poi drop in temp

Discussion in 'Hunter (HFT) & Field Target (FT)' started by lcp, Dec 19, 2010.

  1. lcp

    lcp Member

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    Hi, NIFTA had a 52 target shoot today and at the later stages temp had dropped to -10. The ev2 and Ripley were not affected by the cold but the steyrs were. What have other shooters noticed at these tempretures?
    Congrats to Paddy for score of 47.
    Thanks
    Greg
     
  2. chrispro97

    chrispro97 New Member

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    my steyr dosnt move make sure u let the gun cool down b4 u shoot about 1/2 hour matey,then check,
     
  3. flintlock

    flintlock New Member

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    Hi,
    Checked my Ripley Ar5s over the chrono yesterday in preparation for Xmas shoot today.Results confirmed what has happening over this cold spell.
    786fps @ 18 deg.C (room temp )
    772 fps @4 deg. C
    754 fps @ 0 deg C
    This represents a drop of almost 1 Ft.Lb. To compensate I've been adding 5yds. to the ranged distances, which has worked out quite well.I have a feeling that too much grease on the hammer spring contributes to the problem.
     
  4. rich

    rich Active Member

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    Took the EV2 mark 1 out today for a few lanes in -3C and a 10mph east wind running right to left. Pellets fly a tad lower when the air temp is close to the dewpoint anyway, so I was aiming top of kill for the longest ones and they were going down.

    What was noticeable was the amount of wind drift, which was a bit more than I would have given on a warmer day, and that must be down to the denser air.
     
  5. Andy Bee

    Andy Bee L plate

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    That's good info for a novice like me Rich. I've been getting frustrated this last couple of weekends chasing the zero. I'd blamed everything from my shooting inconsistencies, springer still settling down after a rebuild and finally started to doubt the integrity of the 2nd hand scope I recently started using.

    It's always good to glean bits of information. You may of saved my sanity.
     
  6. Gibbs

    Gibbs New Member

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    My Steyr doesn't like the cold!
    I took it to the Duchy shooting ground yesterday and it was all over the place. The temp was about 1 degree.
    The chrono readings were jumping up and down (deviation of 100 fps!!!!!) and I thought I needed a new reg:(
    Today in the relative warm (11 degrees) its back to normal.:)
     
  7. Recoiling Rob

    Recoiling Rob Member

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    Hi Flintlock,

    As far as I am aware Ripleys shouldn't have any oil or grease on the Hammer as it will affect performance in the cold

    Rob
     
  8. berty177

    berty177 Judge Diva

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    Not good news

    Sorry to say it,

    That doesnt fill me with confidence for Steyrs has to be said.

    My EV2 seems fine in the cold and hasnt shifted at all...


    Berty
     
  9. sportsmatch

    sportsmatch Member

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    Thank christ for that Mark the ev2 has enough problems without that one to add to the list:rolleyes:

    Gary
     
  10. mikewills8904

    mikewills8904 walthers last the course

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    poi shift in cold

    simple way to cure this

    dont go out in the cold :eek:

    see you all in the spring
     
  11. berty177

    berty177 Judge Diva

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    Problems never

    Havnt had any issues with mine Gary, except not knowing how too clean the insides out, thank god Doz lives nearby haahaa...

    Hows your Steyr in the cold then petal???


    berty
     
  12. sportsmatch

    sportsmatch Member

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    steyrs fine hot or cold
    ev2 sold with return to sender sticker :D


    Gary
     
  13. berty177

    berty177 Judge Diva

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    Return to sender

    Ive never had that option Gary, then again never needed it haahaa...


    Berty
     
  14. chrispro97

    chrispro97 New Member

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    firing valve matey regs never go or if its a old 100 barley with old hammer its needs hammer turning town a bit to stop it sticking in the action,sounda like firing valve tho needs old type changing for new type pm me matey
     
    Last edited: Dec 20, 2010
  15. Gibbs

    Gibbs New Member

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    It is an old LG100, but it has the new hammer in it.
    What might be causing the problem is that I put a little light gun oil on the cocking lever and it might have worked it's way into the wrong place!:eek:
    You live and learn!
    I can't fault the Steyr otherwise, and wouldn't shoot anything else.
     
  16. bootneckbob

    bootneckbob Active Member

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    That doesn't sound right to me at all. I shot my Steyr in sub zero temps last weekend with no POI shift and shot a 56 x60, it was the highest score on the day by some way. Don't know if that's the cold effecting the other guys or the rifles!:)
     
  17. chrispro97

    chrispro97 New Member

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    ouch no oil sir,needs a strip kidda,if your cocking arm is stiff it means its not quite square in the action re aline it,but it needs a strip sounds like its in the hammer matey
     
  18. AndyIoW

    AndyIoW Member

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    Or around the trigger.

    Was told that when I picked up my newly serviced AR5s. Just need a day of fine weather to get the zero etc all sorted now:)
     
  19. flintlock

    flintlock New Member

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    Hi,
    Would agree with your comments as its the only logical explanation I can think of,must give Steve a call.
     
  20. cwprice

    cwprice Member

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    poi shift

    Every one seems to go on about the problem being with their rifles. Has anyone thought that it may be the scope. This could be the reason that shooters with the same rifle have different problems with the cold. Could also be that shooters that have free floated their barrels have more of a problem than those that have the barrell supported with a figure of eight. Worth trying my ideas. Have just tightened my ev2 down, shall see if that makes a difference.:)
     

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