Pellet weights ( new scales)

Discussion in 'General Airgun Chat' started by RAIDER, Nov 18, 2015.

  1. RAIDER

    RAIDER Member

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    Bought a precision set of scales as the cheap one are crap. These weight
    to 0.00 grin. So brand new tin of Exact 453 here's the result of a 1/5 th of the tin.
    8.60 - 8.70 = 28
    8.50 - 8.60 = 43
    8.40 - 8.50 = 26
    8.30 - 8.40 = 3
    So if that's what 20% are.
    Jeremy

     
  2. SteveC200

    SteveC200 Active Member

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    Interesting, Ive just recently weighed a two tins of 4.53 JSBs, from different batches just out of interest rather than the norm. :rolleyes: Most were between 8.3 and 8.6gn. 20 or so were 8.2xgn and 30 were over 8.6 peaking with one pellet at 9gn. If theres a still day any time soon I'll do some groups at 50-55 with them and see what happens.
     
  3. tugg

    tugg itchy trigger finger

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    Yes that pretty much the norm from what I've seen , I only weight enough for a comp plus a few extras
     
  4. kassak

    kassak Keith

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    pellet weights

    This suprises me , as i weighed tin of exacts recentlly with the spread being. Lowest 8.17. Highest 8.72. Now i thought that was quite bad and kept all between 8.34 and 8.54 and chucked the rest.
     
    Last edited: Nov 19, 2015
  5. Tench

    Tench WHFTA World Champion 2016.

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    That is pretty much exactly what I have seen when I have weighed jsb's and I also used the middle .2gn as my selected ones. Well when I used to weigh them, I don't bother now.
     
  6. NeilM

    NeilM Well-Known Member

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    I suppose that's one way of passing the time during a cold, wet winter.
     
  7. HotShot

    HotShot Active Member

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    When you shot groups with the 8.17 pellets and compared them to the 8.72 pellet groups how did they differ?

    I am assuming by quite a lot if it drove you to throw the pellets away.

    My testing showed no real difference between light and heavy pellets. I only had to weigh 100 pellets and do the test to realise there was no point continuing

    Dave..
     
  8. rich

    rich Active Member

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    Bench rest targets give you less room for error than FT or HFT targets; makes you more picky over consistency.
     
  9. rich

    rich Active Member

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    Some years ago my club was asked to do some field trials by H&N; the most consistent pellet for weight and dimension was the plated heavyweight Barracuda, but none of us found it to be the best in actual use.

    The recent H&N FTT pellets weigh 8.6 grains or thereabouts and are beautifully made. I tried some yesterday back-to-back against Exact Express in a 20 yard bench rest comp, and the first three shots on the practice card went precisely through the same hole. Only shot number 4 made the hole egg-shaped.
     
  10. RAIDER

    RAIDER Member

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    I thought I would weigh a sample of the EXACT PREMIUM I was given, all boxed.
    I weighed 15 and they were all within .02 of each other @ 8.62 - 8.64 so there claim is .001 The scales they use must be very good but I don't think mine are that bad.
    The claim of accuracy on scales to 0.001 is not a feasible tolerance in a mass production item. That's just my opinion.
    Jeremy
     
  11. chloe

    chloe Member

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    May be wrong but

    But jsb PREMIUMS are quoted as plus or minus 0.001 in grammes from 0.547 grammes so a rounded up converted conversion would give you 8.42 to 8.45 grain. Now other people have questioned the weight range quoted but would they back their scales against jsb factory scales.Sorry if calculations are incorrect, but given in good faith i.e our take on what jsb are claiming.
    At 55 yards indoors jsb exact 8.2 to 8.6 you are looking at 2mm this is real world,do it every time we need new batch when we bother to check use works scales cheapest start at 300plus . Chloe and Alan
     
  12. Tench

    Tench WHFTA World Champion 2016.

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    Jeremy do your scales display odd numbers for the last digit? mine only have even numbers on the final digit so despite the claims are only accurate to .02gn
     
  13. RAIDER

    RAIDER Member

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    yes odd numbers as well as even. The variations were quite an eye opener.
    Jeremy
     
  14. Ceathreamhnan

    Ceathreamhnan WHFTA Champion 2013

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    In the past I have weighed a whole tin of the batch I use and they were all 8.35 to 8.55 grain, so now I believe Conor is right and shoot out of the tin :D
     
  15. MickyFinn

    MickyFinn I❤HFT

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    When I've bothered to weigh pellets I've found in the past an 8.91 & an 8.17 (from the same batch but not the same tin). I've started to used weighed pellets again & use all the ones between 8.38 to 8.58 in comps & the rest on the plinking range! :p
     

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