About Puffin

Basic Information


About Puffin
Location:
Porirua
Interests:
HVNZDA range
Occupation:
Electronics engineer

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Total Posts
Total Posts
1,040
Posts Per Day
0.22
General Information
Last Activity
Today 12:55 AM
Join Date
11-05-2012
Referrals
2

2 Friends

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    2post
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1281 Likes

  1. Puffin
    Puffin liked post by Bagheera On thread : A novel approach to Load Development
    I think this approach acknowledges that even a single 5 shot group has quite a variable size and limited predictive value for the long term average size for a given load. Rather than firing 5 x 5...
    Liked On: 16-08-2018, 03:37 PM
  2. Puffin
    Puffin liked post by Bagheera On thread : Assessing resulting vertical spread from ES (or SD) for your load at distance
    Here is Brian Litz's book where he looks into the relative contribution of several uncertainties like wind, MV variation and rifle/shooter grouping capability. 92940 He looks at several...
    Liked On: 13-08-2018, 11:30 PM
  3. Puffin
    Puffin liked post by Bagheera On thread : First fail - 6.5mm 143gr ELD-X
    Hi Flyblown, This is an excellent professional quality improvement activity. Are you working on a mangement course ? Peer review is great. You never quite know who you're dealing with on the...
    Liked On: 08-08-2018, 06:10 PM
  4. Puffin
    Puffin liked post by Flyblown On thread : First fail - 6.5mm 143gr ELD-X
    Nah. We debated that at the time, that's what I wanted to believe! But the manner of the instant pole-axed drop, the time it stayed down, the offside wound and constant licking at it, the slow...
    Liked On: 08-08-2018, 06:01 PM
  5. Puffin
    Puffin liked post by rusl On thread : Assessing resulting vertical spread from ES (or SD) for your load at distance
    This is a good idea, I hadn't considered looking at it like this, I ushally just measure groups and worked off that. Just played around with a online calculator ShootersCalculator.com | Ballistic...
    Liked On: 08-08-2018, 09:01 AM
  6. Puffin
    Puffin liked post by Bagheera On thread : Assessing resulting vertical spread from ES (or SD) for your load at distance
    Hi puffin, I really hadn't thought about this but it is true ! A better way to explore it would be to model a horizontal launch by setting the sight height to approx your own and specify a "zero...
    Liked On: 08-08-2018, 08:59 AM
  7. Puffin
    Puffin liked post by GWH On thread : Type S Bushing dies
    Yeah the Type S i've recently got is the FL bushing on the neck. I never replaced a Competition set with it (as this is for a new cartridge for me). Based on my experiences with my 3 die...
    Liked On: 30-07-2018, 06:30 PM
  8. Puffin
    Puffin liked post by Walker On thread : Chamber Reamers: Straight Neck or Tapered Neck
    6 ten thousands of an inch isn't much of a taper but as it's a high pressure case it will be to stop possible seperation of neck to shoulder junction by allowing body thickness brass to protrude into...
    Liked On: 28-07-2018, 08:08 PM
  9. Puffin
    Puffin liked post by veitnamcam On thread : Interesting stats here....so the 270 can kill deer...
    257 less available and perhaps more of a reloaders bore resulting in those useing said bore shooting more and being better shots? Sent from my SM-A320Y using Tapatalk
    Liked On: 17-07-2018, 01:42 PM
  10. Puffin
    Puffin liked post by sneeze On thread : Interesting stats here....so the 270 can kill deer...
    They only gave caliber not cartridge so maybe 257 roberts, 250 savage or maybe even 257 weatherby :yaeh am not durnk:
    Liked On: 16-07-2018, 09:41 AM
  11. Puffin
    Puffin liked post by Tahr On thread : Interesting stats here....so the 270 can kill deer...
    84 deer travelled an average of 31 yards after being shot with a .270 SCDNR - Wildlife Information (http://www.dnr.sc.gov/wildlife/deer/articlegad.html)
    Liked On: 16-07-2018, 09:40 AM
  12. Puffin
    Puffin liked post by stug On thread : Salt Bath Annealing
    This site has the mixture ratio for different temperatures Salt bath heat treatment [SubsTech] (http://www.substech.com/dokuwiki/doku.php?id=salt_bath_heat_treatment)
    Liked On: 06-07-2018, 09:13 AM
  13. Puffin
    Puffin liked post by Beavis On thread : Salt Bath Annealing
    Just got my kit together. Will be interesting to see how it goes. 90534
    Liked On: 06-07-2018, 09:10 AM
  14. Puffin
    Puffin liked post by johnino On thread : Homemade Custom Turret - Dial 'em in quick!
    I followed the lesson in the Long Range dvd of Norway to make my dropchart and then make the turret so you can just dial up distance instead of having to always look on your chart....
    Liked On: 30-06-2018, 10:01 AM
  15. Puffin
    Puffin liked post by kiwijames On thread : Show us your Fishing gear
    New toy. After selling my reel to terryf I needed a replacement. Orvis Hydros SL IV and spare spool. Danny keen for a Rerewhakatu mission?...
    Liked On: 29-06-2018, 03:05 PM

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