30-06 at it all day and none will penetrate. For example, if we say Cap's shield has a V 0 for. Then there's the V 0 rating, the most energy a bullet can have and never penetrate. 30-06 Springfield used by the US in WWII or 7.92 x 57mm Mauser used by the Germans. Bullets were a lot more powerful back then. With about 2000J of energy it's the most powerful bullet Cap is likely to encounter on a modern battlefield.īut Captain America's shield was for WWII. Level III will stop a 7.62mm rifle round such as fired from an AK-47. What you're looking for is NIJ Level IV protection. I'll add detail based on existing bulletproof materials and standards. Titanium is generally nonmagnetic, to the point that a patient with titanium implants can be scanned by an MRI is on the right track. Steel can be magnetic or not, depending on how it was produced. My estimate is you could probably halve those numbers at best for heavy shield tossing. Mind you, in "weight toss" you get a run up and a more ergonomic handle to launch with than you would find in a shield. Men use a 35lb ball - lighter than the steel shield but within bounds for titanium - and the world record is 25.8m (~78 feet). The record in that category is 24 meters (around 79 feet). Women use a 20lb ball, which is analogous to the lowest end of the titanium weight scale. the "weight throw" event of track and field. Looking at throwing distance, let's consider the closest analogue we have for throwing really weighty things. Otherwise you need to start multiplying the weight considerably, and even a 2x factor is enough to make the entire endeavor utterly impractical. So let's assume that we are stopping only small munitions fire. It's likely that many types of gunfire could rip through the shield at that thickness using real materials. NOTE however that the shield weight is calculated based on Captain America's shield. A titanium shield would weigh between 10.215 and 20.43kg (22.5 - 40.9lbs).
That would mean a steel shield would weigh between 18.27 and 36.547kg (40.2 - 80.4lbs). We also know the density of steel (~8,050 kg/m3) and titanium (~4500 kg/m3). This link gives the volume of the shield of between 0.00227 – 0.00454 m3. This is where I think titanium is going to really run away. When re-use is a consideration, Steel or Titanium are the most used metals.
#Captain america shield crack#
When considering the basic requirement - being bullet proof - I think the best thing we can do is find a good Trauma Plate and scale its size up.Ĭeramic trauma plates are very good, but are not normally re-used because they tend to crack or develop micro-fissures that could lead towards catastrophic failure after another impact. You're Looking for a Shield-Sized Trauma Plate
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