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Gumby

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Posts posted by Gumby

  1. Yes we will, Eric... :D Actually, what you're doing is tuning the recoil spring to match your current internalization of the timing on the gun, not tuning the gun for the "right" recoil spring (ie, flattest, softest, whatever). Whenever you change something that affects how the gun moves, it will take you some time to adjust - recoil springs certainly fall into that group. There's nothing wrong with what you're doing, but you need to realize that there's a human element involved, and so you're not really adjusting what you think you are ;)

    Gumby, do a search. There have been several great discussions on this very subject. The short form is that there are a range of springs that will work well in a given gun - too heavy, and the gun flips unnecessarily and feels like it has heavy recoil. Too light, and you can run into various feeding or timing issues, and the gun again appears to flip too much and have too heavy of a recoil profile. In between, there are various tweaks to be gained - in that "working range", the heavier end of the springs will appear to shoot softer but flip more, and the lighter end will tend to slap your palm a bit more, but shoot slightly flatter.

    Realize that "flat", as an ultimate objective, is a fallacy. You want something that operates the gun reliably (first and foremost) and consistently (preferably straight up and down). After that, you're just really tuning feel.... At some point, tweaking something a little bit flatter and soaking up the extra palm slap can be useful for you, but I wouldn't make that your primary focus....

    Thanks XRe, that's exactly what I wanted to know.

    I have an XD9. I guess the slide is relatively heavy, as well as the stock recoil spring... maybe 18 or 20 pounds? It feels like the gun is always kicking my ass. I started to wonder when I noticed videos of people shooting and their guns were hardly moving. Then they would rack their slide shotgun style, palm up from underneath with two fingers, so I started wondering...

  2. With a light spring you have that the slide move backward fast but contrariwise the slide is slower to move ahead. The gun is flatter but the kick between slide and frame is more hard. So its necessary to use something to make it softer.

    At last the choise is up to you about how you prefere that the slide moves itself.

    If you were to change only one variable, using a lighter recoil spring, would that make the gun feel softer? I wonder about the kinetics of recoil. Does the longer stop of a heavy recoil feel more like a push, whereas the abrupt stop using a lighter recoil spring feel more like like a hit?

  3. Sorry if I missed in the gun spring faqs... anyone noticed any difference between light and heavy recoil springs and the way the gun feels during recoil? In particular, I'm wondering if a lighter spring results in less perceived kick during recoil (perhaps due to the transfer of energy when the slide is more centered above the above your hands or more of a gradual transfer of energy versus more energy during the impact of the slide and frame)

  4. I've got a bad back so I try to avoid the forward head posture as much as I can though out the day. But what I've noticed is that forward head postures are pretty common while shooting, including top shooters. It makes sense in that it lowers your eyes so that you don't have to raise the gun as high, and it brings your weight a bit forward.

    Random google search pictures for "IPSC pistol shooting"

    karl7a_jpg.jpg

    300px-IPSCshooter.jpg

    http://picasaweb.google.com/shahar.yanasov...661955493710226

    The forward head posture seems like the way to shoot, but it's probably worthwhile to ensure that you're not retaining this posture during the rest of the day. A chronic forward head posture can reek all sorts of havoc on your neck and spine over time. Any opinions about posture, shooting, and general spinal health?

    A PDF about shooting and posture:

    http://www.issfnews.com/media/issfnewsmag/...CoachPistol.pdf

  5. Well I got my airsoft from airsplat, but they sent me a Caspian.

    Overall it looks very similar, other than the Caspian labeling. Supposedly it weighs 0.5 lbs less that the Hi Capa. I don't know if the tight trigger pull is the same, but it's very light. Maybe a 1 lbs or so...

    Just a heads up to anyone else looking to buy from airsplat, you might want to call and check that they have to model your looking for since they've substituted models for at least two people on this thread..

    That Caspian looks nice.....wanna trade ? :cheers:

    For your WE High Capa 5.1 M Dragon... I don't think so! :P

  6. Well I got my airsoft from airsplat, but they sent me a Caspian.

    Overall it looks very similar, other than the Caspian labeling. Supposedly it weighs 0.5 lbs less that the Hi Capa. I don't know if the tight trigger pull is the same, but it's very light. Maybe a 1 lbs or so...

    Just a heads up to anyone else looking to buy from airsplat, you might want to call and check that they have to model your looking for since they've substituted models for at least two people on this thread..

  7. Looks like you might get 120 rounds per 12 g CO2 cartridge. With the increased cost of the magazine, I'm not real sure what the benefit is, other than being less smelly than propane. But if the green gas is less stinky than propane (I thought it was propane), then I'll go with that. Maybe they don't add the indicator smell to the green gas product.

    http://co2airsoft.com/products.html

    How they’re made...

  8. I'm wondering if I should try the CO2 powered mag in the event that green gas is too stinky for indoor use. Anyone know how many rounds you can get with a CO2 cartridge, and if they can be refilled (or at least recycled)?

    WE Hi Capa 5.1 CO2 Airsoft Magazine

    2 Gram CO2 Cartridge Airsoft CO2

  9. Good info here. I've been looking into getting an airsoft for quite a while now. I've had no luck getting a Western Arms SV Infinity Expert so I think I'll get one of those WE Hi Capa 5.1 gas blowbacks. But the question is, which one? Todd said he got the K model. Which one did Rocket? I see at least five versions of the hi capa 5.1:

    WE Hi Capa 5.1

    WE Hi Capa 5.1 K

    WE High Capa 5.1 M Dragon

    WE Hi Capa 5.1 Ver 4

    WE High Capa 5.1 Ver 5

    And as someone else mentioned, I think Brian should consider getting in on airsoft sales. At least if he wouldn't mind carrying extra items in his store...

  10. I have started noticing lately that after lengthy training sessions or wearing my cleats for much time, I have pain and soreness in my achilles tendons-- more one side than the other, but both are a bit sore. Has anyone else suffered this? What did you do to fix it?

    I'm sitting here with both ankles wrapped in ice right now, but I'd certainly like to hear of suggestions to alleviate the problem instead of just treating it.

    -Mike

    I can't comment on the cleat's role in the problem, but problem sounds like achilles tendonitis. Negatives (heavy load eccentric calf exercises) are reported to work well for treating the tendonitis, and from my own experience I have confirmed this.

    You can google it for more detailed info...

  11. I read in Brian's book that shooting from a rest is useful for improving accuracy... I'd like to understand how this is useful for improving accuracy. My only guess is that it eliminates variables, like movement in all parts of the body other than the trigger finger (and possibly wrist as well) which allows a shooter to focus more on sight picture and trigger control. Any insight on this?

  12. Fellas,

    I'm a Certified Athletic Trainer and have seen many injuries like this before. What you are describing is not tennis elbow as it is properly considered which is usually on the outside of the elbow. Rather this is inflammation of the biceps tendon as it inserts on the inside of the forearm. The best way to take care of this is ice, combined with a bit of rest (ie shorten your practices and try to do things that don't hurt as much) but also a lot of stretching. To stretch this muscle you'll need to hold onto a door frame (palm facing forward) at shoulder height, relax your entire shoulder and rotate your upper body gently away from the hand holding the door frame. The kind of ice therapy that works best is to take an ice cube and rub it on the affected area until it's too small to hold and then do it again. This should be about 10 minutes of ice treatment all together. If you have any questions feel free to PM me. This is what I do for a living.

    joe

    ps- I negelected to mention that stretching gently four to five times daily is ideal for the best benefit whereas one long stretching session in which you are stretching as hard as you can might actually make the arm feel worse.

    Thanks thejoe, I think that more accurately describes what my problem was. Like you said, rest, ice, and stretching seemed to clear it right up. I had the pain for about a month... all gone now.

  13. Shoots pretty accurately at ~30 feet (haven't shot it further yet). Very light though, and jams about 10% of the time... you have to shake it and rack it when it pulls up two bbs instead of just one.

    Pretty fun so far!

    I got a similar S&W:

    http://big5sportinggoods.shoplocal.com/big...6pagenumber%3d3

    Cheaper one...

    http://big5sportinggoods.shoplocal.com/big...6pagenumber%3d3

  14. I don't think you can say he 'dropped way down' with a stock gun. He won limited division that year as well, which happened to be 12th overall.

    Oh, I don't know the scoring. I figured 1st to 12th was a big drop. So he is relatively good with both an unlimited and stock gun? Relative being in comparison to the best in the world.

  15. It's pretty interesting that that training with airoft was so practical for them. It certainly lends credibility to the training, to say the least. Although it is interesting to note that his ranking dropped way down with a stock gun. Maybe the unlimited gun could closely resemble the performance of his airsoft pistol... as opposed to a stock gun?

    "That’s Tatsuya Sakai. Since he can’t have a handgun, Tatsuya spent the year training at home in Japan with an air pistol. He came over to California about a month before the match, and put in some time practicing with a real gun on the Steel Challenge ranges to good effect -- he ended up beating K.C.’s time this year by .59 seconds to become the new World Speed Shooting Champion....

    He shot the match twice, as many of the competitors did, testing themselves through the stages with two different guns. Tatsuya won the over-all Championship with what’s called an “Open” gun (fancy sights, ports, however you want to trick the gun up) and also came in twelfth with a “Limited” gun, so I think it’s safe to say that his fast shooting wasn’t pure luck!"

    http://hometown.aol.com/reddog276/BP-January-05.html

    Anyone have anymore info on these shooters?

    Tatsuya Saka

    K.C. Eusebio

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