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Rambo and Sylvester Stallone are movie icons. In this video we make a miniature version of the famous classic Rambo survival knife in high carbon steel.

First I take a high tensile steel bold and soften the steel with a gas torch. I save gas and heat it quicker in a miniature firebrick forge. I could have skipped this but it makes the steel softer to sand and file.

The 16mm bolt is made to fit a standard 13mm drill chuck by removing the threads, this means I can use the drill as a lathe to make vertical cuts. A 3mm tap is then added to the 2.5mm hole.

After cutting, grinding and sanding I harden the blade by heating it back up and quenching it in oil. It is now very very hard and a file just skates off, but slightly brittle. As I will be hitting the edge of the blade, I anneal the steel in an electric oven for 2 to 3 hours.

Many coats of metal 'blue' are added and I use a knife sharpener to reveal and sharpen the two edges of the blade, just like the movie version.

Finally a ferro rod it filed to the correct size in the drill and added inside the handle of Rambo's knife. This is capped with a M3 hex nut with the corners removed. I am now John Rambo.

The tank used in the video is a Heng Long type 41 1/16 scale remote control tank.

Music tracks used...

Track 1: The other side - Jlsmrl
The Other Side by jlsmrl   / jlsmrl  
Creative Commons — Attribution 3.0 Unported — CC BY 3.0
Free Download / Stream: https://bit.ly/the-other-side-jlsmrl
Music promoted by Audio Library    • The Other Side – Lesion X (No Copyrig...  

Track 2: Tension - D J Pinto
Available from https://www.hooksounds.com

Track 3: Eyes of glory - Aakash Gandhi
Available on the YouTube Audio Library

WARNING!!!

Copying anything you see in this video or on the website is done at your own risk entirely, the purpose of the video is to entertain and educate, not to emulate.