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Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Sun Jan 04, 15 11:41 am Post subject:
Does a bigger fire burn hotter or longer or both?

kGarden

Joined: 01 Dec 2014
Posts: 178
Location: Suffolk, UK

Posted: Sun Jan 04, 15 12:22 pm Post subject:

Hairyloon wrote:

Does a bigger fire burn hotter or longer or both?

I doubt it burns hotter, but there is a "getting going" period, which presumably makes a smaller fire less efficient, over all.

The boiler has a Laddomat blending valve, so adjusts the temperature of the water jacket as the fire heat increases; with the accumulator I expect that it is also able to provide "cool enough" water to be most efficient until the end of the burn when the accumulator is getting hot top-to-bottom.

Supposedly the boiler is 98% efficient, or somesuch. The gases are taken downwards and burn in a separate chamber - the spy-glass looks like a furnace

Bigger fire definitely burns longer.

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Fri Jan 09, 15 3:11 pm Post subject:

Hairyloon wrote:

Barefoot Andrew wrote:

What programmer is it?
A.

It's a "Picstart Plus", but since posting I have found the software archive with the older versions so I should be able to get it to work...

Except the firmware is obsolete and the upgrade kit costs more than a new PicKit3.

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