JARACAL

Nee nog niks as ek by December vakansie nog niks kon kry nie gaan ek maar my eie ruimer maak van my doppe se dimensies .Tot dan gebruik ek maar Lee collet dies.

DD

Ek is die ene ore !

Lekker dag.

Barry

[quote="Dale SH" post_id=834042 time=1606645691 user_id=6834]
You got a long jump down to Node 5
+- 2900 fps
[/quote]

Hoeveel n560 vir node 5 2900 fps?
52 gr gee 3080 fps
As iemand n Ql voorspeling wil gee sal ek dankbaar wees .

6.5x55 AI.
LOOP 700mm
twist1-8
lapua virgin brass
H2o 62.13gr fireformed.
fireforming load 52gr N560
140gr eldm
tpl 74.38mm
3080fps av.

DD

Diesel Dog wrote: Tue May 04, 2021 7:57 pm

Dale SH wrote: Sun Nov 29, 2020 12:28 pm You got a long jump down to Node 5
+- 2900 fps

Hoeveel n560 vir node 5 2900 fps?
52 gr gee 3080 fps
As iemand n Ql voorspeling wil gee sal ek dankbaar wees .

6.5x55 AI.
LOOP 700mm
twist1-8
lapua virgin brass
H2o 62.13gr fireformed.
fireforming load 52gr N560
140gr eldm
tpl 74.38mm
3080fps av.

DD

Depending on how much your burn rate decreases from your original 61000 psi pressure, you will need 49,0 to 49.5 grains,

Thanks Dale
Going to load one at 49.5 gr, shoot it out the window and take it from there.

DD

That will give you a good indication.
Make sure the window is open

Hier slaap n haas!Die kort inleiding beroof my van dop volume.
49.5gr =3000fps sd3 5skote
48gr = 2900fps sd12 4skote

DD

Diesel Dog wrote: Wed May 05, 2021 2:55 pm Hier slaap n haas!Die kort inleiding beroof my van dop volume.
49.5gr =3000fps sd3 5skote
48gr = 2900fps sd12 4skote

DD

And how was the grouping ?

I could not see through the window it was overcast! Only shot for speed.

DD

Its an odd one.
Your burn rate has increased as your pressure dropped.
48.0 grains is on the node.

Had one of the 52gr fireforming loads left and it measured 3172fps on the magneto today 17deg Celsius. Maybe that will bring things in perspective.No I do not want to know wat the pressure was.

DD

black-sam

My previous chamber shot 54.1gr n560 for 2950fps in 24 "barrel and no turn neck tpl 79mm.

DD

That short throat and reduced case capacity is really messing with your ballistics.

Where was the pressure with the 49.5 gr loads the small SD tells me it wants to be investigated?

DD

+- 57300 psi

Thanks Dale
DD

Is my Reloder 17 in the post ?

The postman said he may not transport contraban sorry!

DD

Got some fairy dust for Christmas and loaded one at 50 grs,RL 26, tpl 74.38mm with 140gr eldm for 2955FPS.
Loaded 15 at 49.9gr and was able to hit steel out to 1120m at will.There is still plenty space in the case.

DD

Het paar 153-3gr bergers oppad ek hoop om hulle hier by 2900fps te skiet.


DD




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