The Shop > Metal Stuff
New Furnace Build ,,, Cupola
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John Rudd:
Nice job on the fan discs Rob.... :bow:

Any chance of an explanation on how you did them please? :scratch:
vtsteam:

--- Quote from: RobWilson on June 01, 2013, 03:48:07 AM ---
--- Quote from: vtsteam on May 31, 2013, 09:29:05 AM ---That motor should do the job, Rob!

--- End quote ---

 :lol: :lol: aye Steve its a tad on the large side  , but hey were use what we have at hand  :med:

Rob

--- End quote ---

Definitely Rob! My missus is glad to see me reducing the size of the outdoor treasure pile now that I'm making things with a bit of it. And the shop/storage shed seems to get larger when I do that too for some reason. I can actually crawl in there, now! Hmmm wonder when the next flea market is....

ps. I've read of a few first cupolas which didn't have enough blast to start with, and you may have a cupola extension, too some day, so that bad boy seems like a wise Plan A.

Rob.Wilson:

--- Quote from: John Rudd on June 01, 2013, 06:44:39 AM ---Nice job on the fan discs Rob.... :bow:

Any chance of an explanation on how you did them please? :scratch:

--- End quote ---

Hi John , I screwed the discs to a bit plywood that was fixed to the face plate , turned OD , bored hole , not allot to it  :dremel:

 


--- Quote ---ps. I've read of a few first cupolas which didn't have enough blast to start with, and you may have a cupola extension, too some day, so that bad boy seems like a wise Plan A.

--- End quote ---
 

If in doubt give it more clout Steve  :)  I can always throttle it back  :palm:



Made a start on the tuyere  inspection ports this morning , first off I need to make some flanges ,so I burnt a strip of some 10mm plate , this was cut into three and the burnt edges milled up , one 3mm pass each side sorted that .

 

I made a sheet steel template for marking out and the saw was set over and the lengths of plate were then cut into diamond shapes , the template was then used to mark out the radius's

 

Then the plate was used as a drill jig to mark the hole centers.





The four on the left have temp holes drilled into them for fixing to a fixture for boring , they will be drilled and tapped after welding to tubes .

Time for some lunch me thinks .

Rob

 
vtsteam:
Wow, nice!
Rob.Wilson:
A bit more progress  :dremel: 

Flanges were bored in the lathe .





Then the tubes were welded to the flanges , three washers were used to give some offset for welding.



Tacked


welded


These will be welded to the wind belt after I finish the machining them .





Rob
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