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  #21  
Old 04-29-2009, 12:12 PM
geisen's Avatar
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Join Date: Jan 2009
Location: Chula Vista, CA
Posts: 216
Default Re: Hendo's dome gauge -- nice idea

PHIPHAM
Hendo's gauge was inspirational and spawned many a great dome.
I am currently using one of the Hendo gauge offspring that takes his great idea and improves on it with a clamp to insure each brick's distance AND angle is perfect.
Check it out at:
http://www.fornobravo.com/forum/f28/...heme-2985.html (My indispensible tool (a variation on a FB theme))

It has made the dome a no brainer (perfect for me).
Also using "the angleizer" to take the brain work out of the arches.
Availble at HD, see it on my thread.
Good luck.
Regards
Greg
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  #22  
Old 06-24-2009, 10:48 AM
Il Pizzaiolo
 
Join Date: Jun 2009
Location: So. Orange County, CA. USA
Posts: 1,156
Default Re: Hendo's dome gauge -- nice idea

I've been mulling over this tool and how I'm going to build it. I'm going to prototype a tool made from a lazy susan, 2 models are available at Lowes. Look for Waxman and lazy susan. It's not a great advantage to have the bearing, but that for $6 to $10 I have 360 degrees covered. Next by connecting a horizontal rod across the upper, free, rotating plate I can cover the pivot for the vertical changes. I'm leaning toward a threaded hoizontal rod with aircraft bolts to attach it to L brackets at the edges of the lazy susan and two more to bracket the rod at the center point that sets the radius. So this part of the unit in the end is like a universal joint on truck. Mount the whole thing to plywood or masonite or whatever you need to to have a steady, non moving base.
Comments?

Chris

Last edited by SCChris; 06-24-2009 at 06:43 PM. Reason: minor edit
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  #23  
Old 11-14-2009, 08:38 PM
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Join Date: Oct 2009
Location: Tannum Sands
Posts: 35
Default Re: Hendo's dome gauge -- nice idea

Thought I would share my variation of the indispensable tool with what I think is the next step in innovation.
For the universal joint I have used a magnetic door stop from the local hardware store. The shaft is made from some dowel and it all screws together. The advantages for this design is
  • Able to be constructed with no welding
  • Allows infinite accurate movement in all directions without sticking or catching that you would get with hinges or wire
  • The end has a spring so if clearance is required the spring will allow ~2-3mm clearance
  • Can be removed easily at the end of the day or to attach a pen etc. Can be removed without getting into the oven.

The base just screws to the plywood in the oven. (more pictures when I start)
Attached Thumbnails
Hendo's dome gauge -- nice idea-my-indespensable-tool.jpg   Hendo's dome gauge -- nice idea-secret-universal-joint.jpg   Hendo's dome gauge -- nice idea-magnet-door-stop.jpg  
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  #24  
Old 11-14-2009, 09:33 PM
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Location: Kaysville, Utah
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Default Re: Hendo's dome gauge -- nice idea

Great idea. More pictures.
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  #25  
Old 01-06-2011, 02:00 PM
Serf
 
Join Date: Jan 2011
Location: India
Posts: 1
Default Re: Hendo's dome gauge -- nice idea

Very nice and original idea.
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  #26  
Old 09-07-2011, 09:00 PM
Serf
 
Join Date: Sep 2011
Location: USA
Posts: 1
Default Re: Hendo's dome gauge -- nice idea

I am a newbee here, this is a valuable piece of info. for me.
Thank You
Ric
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  #27  
Old 02-13-2013, 08:39 PM
Peasant
 
Join Date: Oct 2012
Location: Waikato New Zealand
Posts: 48
Default Re: Hendo's dome gauge -- nice idea

Just thought I would also share my design as it has been brilliant and robust. It is also adjustable if you need to, say for supporting those funny fill in bricks around a chimney or something.

Hope it helps someone

http://www.fornobravo.com/forum/f28/...ope-18895.html (Indespensible Tool - Good Design - I Hope so)

As you will see I have been reusing materials from an old chimney in a bid to be "slightly eco" and this has been invaluable.

All the Best - Andy
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Hendo's dome gauge -- nice idea-tool.jpg  
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  #28  
Old 09-12-2013, 09:41 AM
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Il Pizzaiolo
 
Join Date: Jul 2010
Location: Seattle
Posts: 1,330
Default Re: Hendo's dome gauge -- nice idea

I have been wondering why so many new builders come up with the idea of making an IT where the pivot rod hits the brick at the top. I finally decided to see what the sticky suggested and VOILA! I found that these directions on how to build an IT are INCORRECT

All credit to Hendo for coming up with the first design on this - but many of us have found the flaw with this design. An it built this way will result in an oven with each course staggered backward a bit from the previous one. This is because each brick is slightly off axis to the pivot, as the brick is not centered on the pivot.

Here is an example from a thread I saw today
Hendo's dome gauge -- nice idea-picture1.jpg

Here is a graphic explaining taken from another thread (Trouble with setback on brick courses. Need advice.)
Name:  29790d1338376921t-trouble-setback-brick-courses-need-advice-photo0528.jpg
Views: 512
Size:  1.5 KB

To work properly, the IT pivot rod needs to hit each brick in the CENTER (measured from top to bottom). This will give you a smooth radius to your dome
Hendo's dome gauge -- nice idea-it_fix.jpg

/rant

Dennis
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  #29  
Old 09-12-2013, 04:32 PM
Il Pizzaiolo
 
Join Date: Jan 2012
Location: Australia
Posts: 1,011
Default Re: Hendo's dome gauge -- nice idea

Dennis

Dennis

I agree I found this on the first and second course on my oven However I was using arch bricks variable profile, to minimise gaps and end with almost finish, doing a flatter dome, so needed the adjustable IT worked a treat to avoid this.

But with a fixed hemisphere Dennis is completely right so pay attention
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Last edited by oasiscdm; 09-12-2013 at 06:45 PM.
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  #30  
Old 11-14-2013, 03:33 PM
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Join Date: Aug 2013
Location: Virginia
Posts: 237
Default Re: Hendo's dome gauge -- nice idea

I have an IT that I'm done with now and had gotten from Kurtloup and made some modifications, so if anyone wants it, please message me privately. It doesn't come with the angle tool, but I recommend buying one from Lowes.
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Hendo's dome gauge -- nice idea-dsc_0472.jpg  
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