Hulp met 260 Rem asseblief

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Rinkhals
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Hulp met 260 Rem asseblief

Post by Rinkhals »

Dagsê,

Ek sal dit baie waardeer as iemand my kan help met 'n nodespoed vir my a Tikka 260 rem asseblief.
Die inligting is:

Kaliber: 260 Rem
Looplengte: 600mm/23,75"
Twist:1 in 8
Dopkapasiteit: Norma 55,3gr
Kruit: S365 lot 069
Primer: remington 9,5 large rifle primer
Punt/koeel: 129gr sst hornady
Tpl: 71.6mm (magasyn beperk)
Spoed: 40,5gr lewer gemiddeld 2790ft/sek

Baie dankie by voorbaat, ek sal ook 'n Spoed vir 140gr Amax wil kry, ek het ongelukkig nog nie 'n spoedlesing vir hulle nie

Groete
rinkhals
Last edited by Rinkhals on Mon Jun 09, 2014 11:12 am, edited 2 times in total.
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Fritz
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Re: Hulp met 260 Rem asseblief

Post by Fritz »

Ek het ongelukkig nie QL by my nie, maar jy kan gerus werk na 2750fps met die 140greiners. Paar ouens skiet daar met die Tikka 260's, give or take 30fps
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Rinkhals
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Re: Hulp met 260 Rem asseblief

Post by Rinkhals »

Dankie Fritz,

Sal die 140's toets rondom daai spoed
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Rinkhals
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Re: Hulp met 260 Rem asseblief

Post by Rinkhals »

Ek sal bly wees as iemand kan help met die 129 greiners ook

Groete
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Re: Hulp met 260 Rem asseblief

Post by Silent Hunting »

Braam,

Jy is op 'n node met daardie spoed as ek hom reg kyk op QL. Speel net met TPL.

Henk
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Rinkhals
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Re: Hulp met 260 Rem asseblief

Post by Rinkhals »

Dankie Henk
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Andrew Leigh
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Re: Hulp met 260 Rem asseblief

Post by Andrew Leigh »

You are off Node 5, your current barrel time is 1.233ms and Node 5 for your barrel needs to be 1.216ms.

To get back on Node 5 load 40.9gr. to give a MV of 2 821fps (about 2 813fps at the chrony) and a pressure of 54 964psi.

For you 140gr. Amax load 40.7gr to keep you on Node 5. You should get a MV of 2 762fps (about 2 754fps at the chrony) and a pressure of 60 102ps which is at MAX.

If you want to move to Node 6 on the Amax then you can try 38.8gr. and you should get a MV of 2 660fps (2 652fps at the chrony) and a safer pressure of 52 101psi.
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Rinkhals
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Re: Hulp met 260 Rem asseblief

Post by Rinkhals »

Baie dankie Andrew dit gaan baie help, sal laat weet hoe dit werk.

Groete
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