Good one from Tasmania Australia. Cheers

Definately one of the better setups i have seen. Amazes me how many people have a copper coil with the majority of the thermal energy shooting right up the middle doing nothing.  Most people don't have the smarts to add the baffles.  The more you make the gas flow change direction and break up the boundry layer the better.

You are wasting some energy with the outside of the burner running red. If you put some insulation inside to stop the heat radiating out, that would help.

You need to NOT have the oil feed in the fire and running red or even vaporising the fuel. It will block with the carbonisation of the oil pretty quick.  I run my fuel pipe through the air inlet to keep it cool.  Having the oil hot does nothing outside the burn chamber.

You fuel flow towards the end was way too high. I could tell by looking at it.  The oil pooled in the burner and when you shut it off it probably ran a long time before going out.  It won't smoke at first but you have to be careful you don't get an amount of oil boiling so that it all wants to phase change to a gas all at once. You'll get a HUGE flare up but if it happens, don't panic.

Give it 30 sec to a min and it will burn out and settle down again.  It's dramatic but not going to do anything because theres nothing to bun in there anyway.  To check the oil flow is right, you should be able to turn off the fuel and hear the flame start dying in 30 Sec or less. If it goes longer than that with no change, you are over fueling even if it's running clean.

It would be interesting to see what the exit gas temps are. You may be able to put like a car heater cabin or motorcycle radiator over the top and run your cold water in there to pre-heat it.  If you can get the flue gas temps down it will increase efficency.

Great setup, I like the modular design and the thought that's gone into this. Very well done!!!

I plan on doing something similar to heat my pool

You could sous-vide a fair few briskets in that tub lol

Ottimo vedere questo nuovo upgrade. Molto bene Cole, avanti con il prossimo 💪💪💯💯

Great Video. I look forward to them everytime

Thats why I have a pump and a controller that controlle my oil

I've read that reclaim oil burner's, waste oil combustion exhaust, it cleaner than traditional wood.

Funny shirt!

At 14:15, you need to make the oil pipe slightly bent so that when it burns, the smoke doesn't rise back into the oil tray like that.

You should look at a pulse type fuel pump and timer. This will give perfect stable oil flow regulation that would enable you to use oil from larger drums and be able to walk away  for hours knowing the burn will remain stable and at the same level without ajusting all the time.

I like this project. Make sure you have good ventilation to pull those fumes. Stainless steel has hexavalent chromium. It likes to cause cancer.

What was the temp at the exhaust?

I want to do this as well.  Only issue i have is burning my synthetic used motor oil from my vehicles.   Does this pose an environmental and localized health threat to my family.  Seems like just breathing around it has issues.  Your thoughts?

I did a quick google..."burning used waste oil from vehicles is strictly regulated and, in many cases, outright prohibited across Canada."

You still have not fixed the stoichiometry ratio on the burner and it is still burning dirty yellow. See other waste oil burner videos in which the flames are blueish or purplish and clean burning depending on the mix of waste oils.

With it that hot, it's getting on for lobster  cooker rather than hot tub!🦞😮

Thank you for not calling it a hot water heater
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IMO, using diesel kind of defeats the purpose of this because you're having to buy new, expensive, fuel from the gas station just to use it.  I would be interested seeing a version where more time is spent on optimizing it for waste-oil only, no new oil, no gas, no diesel.

I’m not try to be “that guy” but,diesel has a different BTU content than straight waste oil, right?  and seeing as you were 70/30 waste oil/fuel, your BTU count would be a bit skewed…. After a quick search, their individual btu counts are about the same. So, you,r mathing checks out. I guess I could have just looked it up first….