Nice work, Aluminium bronze can be be quite challenging to cast. I am wondering if you did a vertical cast of that dagger if the shrinkage can be avoided

My hacksaw and files just skate across aluminum bronze. I have to use abrasive wheels to cut that stuff. Good looking blade! Oh and I finally subbed ;-)

I love aluminium bronze. It's the first alloy that I made myself. It is super hard and takes a magnificent polish. Also, different component ratios have different colours.

If you add a pinch of silicon to your mix, it may help with flow and shrinkage.

I once had a job cutting up some old British Navy bronze stuff we tried Diamond and carborundum blades 9" and 12" we couldn't touch it, I noticed you were using a hacksaw on that I always wondered what mix the British Navy used for their bronze props and bearings it was a sight harder than rebar.

solve shrinkage problem with vertical casting?

you could have hammered a bit the edge before filing, aluminum bronze hardens with hammering... also maybe if you wanted it more yellowish you could have used 92% copper 8% aluminum, or even 92/6/2 Cu/Al/Ni (which is common for some coins)

watching you make the aluminum bronze dagger was fascinating :)

Aluminum bronze, less than 8% aluminum if you want to cold work it, and it is malleable and ductile. Over 8 % becomes very hard.

Aluminum Bronze Swivel cannon would be fun.

re patination have you tried making a ferric nitrate soloution and dipping the handel whilst hot?

I vent petrobond sometimes, but when I do I push my vent wire down through the cope with the pattern in place but stop about 1/4" above the pattern. If you just want to let the air out you can just put an open riser at the end, but to let gases out the non-contacting vents will work. They won't work if they're filled with metal.

Gorgeous.

Have you made a composite bow or ancient Egyptian arrows?

Fascinating!

Turned out great.

I would have been tempted to grind dimples on both sides to create symmetrical dimples. For a dagger, I love the idea of having a more impact-resistant alloy.

Love your work man🔥, keep the content coming. Could try a viking/Norse dagger next🤷🏼‍♂️

Wow! Really impressive!

Really great video! Love your work🤜🏼🤛🏼🇦🇺🍀😎

Look's AWESOME 👍🏻👍🏻👍🏻👍🏻

Is that based on 2000 bc anatolian daggers? Totally enjoying your casting videos especially the historical ones.

Wow no power tools - nice job 👍🏻

Aluminum and its alloys tend to make much better hilt materials than blade materials

Sweet!

Робинсон -Молодец 👍😀

Very nice. Successful in my opinion.

golden knife!

Keep it up!

How about adding just a -little- bit of phosphorous/copper to the bronze to inrease fluiity?

Beautiful, a true inspiration. What size is your crucible?

Would preheating the mould somehow reduce shrinkage?

Very interesting

So, normaly can take some plastic, cut out some form, which i need, dig in sands and cast??? so simple will be works?

that is a sick forge. how did you get your hands on the keg?

do u know what the specific alloy or the tin content/percentage is of those two tin bronze examples you showed?

I'm guessing the white powder you added was flux. What kind did you use? Great video!

How do u get bronze? Ps : excellent video as always

This!

can Aluminum be quenched and hardened like steel?

Can you make the sword of Achilles

How does aluminum bronze compare with tin bronze as far as hardness?

What kind of flux are you using?

Seth Robinson- will you please tell us what equipment you use

Isn’t aluminum bronze structurally stronger than tin bronze?

try castiron bronze

You should show your face more, gives it a more "real" feeling.

For sale ?

'Grinded'?

Are you going to cut something?

bro copper with tin is best

For sale?