![]() After mixing it will be poured into a mold and refrigerated for at least 72 hours. This is Knox gelatin in its powder form as it’s being mixed 1 part gelatin to 9 parts hot water. We mix the gelatin with hot water, pour it into molds and refrigerate for at least 72 hours. The mixture ratio of 10% gelatin is 1 part Knox gelatin and 9 parts water. 45-70 Government requires two of these monster blocks. Blocks 12 inches in diameter, necessary for the testing of larger calibers, weigh 100 pounds. A typical 8x8x17 inch block of gelatin weighs 40 pounds. They are made of Knox gelatin similar to what your mother fed you as a kid, but without flavoring and made to a denser consistency. Making Jell-Oīallistic gelatin testing basically involves molding blocks of gelatin, shooting the blocks and measuring the damage you create. For now, I can simply state that 10% gelatin is the most universally recognized method of simulating performance against live tissue. ![]() The space allotted for this article will not allow a detailed comparison of each of the mediums I mentioned, with an assessment of the strong points of each. This would enable you to select one projectile or ammunition type as being more effective than other types. The ultimate goal of all was to measure the performance and be able to accurately predict effectiveness on live tissue. All are methods that allow you to compare performance of one fired projectile to another, so you can determine the best caliber or the best bullet for your intended application. Shooting hanging cadavers, baffle boxes of spaced pine boards, wax, clay, Duxseal, phone books (both wet and dry), wet newspapers, 20% gelatin and now 10% gelatin. Click here to support Block Club with a tax-deductible donation.There have been many different methods and mediums used over the years to measure ammunition performance and predict results on flesh. Every dime we make funds reporting from Chicago’s neighborhoods. Thanks for subscribing to Block Club Chicago, an independent, 501(c)(3), journalist-run newsroom. Every dime we make funds reporting from Chicago’s neighborhoods.Ĭlick here to support Block Club with a tax-deductible donation. Subscribe to Block Club Chicago, an independent, 501(c)(3), journalist-run newsroom. “You never know what will happen when you have one gun and another gun on the sides of your head. If I tried fighting, maybe they would’ve killed me,” Zayas said. Zayas’ young granddaughter, who was also home during the attack, is “shaken up,” said her father, Victor Sanchez. Zayas picks up his grandson every morning for school to help out his daughter, he said. Zayas and his family are reeling from the robbery, he said. Credit: Mina Bloom/Block Club Chicago The scene of a police shooting in Logan Square Tuesday morning. Evidence markers were put down next to the city-owned police building. The police shooting brought a couple dozen officers, detectives and investigators to the area. Officers take breaks in between shifts at the city-owned police building across from Zayas’ family’s home. An officer had minor injuries and was treated at an area hospital. The robbers got away, and no guns have been found, police said. ![]() They saw a robbery in progress and there was an “exchange of gunfire,” police said. The officers involved were from the Detached Services Unit, according to a police news release. Ahern said the officers are part of Lightfoot’s security detail. Police spokesman Tom Ahern and the Civilian Office of Police Accountability, the agency that investigates police shootings, confirmed the shooting involved police. Credit: Mina Bloom/Block Club Chicago Luis Antonio Zayas, 77, was robbed at gunpoint outside of his family’s Logan Square home Tuesday morning. Officers shot at the armed robbers as they drove off, Zayas and witnesses said. Zayas gave the men his wallet when they pulled him out of his car, ripping his pants, he said.Īmid the chaos, Zayas yelled for help from police, and several officers came running out of a city-owned police building across the street, Zayas and witnesses said. They told the man to give up his belongings, Zayas said. LOGAN SQUARE - Mayor Lori Lightfoot’s police detail fired shots at armed robbers who attacked a grandfather Tuesday morning in Logan Square, the victim, witnesses and police said.Ībout 7 a.m., Luis Antonio Zayas, 77, was outside in the 1800 block of North Monticello Avenue, waiting to take his 7-year-old grandson to school, when two men opened his car and put guns on the side of his head, Zayas said.
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