Videos tagged with Polycarbonate

This video reviews a clear polycarbonate riot shield, testing its effectiveness as a thermal barrier. While it successfully masks heat signatures from both ground and drone perspectives, its practicality for mobile operations is deemed questionable. The shield's transparency and solid surface properties suggest potential applications in stationary, urban tactical scenarios.

This video demonstrates how a standard Uvex clear face shield can effectively mask a human heat signature from thermal imaging. Testing shows significant reduction in thermal visibility when wearing the shield, especially when combined with natural cover like foliage. The shield is helmet-rail compatible and made of clear polycarbonate.

This video reviews a prototype Brazilian Police Pistol Shield, testing its effectiveness against various calibers. While it successfully stops common handgun rounds like 9mm and .45 ACP, reducing felt recoil, it fails structurally against high-power calibers such as .44 Magnum, shattering upon impact. The shield is constructed from 1.25-inch thick Lexan with a unique mounting system.

The Orca project, version 5.3, offers a 3D-printable AR-15 platform using standard printers. Key components like receivers and handguards can be printed in PLA+, but critical parts such as the barrel mount require high-strength filaments like Polycarbonate or Carbon Fiber Nylon for heat resistance. The design incorporates a 2-degree magazine tilt for improved feeding and specific heat management solutions for the barrel and gas tube.

This YouTube video compares the tensile strength of four common 3D printing filaments: PLA, PETG, ABS, and a Polycarbonate blend. Using a new tensile tester, the video aims to definitively determine which material is the strongest. The description highlights that the results are 'interesting,' suggesting a potential surprise or deviation from common assumptions about these materials.

This video from Demolition Ranch tests the effectiveness of DIY bulletproof glass against various rifle calibers, culminating in a .50 BMG Barrett. While the homemade panels successfully stopped smaller calibers like .300 Blackout and 5.56mm, they were completely penetrated by the .50 BMG round. The experiment highlights the significant difference in ballistic performance between common rifle rounds and heavy machine gun calibers.

This video compares the ballistic resistance of Lexan (polycarbonate) and multi-layered bulletproof glass against 9mm FMJ ammunition. Both materials demonstrated significant resistance, requiring approximately 4-6 concentrated shots to achieve penetration. The Lexan showed less initial damage but eventually yielded, while the bulletproof glass spiderwebbed and shattered but held initially. The test highlights that 'bulletproof' materials have limits and are resistant rather than impenetrable.

Nutnfancy expresses significant disappointment with a Shooters Ridge magazine, citing inferior materials and design. The reviewer specifically calls out the magazine for being American-made yet failing to meet quality expectations. The video also expresses a hope for Marlin to produce a higher quality factory magazine for their .22 rifles, specifying desirable features like stainless steel feed lips and durable, user-serviceable polycarbonate construction, contrasting it with the product under review. The music credit for Jason Shaw is also noted.