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PostPosted: Wed Aug 14, 2019 5:49 pm 
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Weet julle of daar al so file is ?

Is hier dalk iemand op die forum met so file?

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PostPosted: Wed Aug 14, 2019 5:50 pm 
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Genade, jy moet n foto opsit van daardie patroon!!!!

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PostPosted: Wed Aug 14, 2019 6:03 pm 
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Gewone 338 LM links. Improved regsImage


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PostPosted: Wed Aug 14, 2019 6:06 pm 
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Ek volg maar die een...

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PostPosted: Wed Aug 14, 2019 6:20 pm 
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Smitstertjies wrote:
Weet julle of daar al so file is ?

Is hier dalk iemand op die forum met so file?


Martin watse punt gaan jy skiet?


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PostPosted: Wed Aug 14, 2019 6:26 pm 
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Ek het nie die QL file nie maar ek kan jou in n rigting sit wat jou sal help.

Image

.338 AI gelaai met Retumbo en n 285 ELD M.

Image

Daar is die roer.

Laat weet as ek op privaat kanaal kan help met die lading.

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PostPosted: Wed Aug 14, 2019 6:27 pm 
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Jan, ek en jy het al lank oor die foon gepraat hieroor, maar my gaai bly juk. Ek dink aan n 300gr Berger, 32 duim loop. Maar ek wil eers op QL rondspeel met n paar scenarios.

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PostPosted: Wed Aug 14, 2019 6:29 pm 
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Smitstertjies wrote:
Jan, ek en jy het al lank oor die foon gepraat hieroor, maar my gaai bly juk. Ek dink aan n 300gr Berger, 32 duim loop. Maar ek wil eers op QL rondspeel met n paar scenarios.


Ek stuur vir jou my drop sheet vanaf Strelok.

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PostPosted: Wed Aug 14, 2019 6:33 pm 
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Daar is wel seker ander aspekte wat geraak word, maar die hoofsaak is dat die dopvolume vergroot word. Vir tydelike gebruik kan die bestaande LM dop gewysig word (daar is so funksie in QL) en dan kan die "nuwe" 338AI so benoem word. Verander die volume en stoor dit met jou nuwe naam. Kies en gebruik dit en kyk hoe dit werk met die ladings wat jy geskiet het. Beperk aanvanklik die druk en kyk hoe vergelyk jou berekende waardes met dit wat jy kry. Jou BRF waardes behoort dalk selfs naby aan die voriges te wees.

Praat dan kyk ons wat gedoen kan word.

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PostPosted: Wed Aug 14, 2019 6:38 pm 
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Dankie Oom. Ek sal so maak. Maar in die geval wou ek met QL rondspeel eers om te kyk waar die nodes is voor ek die moeite doen om loop te vervang. Die yanks se inligting is maar skraps en ek vertrou ook nie hulle internet ladings altyd nie.....................

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PostPosted: Wed Aug 14, 2019 6:46 pm 
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Weet jy naastenby wat die nuwe dopvolume is? Ek het 32 duim loop. Watter brandmiddel?

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PostPosted: Wed Aug 14, 2019 7:08 pm 
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Groot raaiskoot aan my kant.

Attachment:
Smittie 338LM AI MRP2 Berger 300 Hybr.jpg


Lyk asof jy so 50vps + kan wen.


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PostPosted: Wed Aug 14, 2019 7:27 pm 
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Dankie Oom.

Dopkapasiteit is nader aan 125 grein. Poeiers moet ek maar mee rondspeel. Huidiglik skiet ek 300gr teen 2775fps op node en naby maks druk met die gewone LM.

Die Yanks praat van 2980fps uit n 32 duim loop en 300 greiners. Ek sukkel om QL by daai antwoord te kry as ek net dopkapasiteit meer maak.................

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PostPosted: Thu Aug 15, 2019 8:46 am 
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Smitstertjies wrote:
Dankie Oom.

Dopkapasiteit is nader aan 125 grein. Poeiers moet ek maar mee rondspeel. Huidiglik skiet ek 300gr teen 2775fps op node en naby maks druk met die gewone LM.

Die Yanks praat van 2980fps uit n 32 duim loop en 300 greiners. Ek sukkel om QL by daai antwoord te kry as ek net dopkapasiteit meer maak.................



Die yanks gebruik nie QL nie

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PostPosted: Thu Aug 15, 2019 8:56 am 
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Greg Duley

03-18-2014, 14:47

Guys, just to reiterate, we have the full Oehler Ballistic Lab including pressure testing gear, and in the 338 Lapua AI with N570 and Re33, for the same pressure you will be at least 30 fps slower with N570. Or to put it another way, if you're getting the same velocity with both, the pressure will be about 4000 to 5000psi more with N570.
In our 28" barreled 338 FXs with a conventional throat with about .150" of freebore (our version of a max capacity 338 Lapua improved), for 70,000psi which is ok with this brass in a strong custom action, we get 2975 to 2980fps with N570, and 3020fps with Re33. And at this pressure Lapua brand brass shows no brass flow or pressure signs at all, which can catch the unwary out. We actually load Remington action based rifles to 65,000psi, so a lot short of 70,000psi, and get about 2950 fps with N570 and 2980 fps with Re33 out of a 28" barrel. Your 30" barrels will obviously produce more velocity for the same pressure, probably about another 25 to 30 fps.
Hopefully that should save a bit of guessing pressure wise in your load work ups with these powders.


Hierdie kom net so van n amerikaanse forum af. Lyk my die yanks bang f.kk.l :):

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PostPosted: Thu Aug 15, 2019 9:00 am 
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Location: Ek weet nie so mooi van spel nie maar ek kan skiet. Lonehill, Sandton
Daai manne speel nie, voor hulle met ladings begin skiet hulle die koel en kruit tot waar die slot of begin vas sit of die primer blank, daar weet hulle nou wat die geweer en koel/kruit se max spoed/druk is en dan begin hulle met lading ontwikkeling.

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PostPosted: Thu Aug 15, 2019 9:01 am 
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Capt. Oblivious wrote:
Smitstertjies wrote:
Dankie Oom.

Dopkapasiteit is nader aan 125 grein. Poeiers moet ek maar mee rondspeel. Huidiglik skiet ek 300gr teen 2775fps op node en naby maks druk met die gewone LM.

Die Yanks praat van 2980fps uit n 32 duim loop en 300 greiners. Ek sukkel om QL by daai antwoord te kry as ek net dopkapasiteit meer maak.................



Die yanks gebruik nie QL nie


Ek ook nie.


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PostPosted: Thu Aug 15, 2019 12:28 pm 
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jankraay wrote:
Capt. Oblivious wrote:
Smitstertjies wrote:
Dankie Oom.

Dopkapasiteit is nader aan 125 grein. Poeiers moet ek maar mee rondspeel. Huidiglik skiet ek 300gr teen 2775fps op node en naby maks druk met die gewone LM.

Die Yanks praat van 2980fps uit n 32 duim loop en 300 greiners. Ek sukkel om QL by daai antwoord te kry as ek net dopkapasiteit meer maak.................



Die yanks gebruik nie QL nie


Ek ook nie.


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O, ek sien. Jy kyk hom met og, seg jy !!!!!

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