Ron Curtis

I read that part of the benefit of a barrel is that it creates a cooling effect on the gases and hence a downdraft

Is it the same case with a bell that cannot release heat for some time?

I think I understand ....not sure

If that was one burn area and hence it was 1/3rd size , would that be as efficent as a barrel ( albeit longer term for instant heat )


If so it seems a lot simpler and negates having / sealing a barrel and all that goes with it


Is this correct?

I was interested in the fact that it had no barrel , just another chimney on the back side

This is the one

https://www.youtube.com/watch?v=NaZtGVhSmNo

No insulation or anything but was interwsted in views on concept


anti smoking commercial before video

Korean design I saw on youtube , would be interested in comments on design

https://www.youtube.com/watch?v=GkHOwmKyL7A

ok thanks

Hi Thomas - Barrel

I understand now about the transition - just wasn't sure how long the transtion had to last for

Thanks for that

Yes

I read that but what is the transition length of the larger area from larger to say 150mm duct

Is it just for a few inches it has to be larger before entering the ducting?

When they say make the manifold cross section larger

Does this mean make it larger for a given length or just at the entry point?