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matt_hooks

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Everything posted by matt_hooks

  1. matt_hooks
    I never thought I'd say this, but this article in The Mail is interesting! http://www.dailymail.co.uk/sciencetech/article-2095549/Right-wingers-intelligent-left-wingers-says-controversial-study--conservative-politics-lead-people-racist.html
  2. matt_hooks
    I'm still working on a load to get really good groups. It'll do 2" at 100 yards with factory, plenty for shooting deer.
  3. matt_hooks
    You were led to believe incorrectly. A re-proof is only necessary if something is done that could potentially significantly weaken a pressure bearing part. This is down to the proof houses. People forget that they are businesses, and make money from proofing. Their marketing is sometimes a little inventive. The letters they have sent to many RFD's (who take them at face value) are quite misleading. The gun barrel proof act 1868 is the relevant piece of legislation, and in particular section 111 (linked to) The act states that:- Now removing a couple of inches from t
  4. matt_hooks
    That's ok, I was out the other day and shot three reds and a fallow. I've not shot any rabbits recently but that's mainly because I've been shooting bigger stuff. I can, and do, do the going out and shooting stuff bit. Don't see why I shouldn't enjoy the theory too. I don't understand the reverse snobbery, or celebrating ignorance!
  5. matt_hooks
    I've just plugged the data in to chairgun pro, and the .22LR 40 grain, running at 1050 fps and a BC of .130 drifts by 1.4" at 75 yards. The .17, running 17 grain at 2505fps drifts .6" at 75 yards.
  6. matt_hooks
    2.2" at 75 yards, if you read the data carefully.
  7. matt_hooks
    Private sales of off-ticket air guns you are still allowed to post. Use RM special delivery, and wrap the rifle well in a rectangular box so it doesn't look like a firearm. Helps protect it, and makes it less likely to go walkies. You'll need to take it in to a post office anyway.
  8. matt_hooks
    There is a one way valve in the gun. You need to release the line pressure (200 odd bar) to safely remove the hose. If you try to pull it without releasing the pressure then you risk the end of the hose whipping around and doing some serious damage (not to mention O-ring damage!)
  9. matt_hooks
    Mod was a second hand PES T12, cost £150 and it works very well. It's not exactly light but actually balances the rifle nicely.
  10. matt_hooks
    £60 for the shortening and threading. That's without proof, because my interpretation of the law is that it doesn't need re-proofing for a thread cutting/shortening, as it doesn't "significantly reduce the strength of a pressure bearing part"
  11. matt_hooks

    swaps

    matt_hooks replied to presty's topic in Miscellaneous

    Get it tested, it's not much money. If you get the test then you will get a few quid for it. No test and you'll have to pay someone to take it away!
  12. matt_hooks
    As you're not likely to shoot deer with them, no matter what it says on your cert, what's the problem? I'm supposing your .22LR RIFLE isn't conditioned for deer (as that would be very illegal due to the minimum calibre and energy levels set out in the Deer Act).
  13. matt_hooks
    That's nonsensical, and completely irrelevant to the debate. The .308 covers the same distance in a much shorter time (even than the .17), so of course it will deflect less given the same BC. The .17 has a far worse BC than the .308, and the LR, so it's a bad example. Put up the figures your program gives you for a 17gr .17, running a BC of about .123 and see what we get!
  14. matt_hooks
    I was about to say "I have a rifle exactly the same as this". Then I looked at the date and seller and realised that it IS the same rifle, because I bought it. It now sports a slightly shortened, threaded barrel with a PES 12 mod, and has accounted for reds, fallow, muntjac, foxes and sika. Good bit of thread resurrection!
  15. matt_hooks

    nppc

    matt_hooks replied to big shot's topic in General Talk

    The National Pork Producers Council?
  16. matt_hooks
    What was your sentence? If you served 7 weeks, then I'd assume you were probably sentenced to 14 weeks, which is more than the three months and so you are a "prohibited person" and are not allowed to have in your possession, or to use, any firearm for five years from the date of your release.
  17. matt_hooks
    Great link!
  18. matt_hooks
    Usually 1 inch high at 100 yards gives a decent point blank range. A lot will depend on your round, how fast it shoots, what the BC of the bullet is etc.
  19. matt_hooks
    A very experienced shotgun coach I know removes them whenever someone turns up with one on their gun. The last thing you should be looking at is a bead on the end of your barrels, in fact some of the best shots I know remove the bead as a matter of course.
  20. matt_hooks
    Paulus, I can't see properly, does your cert have two note 5's? TVP have a big red stamp with "you are reminded that disposal of a firearm does not authorise the acquisition of another" (or something similar)
  21. matt_hooks
    The outside of the lamp is cold, but the internals are seriously hot, and this makes them very fragile. For bunny bashing with a gun, I'd say the major stumbling block is the warm up time. If I'm lamping for rabbits I need instant full power, not a few seconds warm up.
  22. matt_hooks
    It is about temperature, but the temperature tends to decrease as altitude increases, so it's linked to altitude. 1000 feet should give a difference of about three degrees, so a change of about 5.4 fps (i.e. nowhere near enough to make a noticeable difference)
  23. matt_hooks
    The conditions under title 5 refer to the firearms. Those under number 6 refer to the ammunition, specifically the (section five) expanding ammunition.
  24. matt_hooks
    Transonic is not "0.8 to 1.2" Mach. It has no fixed meaning. Transonic flow around a body is defined as the range of speeds where air flow is a mixture of subsonic and supersonic. A well designed aerofoil (or bullet) might only be "transonic" between .95 and 1.05 Mach. As for the one degree difference in temperature, the standard atmospheric model has a (dry, adiabatic) lapse rate of 3 degrees © per 1000 feet. So your 1 degree drop in temp equates to about 333 feet. As it relates to the speed of sound, a 20 degree difference (between 0 degrees C and 20 degrees C) equates to a difference of
  25. matt_hooks
    McGin, you are a prize pillock. Read my post. How did I describe transonic flow?
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