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Thread: Chrono thoughts

  1. #1
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    Chrono thoughts

    I’ve got a pro chrono for use at home for past couple years. Am finding it niggly to use with lighting etc as by the time I get to shoot it’s usually late afternoon and the sun is too low to cast a shadow. Has anyone had a go at setting up their own iteration of a lighting system? I see the indoor plug in option but don’t want to run a lead from the house

    What’s the thoughts on the labradar? It looks perfect except for the price…

  2. #2
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    Lab radar is great. Use mine for pistols, black powder rifles, long range rifles. All tracked excellent.

  3. #3
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    Also use a pro chrono and it can be a frustrating finicky thing. Your never sure what is a true reading. I was thinking of heading towards the magnetospeed chronograph

  4. #4
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    I have a pro chrono and had some problems initially. These were due to it being too close to the muzzle blast. Moving it back to 5 metres from the muzzle fixed it. Then adding a correction to get true muzzle velocity
    Remember to that grey overcast days are better than full sun. Branches waiving overhead cause issues.
    Magnus and 11mms like this.

  5. #5
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    With component prices what they are, load development with a shitty chronograph is expensive if you have to do it multiple times because of "light"

  6. #6
    Member 40mm's Avatar
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    I got a thought, what ever happened to the forum chronys? Are they still doing the rounds?
    Use enough gun

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    Use coreflute board and make a lightweight lightbox for your pro chrony and install cheap LED AA lights over the sensors. Should fix the problem of variable daylight, giving constant light and low error.

  8. #8
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    Roger that Rupert. Probably a good idea, or at least until I get a labradar. Btw anyone know if they’re on sale at sika show?

  9. #9
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    Quote Originally Posted by 40mm View Post
    I got a thought, what ever happened to the forum chronys? Are they still doing the rounds?
    They are still doing the rounds
    40mm likes this.
    A big fast bullet beats a little fast bullet every time

  10. #10
    Terminator Products Kiwi Greg's Avatar
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    I can supply these when they show up in a month or so

    https://www.garmin.com/en-US/p/771164

    Looking pretty good by all accounts, RRP here for $1200
    woods223, Preacher, dannyb and 1 others like this.
    Contact me for reloading components, brass, projectiles, powder, primers, etc

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  11. #11
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    😁

  12. #12
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    Much as I like having a chrony to get idea of velocity you still have to validate drops at various ranges. So I still tend to do it the old fashioned way. Sight in @ 100m, check drops out to max intended range, compare with ballistic program and tweak inputs till everything matches. Works well enough for me but then I generally keep shots to under 500m these days and to be honest most animals I shoot are under 100m.

  13. #13
    Full of shit Ryan_Songhurst's Avatar
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    Quote Originally Posted by 7mmsaum View Post
    They are still doing the rounds
    They are also optical chronos...
    270 is a harmonic divisor number[1]
    270 is the fourth number that is divisible by its average integer divisor[2]
    270 is a practical number, by the second definition
    The sum of the coprime counts for the first 29 integers is 270
    270 is a sparsely totient number, the largest integer with 72 as its totient
    Given 6 elements, there are 270 square permutations[3]
    10! has 270 divisors
    270 is the smallest positive integer that has divisors ending by digits 1, 2, …, 9.

  14. #14
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    Quote Originally Posted by Kiwi Greg View Post
    I can supply these when they show up in a month or so

    https://www.garmin.com/en-US/p/771164

    Looking pretty good by all accounts, RRP here for $1200
    i reckon when these things touch the ground labradars will become a lot cheaper!
    Makros likes this.

  15. #15
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    If you only want the MV then get the Garmin.
    If you want to save ammo and determine BC as well then get the non bluetooth labradar. The app is meh I hear so save your cash so you can get some accessories like a sight or bag / tripod.

 

 

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