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  #41  
Old 07-25-2013, 08:49 PM
Peasant
 
Join Date: Jul 2011
Location: Arizona
Posts: 48
Default Re: 39" Oven in AZ

You two rock! I am looking forward to getting back on track!
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  #42  
Old 07-27-2013, 10:55 AM
Peasant
 
Join Date: Jul 2011
Location: Arizona
Posts: 48
Default Re: 39" Oven in AZ

OK. While beating my head against the oven while trying to figure where I had gone wrong with the Inverted V angles I could not resist doing the arch. I'm not super happy with how it came out but I'm sure I could have done worse.

This morning I went out to start some cutting and I noticed a crack in the wedge near the keystone. Is this a fatal flaw?
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  #43  
Old 07-27-2013, 11:08 AM
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Join Date: Apr 2010
Location: Minneapolis, MN USA
Posts: 1,240
Default Re: 39" Oven in AZ

Not perfect but not bad, I think you will be very happy you chose that type of arch. It will make your transition to the dome quite easy. Remember to start your courses at the arch, cutting the bricks next to the arch first, creating those odd shaped bricks last will cause more headaches, if you need to get both sides of those bricks perfect by creating them last.

Transition to an ideal brick over the next 1 - 3 bricks and you will be golden, no one but you will ever see the area right next to the inner arch. Unless you show us photos of course.
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Last edited by mrchipster; 07-27-2013 at 11:12 AM.
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  #44  
Old 07-27-2013, 04:00 PM
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Join Date: May 2012
Location: Salt Lake City, Utah
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Default Re: 39" Oven in AZ

Mr Chip and Dj,

Glad you are helping Mr. G. Must of miss the latest postings. With my jig I did use the JCG31 spreadsheet data as a baseline with my bevels and angles vs Hendo's approach. Mr. G, whether it is DJ's or JCG31's data, the numbers get you in the ball park. Each build is slightly different and so a little adjusting is always in the stars. Good luck.
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  #45  
Old 07-27-2013, 09:35 PM
Peasant
 
Join Date: Jul 2011
Location: Arizona
Posts: 48
Default Re: 39" Oven in AZ

Is there actually a spreadsheet that JCG31 put out with his chart?

I started a jig like hendos as I'm still unsure how to correctly incorporate your jig into the method.

patrick
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  #46  
Old 07-28-2013, 09:04 AM
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Default Re: 39" Oven in AZ

Your right, it is not really a spreadsheet but a data sheet. I think at one time jcp31 was going to thread the data calcs but I never saw it. You can accomplish the same with Hendo's angle iron jig by using wedges for vertical and horizontal lift across the entire surface of the brick. But nothing wrong with Hendo's approach, just can't use the numbers from one process to the other.
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  #47  
Old 07-28-2013, 10:57 AM
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Default Re: 39" Oven in AZ

Quote:
Originally Posted by UtahBeehiver View Post
...just can't use the numbers from one process to the other.
JCG's graph translates from one process to the other. The numbers on the horizontal (x) axis are the "slope" that would be used for the vertical lift on a Hendo Jig. The numbers on the vertical (y) axis are the "bevel" that corresponds for the Beehive Jig.

So, reading the chart, for your current course with a 12 degree "slope" you should be using a 1.2-ish degree bevel to get the "V" right.

I PM'd JCG to see if he could send me the supporting spreadsheet but not sure he is very active on the forum any longer. If I have some time I will try to work it out. I think it's a constant formula, just not good enough at trig to do it quickly!
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Last edited by deejayoh; 07-28-2013 at 11:36 AM.
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  #48  
Old 08-12-2013, 06:41 PM
Peasant
 
Join Date: Jul 2011
Location: Arizona
Posts: 48
Default Re: 39" Oven in AZ

Had a long weekend so I was able to put up a course on Saturday and another this afternoon. Thank you thank you again to Dennis and Chip and Russell for getting me back on track.
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Last edited by Grtiz; 08-12-2013 at 07:37 PM.
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  #49  
Old 08-12-2013, 07:22 PM
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Default Re: 39" Oven in AZ

Looks like you figured out the angles. Coming along nicely.
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  #50  
Old 09-01-2013, 07:56 PM
Peasant
 
Join Date: Jul 2011
Location: Arizona
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Default Re: 39" Oven in AZ

Been awhile since I posted but I'm making progress slowly
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