See Through Catalytic Converter

Ever wonder what's happening inside your catalytic converter? I Make a See Through Catalytic Converter to see what's happening inside the catalytic converter when it's functioning.
you can clearly see that when it's not within its normal operating temperature it's not doing too much, I'm guessing this is why most cars put out the majority of their pollution during the first 5 minutes of startup.

if you're interested in learning more about how the catalytic converter works and the process that happens inside there are a few links to some really good videos below

Donut Media

Engineering Explained

Automotive Basics

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Watch this in 4k when possible, it looks incredibly awesome !

Carbon 12

Produced By: Carbon 12

Directed By: Matt Mikka

[iant]

As an engineer who works for a company that designs and manufacturers Catalytic converters, this is awesome!!!! I sent it to my whole team!

[ProjectFarm]

Amazing job! I've always wanted to see a catalytic converter while it's functioning! Looking forward to the next video.

[norbertfleck]

The catalyst starts working long before it starts glowing.

The outlet is usually hotter (+50°K) than the inlet on a controlled 3 way catalyst.

The maximum temperature we measured was 950°C at a VW Golf 2 GTI (US model). Full throttle at 190 km/h uphill.

The normal operating temperature is between 250°C and some 500°C

Greetings from the founder of a German catalytic converter factory.

[SupraSav]

From a welder fabricator that does everything from building my own computers, to doing all the work on my own car it's nothing short of epic and exhilarating seeing the freedom being able to make all your own parts gives you. Seeing your videos motivates me to follow my dream, building custom parts/3-D printing/fabrication. Thanks for sharing your videos they are always epic. Especially enjoy the slowmos.

[curtisbaker]

Only mower in Illinois that would pass emissions.

[callumparkinson]

“I started running rich and the cat LOVED that!”

*in reality cat did not like that and in fact can be damaged by running too rich*

[TechInspected]

Year 2030 - Alright so here we have our fullsized see-through Atomic Bomb and here's the small second one. Fair warning this bomb is loud.

[PhilipKloppers]

What I found most interesting was the difference that was quickly apparent between the inlet and outlet sides of the glass! The inner surface of the inlet side very quickly became dark and cloudy, while the outlet side after the honeycomb stayed clear and transparent - a perfect visual confirmation that it does what it is intended to! Great video, thank you!

[rcdieselrc]

You see flame because the catalyst can't keep up and there isn't enough oxygen stored in the catalyst to do it's job. An EFI system is constantly switching slightly lean/rich to allow the catalyst to store oxygen to allow it to burn HC when present. When exhaust in this video which is super rich (orange flame is indicative) reaches atmosphere it combusts with a flame. You see some flame at the back of the catalyst here because there is some reverse flow every stroke. Excellent video.

[ClumsyCars]

this is why you dont park cars on tall grass when you've been driving a long time.

[PerspectivEs]

glass: *survives brutal vibrating and getting rattled around*
also glass: ᶜ ʳ ᵃ ᶜ ᵏ

[Benzy]

When I was a younger I LOVED blown up diagrams, cross sections, etc and had a bunch of picture books explaining/showing how things worked or what they looked like. Your see-through series takes me back to that same curiosity and wonder.

[allenstratton]

Take a scrap piece of leftover catalytic material and hit it with a propane torch until it is red hot. Cut off the flame and then quickly expose the red-hot area to a gas stream and you will see it glow red hot again with NO open flame.
Cody’s lab did a video on catalytic material some time ago. Worth the watch.
Thank you for the very cool video and please keep up the great work.

[JesusisJesus]

This is absolutely the most under-rated channel on YouTube. The work put in and production quality is extremely great, and why this is not on the discovery channel eludes me.

[wesleyson]

You can also just heat the honeycomb with a torch to get it warm and then put the torch out. Then just blow the gas from the unlit torch through it and it will burn without a flame and get the cat material orange hot. I always found it fascinating to watch something burn with no flame because it's just so counter-intuitive.

[theJellyjoker]

That's one of them Cadillac converters.

[ssandus]

Catylitic converters are something almost every car in the world had until they were parked in
A neighborhood with a crack head with a sawsall

[SpeedDemonExpress]

The best part is when it breaks the seal creating a leak and turn into a pulse jet in slow motion! Nice.

[mehdihmida]

Seriously as a mechanical student you are teaching better than the University. I never understand the work of the cataliseur better like this wonderful video.

[matthewcahill]

Cat converters are large honeycombs of platinum, palladium and rhodium, when the toxic unburnt gasses like carbon monoxide pass over them, they get pulled onto the surface of the metal, the high concentration of the gasses on the surface forces them to react and turn into non toxic gasses like co2 and oxygen

Also the reason leaded fules for banned, is the lead atoms would permanently bond to the metals in the converter, getting rid of their ability to catylyse these reactions, destroying the converter