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Question for you HW100 fan boys

Discussion in 'Anything Airgun Related' started by Geordie, Jul 30, 2014.

  1. Geordie

    Geordie Donator

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    What's the average shot count on the above rifle in carbine version please gents?
     
  2. The Robin

    The Robin Super Moderator Staff Member Mod/Admin

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    When I had mine, carbine .177 shot count was about 50 ish
     
  3. kermitboy1

    kermitboy1 Banned

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    My one is .177, and I fill to 195 bar. I get 55 good even shots at that setting. Cheers KB1
     
  4. whitevanman574

    whitevanman574 bell target champion

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  5. Geordie

    Geordie Donator

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    Thanks chaps.

    What about an A&M cylinder? How many extra shots with one of those?
     
  6. kermitboy1

    kermitboy1 Banned

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    Not to sure, but I could never carry 55 rabbits home, after a good nights shooting. How many more shots do you want. LOL. KB1
     
  7. whitevanman574

    whitevanman574 bell target champion

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    yup you do not want to carry more than 56 , if I go out a nice 4 rabbits will do , keeps your sport alive ;)
     
  8. The Robin

    The Robin Super Moderator Staff Member Mod/Admin

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    With the A&M cylinder I had on my carbine .177 the shot count went up to just over a 100 which I was very happy with but the weight saving made it worth it alone
     
  9. Geordie

    Geordie Donator

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    I'd be happier at 70 shots pr charge.:up:
    The 1 shot 1 rabbit equation is by the by. I shoot corvids off pylons mostly and you can quickly go through shots hitting the bolts at 45 yards to determine if there is a breeze present, so I appreciate your thinking but an answer to my origanal question would be more helpful. I'm not a newbie to hunting chaps:p;)
     
  10. mattyts

    mattyts Donator

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    Surely any fill pressure would give good shots mate?
     
  11. The Robin

    The Robin Super Moderator Staff Member Mod/Admin

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    Also I remember when I got my A&M is that every rifle is different, I've read different figures on the same spec rifle. Off the top of my head figures where 70 ish up to 100 ish on the carbine .177, I must of been lucky but I did end up with removing the AT and setting power to 11.6 with h&n barracuda heavies which it loved
     
  12. Stokie99

    Stokie99 Busy Member

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    177 I get 70 shots from a standard cylinder from 200bar fill before they drop off
     
  13. engraver

    engraver Keyboard Hero

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    Still 54 shots for me with a standard cylinder or A&M.

    But I have my power set at 11.5 with an 8.4 grn pellet, I guess if I dropped the power a bit I would probably winkle 70 ish out of it but its not the amount of shots that's the priority for me I would rather the gun pokey and as near the legal limit as I dare go.

    It sure is a quality consistent 50 odd shots it puts out but I keep meaning to get a reg tester and find out what my regs set at.

    Thing is whatever its set at is what it left the factory at so I don't like upsetting the rhythm for a few more shots as my power suddenly dropped recently, one foot pound so I rebuilt the gun, only to find everything inside fine, no obvious reason for it so I wond the reg up quarter of a turn clockwise and bingo it was back to 11.5 so Im still a bit baffled by it to be honest.

    Its a balance between hammer strike and reg pressure with these which gives efficiency so Ill have another play another day.

    Anyway some guns come out simply more efficient, build thousands of guns they will all perform slightly different, so its luck of the draw, one thing for sure they don't ever seen to suffer in the accuracy department.
     
    Last edited: Jul 30, 2014
  14. engraver

    engraver Keyboard Hero

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    If you want the maximum shots per charge there are softer hammer and valve spring kits on the market, which may help.
     
  15. Stoater

    Stoater Active Member

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    My .22 HW100 KS, filled to 190 or so, gives about 60 good shots. Noticeably less accurate above 185 or below 100. The gun is 2 years old, the carbine sporter version ( not thumbhole). I have been told completely different things from different gunshops as to whether my (standard) gun's air power is regulated, which is unhelpful. At a guess, I believe it is unregulated, given the aforementioned inconsistencies at either end of it's recommended fill pressures.
    Can anyone give a definitive answer on this?
    Either way, it is a deadly tool for hunting
     
  16. engraver

    engraver Keyboard Hero

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    Yes its regulated mate, but your gun should not act odd at the top end of the charge, it should be straight into the good stuff on the chrono and the target.

    The regs design has changed a tiny bit over the evolution of the 100 and the older non quickfill may have an O ring in a different place, and the FAC reg will be slightly different.

    But like I say out of thousands produced and quite a intricate gun internally there is bound to be differences in efficiency.

    If its deadly accurate that's all the matters mate, if it aint broke and all that.
     
    Last edited: Jul 30, 2014
  17. engraver

    engraver Keyboard Hero

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    It seems a softer hammer strike and higher reg pressure may suit some guns

    Or

    A harder hammer strike and lower reg pressure.

    Personally I don't understand why when I wound my hammer in for more pre load and harder strike my guns power wouldn't change? only when the Reg was adjusted did I see changes on the chrono.

    Next thing on the adjenda for me is an adjustable hammer and Im going to go fully in and fully out and measure the chrono results, this should tell me where the optimum will be and maybe I can drop the reg pressure a bit and visa versa to establish which way suits the Hw100 for the best efficiency/power ratio on my particular rifle.
     
  18. Jonnyovy

    Jonnyovy Very Active

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    Mine had a fettle and was set up at 11.3 with jsb's and i get 5 mags full mags + around half a mag before any change over the chronograph, over the full charge i get around a 5fps max spread. So around 75 shots on a standard cylinder. I think im going to get an A&M soon so will update in the changes that makes when i get round to running a full string off.
     
  19. Steve K

    Steve K Posting Addict

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    All HW100's are regulated and the regulator is very efficient (when set properly)

    The .177 carbine as standard should give 4 magazines 56 shots, again provided that the reg and hammer are balanced properly.

    The .22 carbine as standard should give 5 + magazines 70-75 shots, again provided that the reg and hammer are balanced properly.

    I usually set the reg on a .177 at 95 BAR and adjust the hammer until the power reaches what's required, then test for consistency, very time consuming but worth the effort once completed.

    With a .22 carbine i set the reg at 90 Bar as a starting point, and this seems about the right pressure in the ones i've set up.

    My .177 is factory standard apart from the AT has been removed, i get 5 mags of perfectly regged shots from it and the power is 11.40ftlbs

    My .22 is giving 6 mags and is set at 11.45ftlbs.

    So, in answer to your question, the .177 should give 56 shots from standard and the .22 should give 70-75. I guess the .20 will be in between those figures ;)
     
  20. kermitboy1

    kermitboy1 Banned

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    When I first ran mine over the chrono it was showing 10.45. I did it again this year in May and It showed 11.49. Both times I was using Bisley magnums. As to selecting the fill pressure of 190, I just read an article once about never filling a 'pcp' to its max rated pressure. It advised to always drop short by around 10 bar. I don't recall what the reasoning was behind this, but I adopt the very same policy with my 'Daystate' also. I dare say it makes very little difference, its just something that I have stuck to.
    I cleaned the barrel for the first time, since original purchase some three years ago, so a trip over the chrono again will prove interesting. KB1
     

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