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 Post subject: .270 Win Node Hulp
PostPosted: Mon Jul 09, 2018 8:23 am 
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Morê Manne,

Ek probeer op node kom met my .270. As iemand my kan help sal dit baie wardeer word.

My inligting is soos volg:

Maak: FN Sauer .270 Win
Loop Lengte: 602mm
Twist: 1-11
Punt: Hornady 140gr Interlock
Dop: Norma
Dop Lengte: 64.3mm
Max Tpl: 84.4
Tpl: 82.4mm (Ek dink jump is te ver, sal dit wil nader ook maak)
H2O: 70.4gr
Primer: CCI200
Kruit: S365
Lot: 085-16
Kruit deviation: -0.6%
Lading: 51.3gr
Spoed Avg: 2720 v/ps (Het 'n Pro Digital Chrony 5m voor die loop gebruik)
Bullet Lenght: 30.95mm

By voorbaat baie dankie.

Groete
Anton


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 09, 2018 12:14 pm 
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Dagsê Anton.
Een ding op 'n slag. Kom ons kry jou eers op spoed. ;D

Met jou data lyk 53grein S365, of hy jou teen 2806 vps, op 'n node gaan plaas.

Jou bestaande druk is baie laag en alhoewel daar vinniger nodes is, sal ek eers die 53 grein probeer sodat ons QL beter kan kalibreer.

Indien jou tyd beperk is, kan jy ook met veiligheid 55.5 grein probeer vir ongeveer 2930vps op die chrony.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 09, 2018 12:34 pm 
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Baie dankie Gawie, wardeer.

Ek gaan sommer altwee ladings laai en kyk wat hulle maak. Sal dan Saterdag oggend weer gaan skiet en laat weet.

Lekker week.




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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 09, 2018 12:35 pm 
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Plesier.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Tue Jul 10, 2018 11:41 am 
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More Gawie,

Aangesien die S365 glad nie beskikbaar is op die oomlik nie en klink my nog n tyd gaan vat. Watse alternatief kan mens gebruik vir die S365 wat redelik naby aan die S365 is? Of n kruit wat beter as die S365 sal werk vir n 270.

Groete
Anton


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Tue Jul 10, 2018 2:56 pm 
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Middag Anton.
S 385 sal ook goed werk saam met die 140 greiners.
Laai 57grein S385. Spoed behoort in die omtrek van 2900 vps. te wees.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Tue Jul 10, 2018 4:47 pm 
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Regso. Hoe is die Vihtavuori N550 of N560?

Groete
Anton


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Wed Jul 11, 2018 8:47 am 
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More Gawie,

Ek het 2x blikke S365 batch 089 dev 0.1% gekry. Is my ladings reg uitgewerk? Soos jy bo gese het ek moet toets vir die 53gr nou 52.6gr en vir die 55.5gr nou 55.1? Sal spoed ook op hul meet en kyk hoe vergelyk hul.

Groete


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Wed Jul 11, 2018 9:32 am 
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nee jy sal weer moet skiet want Gawie het uitgewerk met lot85 en jy het nou lot89. die brandspoed van die lotte verskil


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Thu Jul 12, 2018 8:19 am 
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ruaanb wrote:
nee jy sal weer moet skiet want Gawie het uitgewerk met lot85 en jy het nou lot89. die brandspoed van die lotte verskil


Wil dan net verstaan, wat doen die dev faktor dan? Hoe ek verstaan is dit die dev van die brandspoed van lot tot lot. Sal weer skiet om te toets. Wil net die ladings wat Gawie my gegee het om te toets +- aanpas met nuwe lot.


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Thu Jul 12, 2018 8:26 am 
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Jy verstaan reg maar as jy dit wat op daai blik staan as gospel gaan vat dan gaan of kan jy moeilikheid optel.
Dit is beter om van voor af te begin.


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Thu Jul 12, 2018 8:38 am 
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Dagsê Anton.
Soos Ruaan sê; daai afwyking beteken absoluut niks vir QL nie.
Elke geweer en koeël kombinasie reageer verskillend mbt 'n nuwe lot kruit.
Ek sou dus net die 53 grein lading beproef sodat ons QL oordentlik kan kalibreer voor ons verder gaan. Ek weet dit is nie wat jy wil hoor nie, maar ek sal nie kanse waag nie en ek sal dit ook nie vir jou aanbeveel nie.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Thu Jul 12, 2018 10:35 am 
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Dit is regso dankie. Ek sal dan die 53gr laai met nuwe lot. Sal dan spoed weer deur gee.

Groete


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Sat Jul 14, 2018 8:39 am 
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More Gawie, lot 089 se avg spoed is 2712 met 53gr.

Het n paar patrone met die lot 85 gehad. Daar was dit baie naby aan spoed wat jy gegee het. Was 2793 met 53gr


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 16, 2018 1:25 pm 
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Dagsê Anton.

Hoe het die groepering met Lot 85 gelyk?

Met Lot 89 kan jy 55 grein laai vir 2816vps. op die chrony.
Die druk is ook relatief laag teen 45 000 psi en dus kan jy eerder kyk na 57.4 grein van die lot 89 @ 2939vps op die chrony. Druk is dan in die omgewing van 52 000 psi.
Dopvulling en verbranding is dan optimaal vir die looplengte met jou komponente.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 16, 2018 1:49 pm 
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Middag Gawie,

Baie dankie vir die help. Sal dit so probeer en laat weet.

Was oraait dankie, nie helemal gewees waar ek dit wil he nie, maar glad nie sleg nie. Is daai spoed wat op chrony moet wys of is dit muzzle spoed?

Groete


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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 16, 2018 1:57 pm 
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Dit is spoed op chronograaf.

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 Post subject: Re: .270 Win Node Hulp
PostPosted: Mon Jul 16, 2018 2:02 pm 
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Ok regso. Baie dankie


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