Naand manne,
Vir ‘n vriend die keer asb:
270 Win
Koeël 140gr Perigrine vrg4
Loop lengte 579mm
Dop vol 68,5 gr H2O
Kruit H4350
Tpl 84.5mm
Lading 50 gr
Spoed 2701 vps
Baie konstante spoed en goeie groepering.
Groete,
Hein
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270 140 gr Peregrine help
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HeinSavage
- Full Member
- Posts: 118
- Joined: Thu Jul 10, 2014 4:13 pm
270 140 gr Peregrine help
Last edited by HeinSavage on Mon Aug 14, 2023 5:55 pm, edited 1 time in total.
.22-250 Rem - Savage Mod 12 LPV
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
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tripodmvr
- Administrator
- Posts: 21608
- Joined: Fri Mar 11, 2011 8:31 pm
Re: 270 140 gr Peregrine help
Hier is nodeberekening vir die 50gr lading. Dit verklaar die goeie groep. Die teoretiese berekening met 50gr het gedui op 2694vps - slegs 'n klein verstelling nodig. Ek het die VRG5 gekies. Is dit korrek?
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.22 Krico, Howa 223 Varminter, 243 AI Musgrave RSA, Ruger RPR 243, P14 - 7 x 64, BSA 303 Sporter, 375 H&H Musgrave, 30-06 Ruger No. 1A, Khan O/U 12br, Norinco O/U 12br
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HeinSavage
- Full Member
- Posts: 118
- Joined: Thu Jul 10, 2014 4:13 pm
Re: 270 140 gr Peregrine help
Vrg4 oom.
Sent from my iPad using Tapatalk
Sent from my iPad using Tapatalk
.22-250 Rem - Savage Mod 12 LPV
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
-
tripodmvr
- Administrator
- Posts: 21608
- Joined: Fri Mar 11, 2011 8:31 pm
Re: 270 140 gr Peregrine help
VRG4 = VRG5 vir berekeningdoeleindes. Die gegewe inligting is dus korrek.
Nodes na bo
52,5gr = 2834vps
1/2 node 55,7gr = 2995vps = druk 64K psi. Loop katvoet as julle dit wil probeer.
Nodes na bo
52,5gr = 2834vps
1/2 node 55,7gr = 2995vps = druk 64K psi. Loop katvoet as julle dit wil probeer.
.22 Krico, Howa 223 Varminter, 243 AI Musgrave RSA, Ruger RPR 243, P14 - 7 x 64, BSA 303 Sporter, 375 H&H Musgrave, 30-06 Ruger No. 1A, Khan O/U 12br, Norinco O/U 12br
-
HeinSavage
- Full Member
- Posts: 118
- Joined: Thu Jul 10, 2014 4:13 pm
Re: 270 140 gr Peregrine help
Dankie Oom
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
.22-250 Rem - Savage Mod 12 LPV
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
7mm-08 Rem Custom
.375 H&H Mag - Win mod 70 pre-'64
450 400 3" Dubbel
