Building a New Era Base Burner

 
KLook
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Post by KLook » Mon. Jan. 02, 2017 8:16 pm

OMG, and I thought the dumbest thing I had ever experienced was vac. windshield wipers. heck, even manual wipers with a cloth soaked in either works better.
Had a set on a 53 Deuce and 1/2. Used it to haul 4 ft pulpwood to the roadside, loaded it with muscle power, and unloaded it with the same. Seems they worked great, but I didn't need them at interstate speed or anything.... :P

Kevin


 
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joeq
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Post by joeq » Mon. Jan. 02, 2017 8:24 pm

Think AMC was the last to use them. Good riddens.

 
scalabro
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Post by scalabro » Mon. Jan. 02, 2017 9:24 pm

Sunny Boy wrote:
Then you'll love hearing about vacuum operated fuel pumps. :D

Paul
"Motive Flow" fuel pumps....lots of jet aircraft use fuel flow to operate a "liquid" vacuum pump, to maintain aircraft CG (center of gravity) by pumping fuel around the fuel tanks.

 
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Post by ddahlgren » Tue. Jan. 03, 2017 2:59 am

joeq wrote:Dave. Bad example? How can you say that? Doug Roe, the inventor of the Q-jet couldn't have explained it any better. That's exactly the same premise all carburetors work on. More airflow through a venturi, more of a pressure drop, causes more fuel to flow. Same with the down tubes. A perfect comparison to more draft, signaling more secondary air to be pulled in. Clear as Boston harbor. :lol:
(TOTP...again today) :mad:
Each barrel has an idle air bleed main air bleed emulsion tube holes usually around 5 and idle mixture screw so an adjustable bleed and main jets if metering rods they are adjustable as well how does that compare to a fixed bleed?

 
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joeq
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Post by joeq » Tue. Jan. 03, 2017 6:26 am

Is that one sentence? I have no clue what you're trying to say Dave.

 
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Sunny Boy
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Post by Sunny Boy » Tue. Jan. 03, 2017 8:41 am

ddahlgren wrote:
joeq wrote:Dave. Bad example? How can you say that? Doug Roe, the inventor of the Q-jet couldn't have explained it any better. That's exactly the same premise all carburetors work on. More airflow through a venturi, more of a pressure drop, causes more fuel to flow. Same with the down tubes. A perfect comparison to more draft, signaling more secondary air to be pulled in. Clear as Boston harbor. :lol:
(TOTP...again today) :mad:
Each barrel has an idle air bleed main air bleed emulsion tube holes usually around 5 and idle mixture screw so an adjustable bleed and main jets if metering rods they are adjustable as well how does that compare to a fixed bleed?
Don't know why your getting wrapped around that axle. I was just using fixed air bleeds as an example to prove a point that stoves are not the only devices to use that method of naturally self-regulating air feed as conditions change. For those that don't do carburetor work, to put it simply, a gas will flow through a fixed hole at different rates as the pressure differential on one side of the hole changes compared to the other side. Anyone who has ever used an air compressor has seen the same affect.

The gas ring feed holes of the Glenwood #6 & #8 will feed more, or less, air as the firebed output changes the pressure drop within the stove & chimney system. The gas ring output can be "tuned" simply by putting machine screws in some of the nine feed holes under the loading door. But, I suspect that Glenwood engineers already figured out how many are needed and what size they should be. ;)

As an engineer friend likes to say, "If it was any simpler, it wouldn't work." :D

Paul

 
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dlj
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Post by dlj » Tue. Jan. 03, 2017 8:42 pm

Sunny Boy wrote: The gas ring feed holes of the Glenwood #6 & #8 will feed more, or less, air as the firebed output changes the pressure drop within the stove & chimney system. The gas ring output can be "tuned" simply by putting machine screws in some of the nine feed holes under the loading door. But, I suspect that Glenwood engineers already figured out how many are needed and what size they should be. ;)
Paul
I used to take aluminum foil and plug the holes up. It looked pretty stupid with bright aluminum plugs below the door - especially when it wasn't symmetrical - but then I never cared back then... Oh right, I still don't... But, It'd be better when rebuilding to make it prettier... and more easily adjusted. My wife would have something to say about it if I went back to that old original control method... Bolts would be less conspicuous but you'd really have to find just the right size or tap the holes, something I'd never want to do... I'd rather a hidden system that could be removed if needed and the stove remain as original as it currently is...

dj


 
KingCoal
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Post by KingCoal » Sun. Feb. 19, 2017 3:08 pm

currently,

63.9* OAT, -.05 available in the stack, wind at 5 mph, damper adjusted down to -.02 to avoid reversion, stove hot spot 352*, IAT 74* via multiple window stats.

pic of current primary setting. this is about as slow as it will go in direct draft, at these OAT's it's sketchy in base mode due to low stack temps. besides I really don't need the double heater output.

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joeq
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Post by joeq » Sun. Feb. 19, 2017 4:02 pm

So Steve, if it's almost 70° OAT, what is it in your house? Mines over 80, and I'm turned "way" down too. Wife had to resort to the windowstat. :(

 
KingCoal
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Post by KingCoal » Sun. Feb. 19, 2017 8:05 pm

joeq wrote:So Steve, if it's almost 70° OAT, what is it in your house? Mines over 80, and I'm turned "way" down too. Wife had to resort to the windowstat. :(
at the time of my post it was 74* in the house and that was with 1 window partly open on the first floor and 2 upstairs.

 
KingCoal
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Post by KingCoal » Sat. Feb. 25, 2017 8:26 am

been doing the roller coaster thing all week, actually kind of fun.

running in direct draft at -.03, sliver of primary. single hot spot on stove is 343F burning 20#'s every 24 hrs.

yesterdays high was 72F this morning it's 31F and snowin sidewise.

 
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Sunny Boy
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Coal Size/Type: Nuts !
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Post by Sunny Boy » Sat. Feb. 25, 2017 9:07 am

KingCoal wrote:been doing the roller coaster thing all week, actually kind of fun.

running in direct draft at -.03, sliver of primary. single hot spot on stove is 343F burning 20#'s every 24 hrs.

yesterdays high was 72F this morning it's 31F and snowin sidewise.
Steve,
How does that compare to the per-base heater mods under similar conditions ?

Paul

 
KingCoal
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Coal Size/Type: Nut Anth.
Other Heating: none

Post by KingCoal » Sat. Feb. 25, 2017 11:14 am

Sunny Boy wrote:
KingCoal wrote:been doing the roller coaster thing all week, actually kind of fun.

running in direct draft at -.03, sliver of primary. single hot spot on stove is 343F burning 20#'s every 24 hrs.

yesterdays high was 72F this morning it's 31F and snowin sidewise.
Steve,
How does that compare to the per-base heater mods under similar conditions ?

Paul
in base mode, the hot spot would be slightly higher on the barrel and about 100F higher and the double heater would be killin me with constant 265F circulation.

 
Hoytman
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Post by Hoytman » Sun. Feb. 26, 2017 10:24 pm

Three (3) long evenings, eighty four (84) pages later, and I'm finished reading. An exhaustive read, but certainly worth it.

This study and concept of secondary air and burning excessive gasses for additional heat output is something I'd been studying for nearly a year with wood stoves. That's when I discovered Williams videos on youtube and learned about his Glenwood utilizing this function of using 2ndary air, which then led me to this forum. Interesting how someone already said "the old is new".

Did you end up drilling varying size holes in several caps to get the correct amount of air intake for the 2ndary's? I was thinking just use 2 threaded caps, but cut a rectangle notch, in threaded tubes protruding from stove, about 1/8" wide and 1/4" to 3/8" deep and you could "dial-in" the "optimal" amount of air intake. Just a "twist" on your idea. :D

 
KingCoal
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Coal Size/Type: Nut Anth.
Other Heating: none

Post by KingCoal » Mon. Feb. 27, 2017 5:56 am

Hi Bill,

sorry 'bout that. the project kind of went sideways in the modeling stage. :oops:

the secondary tube dia. and length was a calculation based off combustion chamber ( above the fire ) and fire surface areas. I worked this out from my first project stove and from units like the Glenwoods and others.

i have not resorted to caps, the ends are wide open and the intake has, just like my DS 1400, proven to be completely and reliably self adjusting.

on the other hand, if I had thought of the "slot" idea I surely would have tried it. as it is, I like it not being something I feel like I should be constantly monitoring to have just right.

SunnyBoy Paul first drew our attention to the the 3rd comment in my sig. line and I stand by it.

thanks,
steve


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