YouTuber Builds Real-Life Captain America Shield

James Grebey (known online as The Hacksmith) has built a real-life Captain America Shield and it’s too awesome!

What would you do for a fully functional Captain America shield replica that is able to automatically return to the wearer’s arm? Pretty much anything, I’m sure. Grebey has created this awesome weapon/device/toy/shield using electromagnets. The electromagnets are capable of lifting over 3,000 pounds, allowing him to toss really heavy objects, and break through concrete bricks. Now all you need is a super serum to give you super strength.

Man Builds Real-Life Captain America Shield

We made this awesome electromagnet arm bracer for the Replica Captain America shield, just in time for Captain America: Civil War. It uses a set of lithium-polymer batteries from Hobby King ( running in series at 72V. This produces 720kg of magnetic force at each electromagnet. That’s over 3000lbs of magnetic lifting force together!

The electromagnets are available on Amazon (, and are rated for 12V, which produces ~120kg (1200N) of lifting force. We’re running them at a much higher voltage for short periods of time to create awesome power. They will overheat if you use them for over a minute at this power level!

For more information about the project check out our blog post at

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