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  1. BryanLitz

    Range Report New Applied Ballistics website

    Currently the Kestrel software utility downloads (upgrade and profile manager software) are available where AB Kestrel units are sold, here for example: Kestrel With Applied Ballistics (go under 'whats inside'). It might be a good idea to put these downloads with the web calculator as well...
  2. BryanLitz

    Range Report New Applied Ballistics website

    Fixed, Thank you.
  3. BryanLitz

    Range Report New Applied Ballistics website

    Announcing the new Applied Ballistics Website The ballistics utility page allows you to run Weapon Employment Zone (WEZ) analysis to calculate your hit percentage for your rifle under various uncertainty environments. You can also save off profiles for transferring to the Applied Ballistics...
  4. BryanLitz

    Range Report Applied Ballistics Kestrel; Pro staff support thread

    Announcing another support item for the Kestrel AB: Using the new Applied Ballistics online calculator you can create and save profiles for transfer to your AB Kestrel. This allows you to run and view your ballistics online, then when you're sure everything's right, send the profile to the...
  5. BryanLitz

    G1 or G7?

    BINGO! The solver is a blank slate without data. What's more (to the point of cloud storage of custom drag models) the data has to be compatible with the software. Publishing a library of custom drag models only works when everyone's using the same solver. You couldn't expect good...
  6. BryanLitz

    G1 or G7?

    I agree with you about custom curves having the highest potential to provide the most accurate drag modeling (not forgetting the caveat that G7 and even G1 BC's can be perfectly useful over supersonic range) Here's how I view custom curves and tools for using them. Suppose a programmer...
  7. BryanLitz

    G1 or G7?

    I'm not exactly sure what your question is, but if you're saying that: "highly accurate trajectory predictions are wasted if you can't shoot well", then I agree with the statement, but not as an argument to deliberately choose less accurate prediction methods. Using the same logic, you could...
  8. BryanLitz

    G1 or G7?

    The reason why there's so much controversy over the G1/G7 issue is because over the supersonic ranges most shoot, the error in G1 is minor. That doesn't make G1 'right', it's just not 'wrong enough' to manifest in a miss over short range. Thinking about your choice of drag model is similar...
  9. BryanLitz

    Range Report Applied Ballistics Kestrel; Pro staff support thread

    264Charlie, One thing you can do is zero out the aerodynamic jump at your zero range using the zero height input. So if the Kestrel is calling for 0.05 MIL elevation at your zero range, you can offset that with a zero height of 0.17" (for example). You would have to be careful to get the...
  10. BryanLitz

    Bummer about Kestrel-Applied Ballistics

    I appreciate the confidence John. On that note, please direct all future Applied Ballistics Kestrel support questions to this thread in which the new software release is announced...
  11. BryanLitz

    Range Report Applied Ballistics Kestrel; Pro staff support thread

    This thread is intended to provide direct support to users of the Applied Ballistics Kestrel units, from the Applied Ballistics and Kestrel staff. <font size="4">Meet the team</font> I'll start by introducing Nick Vitalbo. Nick's is the programmer who integrated the AB solver into the...
  12. BryanLitz

    Bummer about Kestrel-Applied Ballistics

    What you're seeing is the effect of aerodynamic jump. It's the vertical deflection of a pure crosswind. It's small, but real. -Bryan
  13. BryanLitz

    Bummer about Kestrel-Applied Ballistics

    By popular request, This feature has been added to the AB software. There is a procedure for flashing software updates and we're working on generating instructions to do this. You'll need the kestrel to be in communication with a PC either via BT or serial cradle in order to upgrade. Look...
  14. BryanLitz

    Range Report Applied Ballistics Mobile App

    Guys, Recognizing there has been a lack of support for this app, we've assigned someone to engage the hide and provide some much needed assistance. Chuck Foote is Applied Ballistics' digital media specialist. He's a relatively new shooter (F-TR, Michigan team member) and college student...
  15. BryanLitz

    Scientific differences between Applied Ballistics and Horus Kestrel.

    When G1 or G7 BC's are selected or entered, the Applied Ballistics solver references the corresponding drag curve (G1 or G7). However, when custom curves are used, no *standard* is referenced. The drag of that specific bullet is modeled without referencing any standard. Basically, that...
  16. BryanLitz

    Range Report Applied Ballistics Mobile App

    lelandEOD, We're actively working on adding reticles to the app. Please send me an email: [email protected] with the specific reticle you want and we'll add it to the list of requests. Also, The iOS version is currently in development and the timeline is estimated around 4-6...
  17. BryanLitz

    Help me identify this .30 cal 155 grain "mystery bullet"

    I think they're both Scenars. I've seen a great deal of dimensional variation between lots of Lapua bullets. Within a given lot they're very consistent, but have greater than average lot variations compared to other brands. btw, the first article referenced above isn't mine. The second one is.
  18. BryanLitz

    .300 WM: Will Berger 230 gr Hybrids stabilize in a 11 twist barrel?

    What altitude are you primarily shooting? You want the stability factor (SG) around 1.4+. Your 1:11" produces an SG ~1.2 around sea level which should work, but is a little low (technically anything above 1.0 'should' work, but you want a margin for error). At 5,000 feet altitude, your...
  19. BryanLitz

    Range Report JBM vs Shooter

    I'm highly familiar with both JBM and Shooter. The two should give you equal (within roundoff error) answers given the same inputs. I suggest the following: Enter the BC manually in case the number in the library is wrong/outdated Pay careful attention to the air pressure (station vs...
  20. BryanLitz

    230 Berger (.743) what's everyone running

    I've only used CCI BR2 vs. Fed 215M, but I suspect any standard large rifle primer would work better than any mag primer.
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