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Thread: Quickload thread

  1. #1
    Moderator Emeritus
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    Quickload thread

    Any Quickload users out there?

    If so how do you fancy starting a Quickload thread?

    If there is interest we could make it a sticky, discuss the finer points of the software as regards Cast Boolits.

    For me its one of the best reloading purchases I've ever made.

    Anyone got or upgraded to V 3.5 from V 3.4? Is the upgrade worth the ten squids?


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  2. #2
    Boolit Master
    BD's Avatar
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    I recently purchased Quickload. It's been useful, and I'm still learning. But I've had an issue.

    Do any of you guys know if you can go back in and fine tune a load with real chrony data? I've found a couple of instances where it's pretty far off base. It really led me astray with heavy cast boolits in the .450 bushmaster. The model looked pretty good using the Hornady factory FTX's, and tracked the chrony data pretty well. Next, it was estimating about 10% higher velocities than I recorded for the Nosler 250 JHPS.

    Thinking I had a handle on it I measured up my 300 grain boolits, adjusted the program and used the data to load a load work up. The starting load clocked 10% higher than what the model predicted for the max load. Whoops! I wound up pulling 50 rounds.

    I can't get the model to even get close to predicting that velocity without adding 10,000 psi to the start pressure and dropping the case h2o capacity by 5 grains. So for now, Quickload is not real useful for the predicting Boolit loads in that cartridge. Any way of adjusting things to get closer to reality?
    BD

  3. #3
    Boolit Master

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    dromia,

    It looks like it may be a good idea as you ahve one question already. I am not a user or owner but will read what comes up.

  4. #4
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    Quote Originally Posted by BD View Post
    I recently purchased Quickload. It's been useful, and I'm still learning. But I've had an issue.

    Do any of you guys know if you can go back in and fine tune a load with real chrony data? I've found a couple of instances where it's pretty far off base. It really led me astray with heavy cast boolits in the .450 bushmaster. The model looked pretty good using the Hornady factory FTX's, and tracked the chrony data pretty well. Next, it was estimating about 10% higher velocities than I recorded for the Nosler 250 JHPS.

    Thinking I had a handle on it I measured up my 300 grain boolits, adjusted the program and used the data to load a load work up. The starting load clocked 10% higher than what the model predicted for the max load. Whoops! I wound up pulling 50 rounds.

    I can't get the model to even get close to predicting that velocity without adding 10,000 psi to the start pressure and dropping the case h2o capacity by 5 grains. So for now, Quickload is not real useful for the predicting Boolit loads in that cartridge. Any way of adjusting things to get closer to reality?
    BD
    Yep informing the programme with real life values is the key methinks to the programmes potenial. So long as you've got the boolit data, case capacity and cross ectional bore area right then for small variations you can correct with shot start pressure and the weighting factor can adjust to make accurate predictions on known velocity.

    I'm currently working with reduced loads, less than 5 gns fast powder with a 120 gn boolit in .303 British. QL currently predicts 100-200 fps over actual, on a 800-900 fps round this is a lot.

    I think the low loading density is affecting the powder burn rate/efficiency so I need to do some fiddling with the powder speccy BA rate etc.

    Any advice would be welcome, going to set a a good day aside to reread and mine the handbook on this.

    Complicated I know but I love it.


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  5. #5
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    I've been wondering about Quickload so if you do get a thread going, I'll be reading to decide if I want it for myself. BTW are there any other similar programs available?

    Edd
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  6. #6
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    When I looked at programmes a couple of years ago there was nothing else in the QL league.

    There are some free, good basic ballistic software out there.

    There is a reasonable QL critique here:

    http://www.6mmbr.com/Quickload.html


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  7. #7
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    Got it, Use it, Love it - welcome a discussion thread on it.
    Cast Bullet info
    http://www.castpics.net/

    Reloading Data Project - (in retirement)
    http://sourceforge.net/projects/reloadersrfrnce/

  8. #8
    Boolit Master

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    I'm using v3.3. I love it. I wish it had data for IMR pistol/shotgun powders and WSF. OTOH, I have too many different powders already without being tempted to buy a bunch of one-pounders of IMR's.

    For WSF powder, I use Herco data and keep it fairly conservative.

  9. #9
    Boolit Man Nelsdou44's Avatar
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    Great idea for a thread. I've been wondering why QL doesn't post a page for known bugs or modeling errors.

    For example, the 9.3x57 is listed having a weight factor of 0.5, but it probably more like a 0.7, being that it doesn't have much of a bottle neck.

    When I can't find a cast bullet in the listing, I pick a jacketed RN of the same weight and plug in a starting pressure of 1160 psi. Is that reasonable?

    Nels

  10. #10
    Boolit Master

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    Quote Originally Posted by Nelsdou44 View Post
    When I can't find a cast bullet in the listing, I pick a jacketed RN of the same weight and plug in a starting pressure of 1160 psi. Is that reasonable?
    I do the same thing. Seems to work.

  11. #11
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    OK stickied, lets se how it goes.


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  12. #12
    Boolit Master
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    A couple of questions:

    How do you judge the meniscus to get the case capacity in H2O? I can vary that on a big straight wall case by 2 grains easy. I tried filling a case until it overflowed, but i get a different meniscus every time. is there some standard?

    Any good ideas on getting an accurate bore cross sectional area?

    Thanks,
    BD

  13. #13
    Boolit Master
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    i add cases and volume by my own sorted lots.
    i take real world data and adjust things till they produce my known data.
    powder can be overridden.
    i add my cast boolits with data from similar jacketed.

    most of my cast are h2o dropped ww...so i use 2450 as a start pressure( typically on the lands)

    my issue with ql is its constant failure to move my added data when doing updates.


    i have been using it for years.


    mike in co
    only accurate rifles are interesting

  14. #14
    Boolit Master

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    Quote Originally Posted by BD View Post
    How do you judge the meniscus to get the case capacity in H2O? I can vary that on a big straight wall case by 2 grains easy. I tried filling a case until it overflowed, but i get a different meniscus every time. is there some standard?
    Have you tried using soapy water? Reduce the surface tension.

  15. #15
    Boolit Man Nelsdou44's Avatar
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    Has anyone tried modeling SR 4759 powder in QL? Or is there a powder in the QL database one can approximate the performance of 4759?

    Nels

  16. #16
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    Can somebody with quickload run some numbers for me?


    .22 hornet or k-hornet

    80gr boat tail- matchking, a-max, VLD....or whatever is availible

    Target velocity- 1050fps & then also the theoretical max velocity without exceeding saami specs.

    Not to picky about powers, just wondering how possible this is.

    thanks


    Dan
    Some where between here and there.....

  17. #17
    Boolit Master Cap'n Morgan's Avatar
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    For a K-Hornet 2 grains of Unique behind a Match King should get you there. As for the max velocity it very much depends of the OAL of the round. 1700 fps in a 20" barrel should be within reach - Quickload estimates 1715 fps at 42000 psi using 5.6 grain Blue Dot and a OAL of 1.8" But remember! This is an ESTIMATED pressure!
    Cap'n Morgan

  18. #18
    Boolit Master 303Guy's Avatar
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    Does Quick Load take into account differences in neck tension?
    Rest In Peace My Son (01/06/1986 - 14/01/2014)

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  19. #19
    Boolit Master


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    I finally broke down and bought it today. I've been thinking about it for quite a while as I would like to compare it's performance against my Pressure Trace equipment.
    Michael

  20. #20
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    Quote Originally Posted by Ranch Dog View Post
    I finally broke down and bought it today. I've been thinking about it for quite a while as I would like to compare it's performance against my Pressure Trace equipment.

    I'd be interested in your conclusions Michael.


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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check