Strike UNTIL the Iron’s Hot!

[@scubaseppy]

Dude you are an absolute beast swinging that 10# hammer for that long.

[@DWForge]

That depends on the day 😂

[@Vikingwerk]

I can confirm, good hammer control is vital, I can get close, but I can’t quite get to a glow, my strikes are a bit off, so the piece starts going diamond shaped, and then i get glancing blows, and than ruins my rhythm. Practice time!

[@DWForge]

You’ll get there! Practice good deliberate strikes and don’t tense up too much. It’s as much a game of muscle memory building as it is a mental one. Thanks for watching!

[@Vikingwerk]

@@DWForge thanks for the tip! I know I tense up and that makes me grip my hammer wrong, and that causes the bad blows. I figure trying to do this is a cheep (don’t have to burn forge fuel) and interesting way to improve my hammer skills!

[@Pancreaticdefect]

I saw this done in a show called Blue Eye Samurai to light incense sticks. Didnt even know it was a thing until then.

[@zacharynoland3047]

Would be really cool if you had a infrared temperature reader pointed at it while you hammers

[@DWForge]

If I could get my hands on an infrared camera that would be the icing on the cake

[@patgenier1965]

I want an anvil now!! 👍

[@angrysheepdog9744]

Super cool and might be vital knowledge to know in a pinch.

[@ferrarikingdom]

I played this back in slow motion and you can see a very slight glow on your very last hammer blow with copper

[@ErikPearson22]

Could this be applied to forge welding? Keeping the two+ pieces hot longer?

[@sasssquatch1467]

Been at the anvil for 17 years. This is crazy difficult to do in winter up in the mountains of NY. Between the anvil sucking up the heat and your hands being dry, yet slippery from the lack of grip, it's best preserved for spring-early fall lol.

[@DWForge]

😂 anytime that cold sinks in, everything gets more difficult

[@sasssquatch1467]

@@DWForge every damn time. The first half hour in the shop is just preheating the anvil and thawing my slack tub lol.

[@jakeadams1423]

Love the channel, keep posting I'm sure a lot of people would enjoy watching. Copper more ductile? Less resistance to deforming=less heat generated?

[@bigoldgrizzly]

If I had to do this every time I fancied a cigarette, I guess I'd smoke a lot less !! Keep up the good work friend ;

[@DWForge]

It’s the true quitting program 😂. Thank you kindly.

[@jessetheunicorn9960]

I wonder how heavy the hammer has to be to make it work, could you make it work with a 28 oz hammer?

[@DWForge]

Potentially if you practiced enough. The larger 3-4 pound hammer makes it easier to impart more energy quicker

[@jessetheunicorn9960]

@@DWForge Thx, i’ll keep on practicing then. Btw love the videos and shorts you make.

[@DWForge]

@@jessetheunicorn9960 you’re welcome! Thank you for the encouragement!

[@6fathom117]

not sure if its the same but i’ve just taken pieces of fence wire and hit it with a common hammer on the concrete and it heats up a ton, not glowing hot but it gets hot (if you couldn’t tell i wanna learn how to forge )

[@DWForge]

It’s the same concept… it sounds like you have a head start on the addiction 🤣

[@Virgox222]

Is this a skill you would want to be ambidextrous in? My hand hurts just watching! lol. So cool I learned a ton just from two of your videos. Subbed and can’t wait to see more! Sending love from michigan!

[@gordoncouger9648]

An old blacksmith told me, "I would go to Hell for beating on cold Iron." He meant don't waste time trying to move cold Iron. This video shows that Iron might stay hot if one hammers hard and fast enough. I doubt four men with 8-pound hammers would be able to keep most work hot enough to complete it fully. When I could not get a tool to pull 68HC11 chips from their sockets, I cold forged baling wire with a ball peen hammer to make the hooks. I used the hammer to cold forge the wire to shape, then peened it to increase its hardness and stiffness to the point the wire functioned as a chip puller. At no point did the wire get hot. I was strain-hardening annealed steel wire.

[@MyTime1863]

I wonder how the math works out on this for how much each hammer strikes heats up the metal? Like I counted a little over 50 strikes in that first example before a red glow showed. If a red glow is around 900F, does that mean each hammer strike delivered an increase of ~18F in temperature or does the energy that gets imparted into the metal go up exponentially?

[@paladinkhan]

Id imagine perhaps some mix of both. Good point though, perhaps its somewhat exponential in some way, or maybe it starts heating up slow and then quicker, then stops heating up as quickly once it gets to a certain temperature. By quickly i mean with each strike. Of course there are so many variables with this as well, it would be interesting to be able to test in a vacuum in a temp controlled environment

[@TheLionAndTheLamb777]

When bending metal it gets hot, and pounding metal is essentially bending it throughout it's core. It doesn't seem a surprise that it would get hot, this is something that I would have assumed people just knew. I guess that is not the case though.

[@Dracoscythe1]

So basically what's going on here is you're generating heat through the friction of the atom in the metal rubbing together and the softer the metal the less friction the atoms have with each other, the less heat generated. Theoretically this would work with any material (not just metals) provided it doesn't break under the stress (although it may ignite first unless in an oxygen free environment).

[@maxwellbattaglia308]

Great, now I need to be a blacksmith...

[@heliuspetador5190]

the way a blacksmith lights a cigarette 😂

[@snakegaming764]

Hey I would love it if you made a video like “What you need to get started blacksmithing” or “How to start Blacksmithing” love your videos man! Your technique looks so clean compared to other videos I have seen. But I also know very little about it.

[@DWForge]

Why thank you! I appreciate it!… I have been kicking around that idea. I want to do it justice, so hopefully this winter I can get some downtime to break it down and explore the topic. There may be a couple videos worth there.

[@snakegaming764]

@@DWForge Fully agree but, you’re the man for the job! And you can count on at least one view!

[@arthuravagyan4066]

At least 2 views )

[@ladylad2763]

Hmm so the more malleable the metal the more energy lost + conductivity disperses the heat

[@DWForge]

That’s what seems to be the case

[@markeverson5849]

The new meaning of hot rod:-) haha I wish you would have tried the copper even though you couldn't see the red glow it might have been hot enough did you think about wrapping the copper with insulation on the shank while you worked at the tip to retain the Heat question by also I was thinking the same thing the whole while the cold anvil

[@sambhavkapoor26]

rather than adding weight to the hammer you shouldve added speed as halving the weight and doubling the speed would result in double kinetic energy!

[@ErikPearson22]

I have my own youtube channel and im exploring this as an option to start a fire my striking a piece of old mining metal with a hammer of some kind, like the back of my Tomahawk...that said this would be very hard to do im sure.

[@Zacchaeusify]

Great video, thank you for sharing! Is there a name for this technique? I’ve been trying to find information about this until I stumbled across this video. On the topic of alternative metals, I’d love to see this, as well as flint striking, on 6Al4V (grade five) titanium. Thanks again!

[@AwestrikeFearofGods]

Next try with titanium rod. Its thermal conductivity is even lower than stainless steel's, so you might be able to ignite it. You might want welding goggles.

[@AwestrikeFearofGods]

I should probably specify, I meant Ti-6Al-4V and similar alloys, not pure titanium.

[@CATA20034]

Insane, you are pushing a few hundred of wats with the hammer. Stainless is poor at heat conduction, cooper will spread the heat.

[@marcelmuller8166]

Nope. A couple dozen watt. I'd guess 50J per strike at 1 strike per s = 50W.