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Henlo
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 Posted: Tue Jan 09, 2018 2:41 pm |
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Location: Alberton/Gauteng
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Middag manne ek het vandag my 6.5 Grendel gaan skiet, kan julle help en kyk wat die node spoed is
Kaliber: 6.5 Grendel
Howa mini aksie
Looplengte 508mm
Dop lengte 38,45 mm
Dop volume 36,4 gr
Punt :108 gr lapua scenar
Kruit: S321 lot 240-16 0.9% dev
Primer Cci 450
Tpl 57.3mm
Eerste lading 26gr kruit: spoed op chrony 5m weg:
2377 fps
2366 fps
2371 fps
Tweede lading 27,5 gr kruit: spoed op chrony 5m weg:
2516 fps
2542 fps
2513 fps
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Dale SH
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Posted: Tue Jan 09, 2018 3:45 pm |
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Joined: Mon Dec 02, 2013 9:02 pm
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Location: Johannesburg
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Your 27.5 grain load is on an accurate node.
How was your accuracy ?
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Henlo
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Posted: Tue Jan 09, 2018 4:21 pm |
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27.5 gr
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Henlo
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Posted: Tue Jan 09, 2018 4:22 pm |
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26 gr load
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Swede
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Posted: Tue Jan 09, 2018 6:28 pm |
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Joined: Fri Apr 20, 2012 11:56 am
Posts: 1832
Location: TUSSEN LETABA & GRAVELOTTE
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Henlo wrote: 26 gr load I think you have your answer Sent from my SM-G950F using Tapatalk
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Henlo
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Posted: Tue Jan 09, 2018 7:19 pm |
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Het nog n paar patrone van elk gelaai, sal more weer gaan skiet en kyk, ek jaag nie spoed met die grendel nie ek soek die akkuuraatste lading moontlik dink ek moet die kolf laat pak ook
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Basjan123
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Posted: Tue Jan 09, 2018 10:21 pm |
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Joined: Fri May 06, 2016 1:06 pm
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Henlo wrote: Het nog n paar patrone van elk gelaai, sal more weer gaan skiet en kyk, ek jaag nie spoed met die grendel nie ek soek die akkuuraatste lading moontlik dink ek moet die kolf laat pak ook Watter soort kolf het jou roer op? Wil jy nie sommer 'n foto ook by sit nie asb?
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Friedland
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Posted: Wed Jan 10, 2018 6:38 am |
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Basjan123 wrote: Henlo wrote: Het nog n paar patrone van elk gelaai, sal more weer gaan skiet en kyk, ek jaag nie spoed met die grendel nie ek soek die akkuuraatste lading moontlik dink ek moet die kolf laat pak ook Watter soort kolf het jou roer op? Wil jy nie sommer 'n foto ook by sit nie asb? Asb ja. My hart draai sterk na n Grendel toe, so ek hou hierdie draad dop.
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Henlo
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Posted: Wed Jan 10, 2018 7:14 am |
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More, ek het n boyds at one opgesit
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andre007
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Posted: Wed Jan 10, 2018 9:44 am |
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Joined: Tue Jul 17, 2012 12:59 pm
Posts: 1757
Location: Queenstown (Oos Kaap)
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Basjan123 wrote: Henlo wrote: Het nog n paar patrone van elk gelaai, sal more weer gaan skiet en kyk, ek jaag nie spoed met die grendel nie ek soek die akkuuraatste lading moontlik dink ek moet die kolf laat pak ook Watter soort kolf het jou roer op? Wil jy nie sommer 'n foto ook by sit nie asb? TK. Het jy wragtag nog nie genoeg redes om n Grendel te koop nie. Komaan maak n plan. Mammie kan mos nie so kwaai wees nie  _________________ "Mag ek nooit onthou word vir dit wat ek gejag het nie, maar eerder vir hoe ek gejag het."
Groete Andre007 083 491 1999 andre007@mweb.co.za
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Henlo
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Posted: Wed Jan 10, 2018 4:14 pm |
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Dale sh what is the exact speed I need to achieve?
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Basjan123
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Posted: Wed Jan 10, 2018 4:30 pm |
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Joined: Fri May 06, 2016 1:06 pm
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andre007 wrote: Basjan123 wrote: Henlo wrote: Het nog n paar patrone van elk gelaai, sal more weer gaan skiet en kyk, ek jaag nie spoed met die grendel nie ek soek die akkuuraatste lading moontlik dink ek moet die kolf laat pak ook Watter soort kolf het jou roer op? Wil jy nie sommer 'n foto ook by sit nie asb? TK. Het jy wragtag nog nie genoeg redes om n Grendel te koop nie. Komaan maak n plan. Mammie kan mos nie so kwaai wees nie Ja ja.....ek het my kans mooi afgewag met my span in Potch het ek hier deur gery na die Kooperasie toe. Die grootste frustrasie is nou die papierwerk wat gedoen moet word. Daars 1 met jou naam ook op!!! 
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Dale SH
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Posted: Wed Jan 10, 2018 4:39 pm |
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Location: Johannesburg
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Henlo.
I disregarded the 2542 fps shot from the 27.5 grain load.
I think it was this shot that flew high and disrupted what looked like it could have been a good grouping with your 27.5 grain load.
If I disregard the 2542 fps shot and use the average of 2513 and 2516fps and add 15fps for the chrony at 5 meters then as I said your 27.5 grain load is on an accurate node.
MV should be 2529fps - 15 fps on the chrony at 5 meters = 2514 fps average.
Thus my reason for saying that your figures for the 27.5 grain load are right on an accurate node.
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Henlo
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Posted: Wed Jan 10, 2018 5:36 pm |
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Thank you, I shot the 27.5gr load again today, but the extreme spread was bad, 77 fps over 10 shots, temp was almost the same as yesterday, might be S321. If I use S335 wil the node speed be the same or lower?
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Dale SH
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Posted: Wed Jan 10, 2018 6:00 pm |
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Depending on the batch of S335
Predictions are that your node speed will come down by about 25 fps ( 2500 fps average MV)
Your case fill (with the 108 Scenar and your current COL) will be almost 100%
Your percentage of powder burnt will increase substantially to almost 100%
Pressure will be almost the same at 48200 psi
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Last edited by Dale SH on Tue Jan 23, 2018 4:47 pm, edited 1 time in total.
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Henlo
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Posted: Wed Jan 10, 2018 6:03 pm |
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2700 fps? Is that a typo?
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Dale SH
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Posted: Wed Jan 10, 2018 6:10 pm |
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Yes.
My apologies.
Should be 2500 fps.
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Henlo
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Posted: Wed Jan 10, 2018 6:18 pm |
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Thank you i am goin to try S335 and see if the extreme spread is better, thank you again for your help
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Savage LRP 243 Win
SHR970 308 Win
Marlin 30-30 Win
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Dale SH
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Posted: Wed Jan 10, 2018 7:04 pm |
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No problem.
Let us know how you go.
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Brno No 2 .22LR
Tikka LSA55 .243 Win
Voere 6.5x55
Brno ZKK600 Deluxe 7x57
Ruger 77MK2 30-06
Ruger Hawkeye African 9.3x62
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Henlo
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Posted: Tue Jan 23, 2018 12:29 pm |
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Vandag besig om te skiet ek laai by die baan en skiet vir spoed, alles is dieselfde behalwe ek skiet nou S335 het 27.4 gr geskiet en spoed gekry
2491
2493
2484
op die chrony 5m weg as iemand kan kyk sal dit gaaf wees dan kan ek nou sommer skiet en kyk
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Henlo
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Posted: Tue Jan 23, 2018 2:19 pm |
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Oom tripod kom in
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Cz 416 Rigby
Howa 204 Ruger
Beretta 686 S 12GA
Winchester Sx3 12GA
Ruger 10/22 tactical .22LR
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Dale SH
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Posted: Tue Jan 23, 2018 4:41 pm |
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Henlo.
For all intents and purposes you are on a node.
Prediction is for 27.5 grains of your current batch of S 335 for MV 2512 fps - 15 fps for the chrony at 5 meters.
This batch of S 335 is burning slow in your rifle.
Start with a much lower charge if you use a different batch of S 335.
How was your grouping ?
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Henlo
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Posted: Tue Jan 23, 2018 5:42 pm |
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Thank you, accuracy was good 12mm at 100m and im happy with the spread, I just like to have it on the number
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Henlo
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Posted: Tue Jan 23, 2018 5:46 pm |
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I shot three 123gr lapua scenars today to get a speed for calibration, everything was kept the same but I loaded them with 26.3 gr S335 at the same COL and got the following speed: 2381 fps
2352 fps and an error, could you check what the node speed is on them. I am deciding between the two of them
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