I have made and used ballistics gel, and I find it very temperature sensitive.... ie the penetration changes drastically with the temperature of the gel when you are doing your testing.... YMMV....Did you notice that at 12 FPE (~ 580 fps) the JSB 15.9 gr. penetrated 150mm (6").... and at 40 FPE it very nearly blew through the 10" block.... By comparison, in soap at 20 FPE (750 fps) I got only 94mm and with the 18.1 gr. at the same power (700 fps) I got 98mm.... Increasing the power to 37 FPE (955 fps) I got 116mm (4.5").... The soap will stop a .22LR High-Velocity RN in about 11".... IMO the soap is far better for higher powered guns, while THAT ballistics gel is great for low power....Roughly speaking, for a given non-expanding projectile, the penetration is proportional to the velocity....Bob
There is nothing to make, you just purchase it, melt it in a double boiler, and cast it in whatever shape you want.... Here is where I bought it, I bought the case of twelve 1 lb. bricks....https://www.newdirectionsaromatics.ca/products/melt-pour-soap-bases/melt-and-pour-soap-base-clear.htmlI use "Bakers Secret" metal loaf pans of various sizes for the molds.... After set, put it in the fridge to shrink a bit and it just falls out when you turn the tapered pan upside down.... It is 100% reusable, just remelt it.... Here is a couple of .257 HPs at 130 FPE....The FN slugs on the left had already penetrated an entire 10" block.... Here is a selection of .22 cal pellets at 37 FPE....and here is a comparision between NOE BBTs, a 51 gr. FN and a 47 gr. HP in .25 cal. both shot at 100 FPE....Note how the wound channels stay open, and are easy to photograph.... Bob
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