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Old 08-30-2012, 01:02 PM   #1
Varroa
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Default Banjo burner heat shield

I present to you my bango burner heat shield design. What do you think?

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Here is the link to the google sketchup I made for it.

http://sketchup.google.com/3dwarehou...e4d625ef97f18d


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Old 08-30-2012, 05:00 PM   #2
jlachesk
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That is a nice looking shield.

Any additional details on the construction (materials, plans, tools)?

Thinking I could use one of these :-)


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Old 08-30-2012, 05:24 PM   #3
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Plans are attached in the google sketchup link. I have a friend that works at a metal fabrication place and he cut the design from a sheet of galvanized steel (which I need to burn off before using) using a plasma CNC bench. You could cut it by hand with the right tools (jigsaw).
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Old 08-30-2012, 10:49 PM   #4
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Ah, excellent. Explains the immaculate fit and finish. I'm thinking I can hack up something similar functionally (tho not aesthetically).

Thanks for the input!
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Old 08-31-2012, 12:04 AM   #5
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Are their vents on the back of the skirt of the keg to let the draft out? How dose it draft?
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Old 08-31-2012, 12:25 AM   #6
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I haven't tried it yet but if venting is needed I will use a hole cutting saw to drill a few holes in it.
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Old 09-10-2012, 02:32 PM   #7
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I had a chance to try the new heat shield this weekend. I brewed a 10 gallon batch of Irish Red. The shield was more efficient for boiling (I reached a boil faster) but it did have some issues. The heat built up underneath the heat shield and then spilled out under the sides of it. The heat that spilled out was super heated and it melted my rubber handle on my valve. I think I need to design a version 2.0 that is wider and has longer wings (and maybe a hole for lighting the burner).
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Bottle/Kegged: Belgium Dubbel Blonde, Centennial Honey Blonde, Throwdown Oatmeal Stout, Throwdown Milk Stout, Festabrew Czech Pilsner, Hard Sparking cider On Deck: Varroa's Wee Scottish Heavy, hard sparkling cider
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Old 09-10-2012, 02:44 PM   #8
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Maybe a small "chimney tube" or vent out of the back or side to let the heat out & direct it away from the kettle/brewer/brewing area ?
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Old 09-10-2012, 03:06 PM   #9
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I will try a hole on the back for venting (and to make lighting easier) but I am also going to get a larger one made and compare the two models.
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Bottle/Kegged: Belgium Dubbel Blonde, Centennial Honey Blonde, Throwdown Oatmeal Stout, Throwdown Milk Stout, Festabrew Czech Pilsner, Hard Sparking cider On Deck: Varroa's Wee Scottish Heavy, hard sparkling cider
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Old 09-10-2012, 03:21 PM   #10
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I did a similar thing a few weeks ago. A buddy from work had some aluminum flashing left over from a project. I double-walled it and screwed it into the existing heat sheild using the bolts holding the burner. I hoped that double-walled it would hold up... As you can see, it got a little toasty.

It did decrease the time to boil, however, which was awesome! I either need to switch to steel or wrap the flashing over the outer legs, traveling upward along the bottom of the keggle. We'll see.


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