To find the colume of a powder charge, multiply the grains of powder by the VMD. VMD is the volume of one grain of gunpowder in cubic centimeters. This can result in over charging if you work from the same setting and the next container of powder you get is more dense.įrom Lee's Modern Reloading, 2nd Ed.
#Lee vmd chart software
It is very important that you repeat this process with any new container of the same powder because the powder companies allow themselves a 16% tolerance between batches. Lee Shooter Software 6 Loading Data 5 Molds Melters and Casting 35 Powder Handling 39 Press Questions 47 Priming Questions 8 Shotgun Topics 18. (divided by)- = VMD (volume in cc's for 1 grain of powder) The result is the volume (cc) of a single grain of powder (VMD) Divide the measure setting you used to drop the charge by the weight of the charge. Using any setting on your powder measure (preferably a whole number), drop a charge of the powder you wish to determine the VMD for. We attempt to keep a current list of newer powders and their VMDs (click here) 43cc setting on the Perfect powder measure.
3cc dipper, (because the next larger one is beyond.43 ccs) the. In addition, she writes magazine articles on pet health care and volunteers with animal shelters, rescue groups, agricultural organizations and. Veterinarian Lee Pickett, VMD, practices companion animal medicine in North Carolina and writes Ask the Vet, a weekly veterinary advice column. 1064, and the desired charge weight is 4 grains, ABOUT LEE PICKETT, VMD designer T17:15:32-04:00.
This can be used to calculate the dipper, disk cavity or powder measure setting required to obtain a desired weight of powder. The Volume Measured Density (VMD) of a powder is the volume in cc's (cubic centimeter) that one grain of powder occupies. This can be very useful if you have a Lee powder measure or the dipper set.
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