Straight from the tin...

Discussion in 'General Airgun Chat' started by RobF, Mar 14, 2011.

  1. RobF

    RobF Administrator Staff Member

    Joined:
    Mar 4, 2010
    Messages:
    12,126
    Location:
    Poole, Dorset
    Club:
    Parkstone Gun Club, South Dorset FTC, Southampton Buccaneers
    Some interesting results from two batches of mozzies... completely unscientific, but i think it shows what i've been harping on about for a while.

    The chrono tests were with just a handful, i hate chronos for putting something in my head i never saw on a range, so tend to steer away from them beyond trying to see something specific, and testing legality.

    Batch one, groups tight at 55yds, very little height variation to the point where i can't tell if it's me or not. Over the chrono, sub 2 fps deviation shot to shot.

    Batch two, noticable vertical spread at 55yds, enough to cause trouble by dropping you low in the kill, or pushing you high, enough to say it isn't me. Over the chrono 7 fps deviation. Strangely not enough by a ballistics calculator to show the spread seen.

    Tested in another gun of the same make, results apeing the above trend. Haven't weighed them, but suffice to say I am happy to shoot one from the tin without sorting & fettling if i have to, and another I'll need to see if i can get as good, or close with fettling before I'll be happy shooting them.

    Batch one is 6 years old. Batch two is 4.

    Will do some more investigation to see what else is revealed on weight and head size.
     
  2. Gibbs

    Gibbs New Member

    Joined:
    Jan 3, 2009
    Messages:
    388
    Location:
    North Cornwall
    Hi Rob,
    The Mozzies don't vary as much in weight as most pellets (5% with Mozzies , 10% with most others)
    but there is variation between batches and tins.
    I think it's to be expected that as the dies get older they produce lower quality pellets and I guess that applies to all makes.
    I noticed with the Mozzies that there are three distinct skirt finishes;
    1# Skirt is solid straight, clean and even.
    2# Skirt has a small ridge/burr/lip on the inside edge
    3# Skirt has a larger ridge/burr/lip on the inside edge
    My guess is that your 1st and best batch has no deformation and is type 1
    Type 2 are ok, type 3 groups are poor.
    I have found tins with both type 1 and 2 in the same tin.

    Atb

    Alec.
     
  3. rich

    rich Active Member

    Joined:
    Nov 8, 2008
    Messages:
    1,679
    Location:
    Shebbear, N Devon
    My best ever Mossies were a 2006 batch. None left.

    What I bought in 2008 were by comparison disappointing.

    I still have some 2009s and they are pretty good.
     
  4. chrispro97

    chrispro97 New Member

    Joined:
    Jun 10, 2009
    Messages:
    1,062
    Location:
    atherstone
    Club:
    purley chase ftc
    0500 08 the ones i shoot alot of people like jon harris and jonta used to shoot them spot but not more avaible well still got 3 sleeves for myself,but 0520 09 are very good with 0780 09 very good shoot the other batches playing about,all these pellets hav a hollow point in the back and not a flat,flat ones were terrible going up and down,still wernt bad over the chrono,less than 10fps
     

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