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Thread: Heavy pistol powder in 500 Linebaugh

  1. #1
    Boolit Bub
    Join Date
    Nov 2020
    Posts
    73

    Heavy pistol powder in 500 Linebaugh

    I have a few kegs of Shooters World Heavy Pistol. It's really Lovex powder. Usually I load most my 357 mag with it and it works fine.
    This powder is comparable to AA#9 in burn rates. Since it is meant for large capacity handgun cases I'm thinking it may be suitable for the 500 Linebaugh medium heavy loads like #9.
    Has anyone tried it in the 500L yet or if someone has quickload and could check for a starting load with the CP 435gr wfngc bullet and let me know I would deeply appreciate it.

  2. #2
    Boolit Master
    Join Date
    Jul 2015
    Location
    Wilmington NC
    Posts
    1,441
    I did not find a 435 WFNG in Quickload so I took a 450 and "tweaked it". The data below is for a 0.613 seating depth. Also note that Quickload is typically considered less accurate than desired for predicting pressures in straight wall cases. Out of caution, I ran a table, but let it end a good bit before getting to max rated pressure.

    Code:
    Cartridge          : .500 Linebaugh
    Bullet             : 0.510, 435 Guesstimate
    Useable Case Capaci: 27.354 grain H2O = 1.776 cm³
    Cartridge O.A.L. L6: 1.755 inch = 44.58 mm
    Barrel Length      : 8.0 inch = 203.2 mm
    Powder             : Lovex D037.2 Heavy Pistol
    
    Predicted data by increasing and decreasing the given charge,
    incremented in steps of 2.381% of nominal charge.
    CAUTION: Figures exceed maximum and minimum recommended loads !
    
    Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
     %       %    Grains   fps   ft.lbs    psi    psi      %        ms
    
    -23.8   59    16.00    914     806   15499   2918     79.8    1.152
    -21.4   61    16.50    941     855   16674   3051     81.3    1.112
    -19.0   63    17.00    968     906   17922   3184     82.8    1.075
    -16.7   65    17.50    996     957   19247   3315     84.2    1.039
    -14.3   67    18.00   1023    1011   20653   3446     85.5    1.005
    -11.9   68    18.50   1050    1065   22144   3574     86.8    0.973
    -09.5   70    19.00   1077    1121   23726   3701     88.0    0.943
    -07.1   72    19.50   1104    1178   25404   3826     89.2    0.914
    -04.8   74    20.00   1131    1236   27184   3948     90.3    0.886
    -02.4   76    20.50   1158    1296   29073   4068     91.3    0.860
    +00.0   78    21.00   1185    1357   31077   4184     92.3    0.835
    +02.4   80    21.50   1212    1419   33204   4297     93.2    0.811
    +04.8   81    22.00   1239    1482   35463   4407     94.1    0.788
    +07.1   83    22.50   1265    1546   37863   4513     94.9    0.766
    +09.5   85    23.00   1292    1612   40414   4615     95.6    0.745
    +11.9   87    23.50   1318    1679   43128   4712     96.3    0.724  ! Near Maximum !
    Last edited by P Flados; 04-13-2021 at 11:56 PM.

  3. #3
    Boolit Bub
    Join Date
    Nov 2020
    Posts
    73
    Thank you very much. That gives me a good place to start. I'll try to stay below 35,000psi at the top end.

  4. #4
    Boolit Bub
    Join Date
    Nov 2020
    Posts
    73
    Thank you very much. That gives me a good place to start. I'll try to stay below 35,000psi at the top end.

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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