to the BB. friction causes air to stick to the BB and act like an intimidate layer between the small absense of air and the bb . having this helps out alot when it comes to fighting the effects of the drag . i really have to look up my resource to fully explain this but the way the BB is spinning seems to have an effect that lessons the pull of the vacum created by its fast movement, so that it loses less energy while in motion think of the BB as a torpedo moving through the water
*i have changed a few things so that i will make more sense*
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Tripps
Sergeant
I'm a freakin' ninja!!
Posts: 155
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Post by Tripps on Jun 27, 2007 20:42:53 GMT -5
My God, rugia...I think you made me go cross-eyed I'd comment, but I have nothing productive to add...I'd just be repeating the other guys.
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rugia
Staff Sergeant
team task force dagger member
Posts: 256
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Post by rugia on Jun 27, 2007 20:56:23 GMT -5
yeah its very confusing. when i get bored and i cant play airsoft i look up stuff and this is what i find . i think this was fully explained in an article that was comparing bbs...................... also ironically they found that the "perfect BB" brand was the best
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Post by valack on Jun 27, 2007 23:29:06 GMT -5
Think about this for a sec.Golf balls used to be solid round like BBs.They used to slice and fly alot less then they do after the golf ball got its dimples.So put dimples in a BB and you get less "Drag" and the BB will fly farther,faster,and straighter. IMHO.
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rugia
Staff Sergeant
team task force dagger member
Posts: 256
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Post by rugia on Jun 28, 2007 0:58:00 GMT -5
hmmm it would be cool if we could get some bbs like that but i know that they would not be effective b/c they would not trap air behind them while trying to leave the barrel
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