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Just got a new toy to play with and was wondering what peoples real world experience is with shooting with one on vs not. In an ideal world id have one of those radar cronos and then it wouldnt matter.
Icould shoot over the f1 but it annoys me no end with missed shots and set up. Do people do load development with their magneto speed on? How badly does it affect group size? I dont mind if it effects POI so much.
Cheers
Rob
I work up a load I like and then test 10 rnds over time.Then I test cold barrel performance over several days.
I have shot groups with it on and it seems to group as normal but I do get a small poi shift.
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@R93 do you clean the barrel between shots over the 7 days? Do you check powder temp at all?
I just got my self the V3 nice pice of kit. I to noticed a slight shift in poi, to the left slightly.
Mine shifted POI low by about an inch, but grouping stayed about the same size as without the MS.
I found some of my barrels didn't care whether the V2 was on or not, others not so much :XD:
Both my carbon wrapped barrels don't move POI at all with it fitted.
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whats the highest velocity it can measure ?
No. Poi is the same to 200 but if clean there is around 80fps less in velocity from around fouled barrel.Quote:
Originally Posted by josh86
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Hmm havnt tried it with a clean barrel will have to give it a go,Quote:
Originally Posted by R93
My findings with the 260 rem
shot #1 2742 ft/s
#2 2759 4 mins after 1st shot
#3 2743 15mins after 2nd shot
#4 2758 4mins after 3rd shot,
#5 2745 15mins after 4th shot
Coated bullets Dave? This could make a difference having moly or boron deposits in barrel fouling? What say you?Quote:
Originally Posted by R93
Yep HBN.
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That's quite an interesting string there. None of the ballistic programs that I know of have even considered entering Barrel Temp. Just look at the repeating variation in that string!Quote:
Originally Posted by josh86
They could be letting you enter a cold MV, and then a few more at set times to establish a curve. I'm surprised that such an important constant is missing off Applied Ballistics (I know they have
powder temp which may be the same basic thing). I reckon a 'comp mode' that uses the phones bump sensor to register each shot...
So Brian Litz if you're listening, be a good chap and add that in for us :thumbsup:....
*I actually just fired that question at him. I genuinely reckon that be a good thing to add
One of my clients who really has his shit together with shooting LR & ELR, keeps a very close eye on barrel temp, amongst other things.Quote:
Originally Posted by Dead is better
Just curious, with barrel temp, projectile/powder temp, etc.... which are outside the apps calls, does your client aim for a certain value or actually 'dial' on variation?Quote:
Originally Posted by Kiwi Greg
Yea I thought it was interesting. I'm going to try this week at the range. clean cold bore shot to see what it comes back at, will also try the one shot a day over 5 days. My only concern would be consistent temp. (If it really makes a major difference?) Wouldn't mind getting a temp
sensor.