About grandpamac

Basic Information


Age
75
About grandpamac
Location:
Okawa Hawkes Bay
Interests:
Hunting, handloading and outdoor.
Occupation:
Retired

Statistics


Total Posts
Total Posts
3,172
Posts Per Day
1.63
General Information
Last Activity
Today 06:32 AM
Join Date
06-12-2019
Referrals
0

5 Friends

  1. bumblefoot bumblefoot is offline

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    bumblefoot
  2. Kiwi Sapper Kiwi Sapper is offline

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    Kiwi Sapper
  3. Micky Duck Micky Duck is offline

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    Micky Duck
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Showing Friends 1 to 5 of 5

4715 Likes

  1. paremata
    paremata liked post by grandpamac On thread : 25 Cal these days
    Greetings all, Mere mention of a wildcat .25 calibre rifle and my brain was off to the races. Next minute I am surrounded by books all open at different pages where something of interest resides. In...
    Liked On: 03-02-2025, 09:24 PM
  2. Dan88
    Dan88 liked post by grandpamac On thread : A Wander Through my Data for the .308.
    Greetings, As my handloading for the .308 approaches 50 years I thought it might be interesting to have a look at some of the data. First loads used AR2201 left over from my .303 loads and 180 grain...
    Liked On: 02-02-2025, 12:48 PM
  3. 308
    308 liked post by grandpamac On thread : A Wander Through my Data for the .308.
    Greetings, As my handloading for the .308 approaches 50 years I thought it might be interesting to have a look at some of the data. First loads used AR2201 left over from my .303 loads and 180 grain...
    Liked On: 01-02-2025, 08:18 PM
  4. RugerM77
    RugerM77 liked post by grandpamac On thread : Reloading 284 Winchester for a BLR
    Hodgdon and ADI have data. AR2209 is H4350. Getting max loads in will be a challenge and I would stay away from them. GPM.
    Liked On: 01-02-2025, 08:02 PM
  5. Percy
    Percy liked post by grandpamac On thread : A Wander Through my Data for the .308.
    Greetings, As my handloading for the .308 approaches 50 years I thought it might be interesting to have a look at some of the data. First loads used AR2201 left over from my .303 loads and 180 grain...
    Liked On: 01-02-2025, 06:00 PM
  6. 6mm ackley
    6mm ackley liked post by grandpamac On thread : A Wander Through my Data for the .308.
    Greetings, As my handloading for the .308 approaches 50 years I thought it might be interesting to have a look at some of the data. First loads used AR2201 left over from my .303 loads and 180 grain...
    Liked On: 01-02-2025, 05:26 PM
  7. whanahuia
    whanahuia liked post by grandpamac On thread : A Wander Through my Data for the .308.
    Greetings, As my handloading for the .308 approaches 50 years I thought it might be interesting to have a look at some of the data. First loads used AR2201 left over from my .303 loads and 180 grain...
    Liked On: 01-02-2025, 05:23 PM
  8. Muttonguts
    Muttonguts liked post by grandpamac On thread : Artificial Intelligence
    Greetings all, There has been a lot of blather about artificial intelligence of late. In my early teens I developed an interest in science fiction and got all manner of books out of the Napier...
    Liked On: 28-01-2025, 10:01 PM
  9. bjp
    bjp liked post by grandpamac On thread : Creating a drop chart for a ballistic reticle
    Greetings, Or you could just measure it. With your rifle in a vice and carefully trained on a mark you can fix a tape to the target and read of the drops. Simple. No opinions or guesses. GPM.
    Liked On: 28-01-2025, 02:22 PM
  10. witchcraft
    witchcraft liked post by grandpamac On thread : Creating a drop chart for a ballistic reticle
    Greetings, Or you could just measure it. With your rifle in a vice and carefully trained on a mark you can fix a tape to the target and read of the drops. Simple. No opinions or guesses. GPM.
    Liked On: 28-01-2025, 02:16 PM
  11. ZQLewis
    ZQLewis liked post by grandpamac On thread : 7mm08 168vld data
    The difference from loading to a longer length and increasing the powder charge to fill the space is very small as is the extra velocity from improved cases. There is a method for calculating this so...
    Liked On: 24-01-2025, 06:50 PM
  12. SPEARONZ
    SPEARONZ liked post by grandpamac On thread : 7mm08 168vld data
    The difference from loading to a longer length and increasing the powder charge to fill the space is very small as is the extra velocity from improved cases. There is a method for calculating this so...
    Liked On: 23-01-2025, 11:21 AM
  13. Micky Duck
    Micky Duck liked post by grandpamac On thread : Artificial Intelligence
    1984 described humans being deliberately bred with low IQ for menial work while the Alpha's enjoyed the perks. I can't remember when that was written but it does not take much effort to see in our...
    Liked On: 22-01-2025, 07:23 PM
  14. SPEARONZ
    SPEARONZ liked post by grandpamac On thread : 7mm08 168vld data
    Greetings again, Just some notes on measurement of case head expansion to guess pressure. I first saw this mentioned in an article by Bob Hagel in the mid 1980's. The idea is that by measuring the...
    Liked On: 22-01-2025, 07:23 PM
  15. SPEARONZ
    SPEARONZ liked post by grandpamac On thread : 7mm08 168vld data
    Greetings SPEARONZ, I have to agree with Puffin In that your loads are dangerously over pressure. You are 2.5 grains over the Hodgdon book max of 40 grains for the similar Sierra 168 grain HPTBT...
    Liked On: 22-01-2025, 09:33 AM

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