Vihtavuori n570

[boomer79]

I have found many quick loads for Vihtavuori N570 but no one actually using the powder. I would like to know does it work and in what caliber's and what loads?

 

[DrMike]

I've done some work with VN570 and with VN170 in a 30-378 with 200 grain ABs. I obtained excellent velocities and good accuracy.

 

[Powerstroke]

Haven't used any of the N570, but use quite a bit of N140, N165, & N560 all with great results.
I'm a Viht fan, just pricey for testing.

What round are you looking at using it for?

 

[boomer79]

I just ordered a Kreiger barrel at 28 inches for a .270 wsm. I will not get it for five months but looking for powders now.

 

[FOTIS]

I have not used 570 yet but I am shooting a lot of N560. Great powder, clean and very stable.

 

[SJB358]

What's the burn rate of 570? Kinda like Retumbo or RL25? Just wondering. Never used a Viht powder. Scotty

 

[FOTIS]

http://www.hodgdon.com/burn-rate.html

A wee bit slower than retumbo!

 

[DrMike]

It is another excellent ViihtaVuori powder, as is VN170. I've used a lot of VN560 and VN550 in my 300 WSM, and I'm just beginning to use the slower powder.

 

[SJB358]

http://www.hodgdon.com/burn-rate.html

A wee bit slower than retumbo!

Wow, I wonder how it would work in the 264WM with the heavier bullets? Scotty

 

[DrMike]

I wonder how it would work in the 264WM with the heavier bullets?

Cartridge : .264 Win. Mag.
Bullet : .264, 140, Nosler AccuBond 39457
Useable Case Capaci: 74.854 grain H2O = 4.860 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N570

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 80 58.40 2523 1979 30259 12180 86.8 1.750
-18.0 82 59.86 2594 2092 32470 12637 88.5 1.704
-16.0 84 61.32 2666 2209 34857 13079 90.1 1.659
-14.0 86 62.78 2738 2330 37431 13506 91.6 1.610
-12.0 88 64.24 2810 2455 40212 13913 93.0 1.557
-10.0 90 65.70 2883 2583 43218 14300 94.2 1.504
-08.0 92 67.16 2955 2715 46471 14662 95.4 1.453
-06.0 94 68.62 3028 2851 49966 14998 96.5 1.405
-04.0 96 70.08 3101 2990 53702 15305 97.4 1.358
-02.0 98 71.54 3174 3132 57721 15582 98.2 1.313 ! Near Maximum !
+00.0 100 73.00 3247 3277 62050 15825 98.8 1.270 ! Near Maximum !
+02.0 102 74.46 3319 3425 66715 16033 99.3 1.228 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 75.92 3391 3576 71749 16203 99.7 1.188 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 77.38 3463 3728 77188 16335 99.9 1.149 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 78.84 3534 3883 83072 16426 100.0 1.111 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 80.30 3605 4040 89448 16490 100.0 1.075 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 100 73.00 3424 3645 76837 15327 100.0 1.158 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 73.00 3000 2798 48126 15280 92.1 1.417

 

[SJB358]

I wonder how it would work in the 264WM with the heavier bullets?

Cartridge : .264 Win. Mag.
Bullet : .264, 140, Nosler AccuBond 39457
Useable Case Capaci: 74.854 grain H2O = 4.860 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N570

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 80 58.40 2523 1979 30259 12180 86.8 1.750
-18.0 82 59.86 2594 2092 32470 12637 88.5 1.704
-16.0 84 61.32 2666 2209 34857 13079 90.1 1.659
-14.0 86 62.78 2738 2330 37431 13506 91.6 1.610
-12.0 88 64.24 2810 2455 40212 13913 93.0 1.557
-10.0 90 65.70 2883 2583 43218 14300 94.2 1.504
-08.0 92 67.16 2955 2715 46471 14662 95.4 1.453
-06.0 94 68.62 3028 2851 49966 14998 96.5 1.405
-04.0 96 70.08 3101 2990 53702 15305 97.4 1.358
-02.0 98 71.54 3174 3132 57721 15582 98.2 1.313 ! Near Maximum !
+00.0 100 73.00 3247 3277 62050 15825 98.8 1.270 ! Near Maximum !
+02.0 102 74.46 3319 3425 66715 16033 99.3 1.228 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 75.92 3391 3576 71749 16203 99.7 1.188 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 77.38 3463 3728 77188 16335 99.9 1.149 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 78.84 3534 3883 83072 16426 100.0 1.111 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 80.30 3605 4040 89448 16490 100.0 1.075 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 100 73.00 3424 3645 76837 15327 100.0 1.158 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 73.00 3000 2798 48126 15280 92.1 1.417

Guess which kid is going hunting for some V570? HA!... Man, that stuff looks REALLY good in the 264 Mike. I gotta try that. Now I just need to find some! Scotty

 

[FOTIS]

Expensive stuff but AWEOSOME

 

[Bruce Mc]

It's at the top of the chart for 7mm Rem Mag with a 175gr Partition. Supposed to yield over 3000 fps with 74.4 grs of powder. Looks like a sur'nuff starting spot for my elk load for next season.

 

[FOTIS]

Absolute max


Cartridge : .264 Win. Mag.
Bullet : .264, 140, Nosler PART SP 16321
Useable Case Capaci: 75.762 grain H2O = 4.919 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 64500 psi, or 444 MPa
or a maximum loading ratio or filling of 105 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

185 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
ADI AR 2218 105.0 78.1 5.06 3246 99.1 63891 18087 1.173 ! Near Maximum !
Vihtavuori N570 100.9 74.3 4.82 3212 98.6 64500 17653 1.196 ! Near Maximum !
Hodgdon Retumbo 104.6 73.4 4.76 3169 100.0 64500 15344 1.189 ! Near Maximum !
Vihtavuori N560 92.9 66.3 4.29 3148 99.9 64500 15817 1.190 ! Near Maximum !
Accurate MAGPRO 93.1 69.1 4.48 3143 99.5 64500 16056 1.199 ! Near Maximum !
Norma MRP 2 100.2 70.0 4.54 3143 100.0 64500 15685 1.206 ! Near Maximum !
Ramshot Magnum (Big Boy) 95.0 71.1 4.60 3143 100.0 64500 15447 1.193 ! Near Maximum !
PB Clermont PCL 517 95.4 71.1 4.61 3142 100.0 64500 15435 1.193 ! Near Maximum !
SNPE Vectan SP 12 95.2 71.0 4.60 3141 100.0 64500 15397 1.194 ! Near Maximum !
IMR 7828 SSC 91.8 65.9 4.27 3139 100.0 64500 15309 1.181 ! Near Maximum !
IMR 7828 97.1 65.9 4.27 3139 100.0 64500 15309 1.181 ! Near Maximum !
ADI AP 2214 96.8 70.2 4.55 3131 100.0 64500 14982 1.177 ! Near Maximum !
Norma MRP 90.9 66.3 4.29 3130 100.0 64500 15103 1.201 ! Near Maximum !
ADI AR 2213 93.1 65.7 4.26 3130 100.0 64500 15208 1.177 ! Near Maximum !
Hodgdon H1000 101.8 70.3 4.55 3129 100.0 64500 14942 1.177 ! Near Maximum !
Vihtavuori 24N41 104.1 77.4 5.02 3125 94.4 64500 16333 1.181 ! Near Maximum !
Alliant Reloder-25 98.0 68.1 4.41 3119 100.0 64500 14541 1.196 ! Near Maximum !
Bofors RP5/NP ~approximation 93.2 65.8 4.26 3116 100.0 64500 15022 1.196 ! Near Maximum !
Alliant Reloder-22 93.2 65.8 4.26 3116 100.0 64500 15022 1.196 ! Near Maximum !
Raufoss RA15 93.2 65.8 4.26 3116 100.0 64500 15022 1.196 ! Near Maximum !
Winchester WXR 95.7 66.1 4.28 3116 100.0 64500 15053 1.196 ! Near Maximum !
Hodgdon H870 105.0 75.7 4.91 3115 99.2 59946 16751 1.244 ! Near Maximum !
Alliant Reloder-50 105.0 79.3 5.14 3111 97.7 59593 17484 1.272 ! Near Maximum !
Bofors RP5 NT ~approximation 96.8 68.9 4.47 3109 99.4 64500 15252 1.176 ! Near Maximum !
Rottweil R905 94.7 65.6 4.25 3100 99.9 64500 14929 1.192 ! Near Maximum !
ADI AR 2209 90.4 62.8 4.07 3088 100.0 64500 14360 1.178 ! Near Maximum !
Alliant Reloder-19 90.9 63.5 4.11 3084 100.0 64500 14411 1.185 ! Near Maximum !
Bofors RP14 ~approximation 91.6 64.0 4.15 3079 100.0 64500 14318 1.186 ! Near Maximum !
Hodgdon H4831 SC 92.3 65.2 4.22 3075 99.8 64500 14490 1.182 ! Near Maximum !
Hodgdon H4831 96.0 65.2 4.22 3075 99.8 64500 14490 1.182 ! Near Maximum !
Vihtavuori N170 104.8 72.4 4.69 3070 97.6 64500 15251 1.204 ! Near Maximum !
Lovex D100 101.9 76.6 4.96 3052 94.9 64500 15108 1.195 ! Near Maximum !
Rottweil R904 90.4 62.2 4.03 3050 100.0 64500 13937 1.181 ! Near Maximum !
Somchem S385 91.0 64.2 4.16 3042 100.0 64500 13710 1.205 ! Near Maximum !
Vihtavuori N160 96.5 64.6 4.19 3032 100.0 64500 13696 1.185 ! Near Maximum !
Vihtavuori N165 95.9 66.2 4.29 3030 100.0 64500 13446 1.197 ! Near Maximum !
Accurate 3100 98.9 65.3 4.23 3016 100.0 64500 13250 1.224 ! Near Maximum !
IMR 4831 90.5 60.5 3.92 3015 100.0 64500 12981 1.207 ! Near Maximum !
Hodgdon Hybrid 100V 91.6 59.8 3.87 2984 100.0 64500 12296 1.201 ! Near Maximum !
Hodgdon US 869 105.0 78.1 5.06 2963 92.0 55499 15629 1.283
Hodgdon 50BMG 105.0 74.4 4.82 2960 87.9 55069 15785 1.281
SNPE Vectan SP 13 105.0 74.9 4.86 2900 95.5 51827 15100 1.336
Vihtavuori 20N29 105.0 78.9 5.11 2881 92.8 49998 15472 1.359
PB Clermont PCL 513/520/9520 105.0 74.9 4.86 2837 93.3 48563 14887 1.376
Accurate 8700 105.0 75.1 4.87 2825 94.2 46626 14864 1.384
NC A3502 ,test only 105.0 71.7 4.65 2628 71.4 41254 13013 1.444
TLP A 502(RH) ,test only 105.0 71.7 4.65 2598 74.7 39522 13072 1.485
Vihtavuori N32C Tin Star 98.8 34.4 2.23 2264 100.0 64500 5823 1.224 ! Near Maximum !
IMR TrailBoss 105.0 24.7 1.60 1904 100.0 39858 4364 1.519
ADI AS 25 BP 105.0 24.7 1.60 1904 100.0 39858 4364 1.519
V1734 7-multiperf ,test only 105.0 71.7 4.65 1865 35.5 21054 6457 1.952

 

[Powerstroke]

As Fotis stated -
I've never seen a cleaner burning powder. My .280 absolutely loves the N165.
My .300RUM likes it as well, just low on the velocity scale.

The .260 however with 130gr VLD's and N560 :lol: it's the go fast get-r-done powder.