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  #341  
Old 07-08-2013, 11:48 PM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

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Originally Posted by Bec1208 View Post
I will be using CF blanket. Any concerns?
Wear a space suit when handling it.
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  #342  
Old 07-09-2013, 01:50 PM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

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Originally Posted by Bec1208 View Post
I will be using CF blanket. Any concerns?
Gudday Bruce
Like Al said those fibers are a concern so use PPE.
In wondering how you were going to marry the front of the oven and the insulation/ cladding. You'll have 2 in of insulation and 3/4 inch cladding? And doesn't appear that you have much of a oven lip to butt that too. Off course I'm just looking at the photos
Regards dave
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  #343  
Old 07-09-2013, 03:38 PM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

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Originally Posted by cobblerdave View Post
Gudday Bruce
Like Al said those fibers are a concern so use PPE.
In wondering how you were going to marry the front of the oven and the insulation/ cladding. You'll have 2 in of insulation and 3/4 inch cladding? And doesn't appear that you have much of a oven lip to butt that too. Off course I'm just looking at the photos
Regards dave
Al, no space suit (sadly) but did wear gloves and a mask. I actually found it easier to work with the cutting the cf board.

Dave I am thinking I will end up with an entry. I loosely laid out the blanket and have at least 4 " with 5" on the top. I decided not to do the cladding, as feedback from the forum was basically go ahead if you want but not much benefit either in the thermal or structural departments. Open to suggestions on dealing with the limited self of the inner arch. It seems to me that an entry would solve the issue. I have a used 8" adapter plate that I paid $22 for. Maybe do the outer arch and install the plate . Know any good examples of relatively easy to build entries?
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36" build in Tallahassee - AKA Bruce's Folly-image_25b40f5e-f95e-4963-87fd-ea30e2e0dc2e.jpg  
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  #344  
Old 07-10-2013, 04:14 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

Gudday Bruce
I can't think any any builds that go into much detail. Lately the most common entrance way is brick usually an arch following the shape of the entrance only bigger in size to leave a revel for the door.
What's your thoughts on what's a usable size in height and width for you in the chair? In saw the pics of you trying out the peel would I be right in saying the width would be better to be bigger?
One suggestion would be to extend you oven entrance by 1/2 brick to help you finish the insulation and render to allow you time on the entrance?
What are your thoughts
Regards dave
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  #345  
Old 07-10-2013, 04:49 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

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Originally Posted by Bec1208 View Post
Know any good examples of relatively easy to build entries?
My suggestion would be to build the entry in semi-circle form. This shape will give you plenty of room for your door, good visibility, and is stronger than an arch with straight sides. As a plus, it's easy to build.

Only one brick length needed, the depth will be 9.5" or so.
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  #346  
Old 07-10-2013, 05:12 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

I wanted to share the technique for laying out semi-circle (Roman) arches. Here's an example with arbitrary numbers

First, you need to know your span...lets say 20 inches. Draw a center line at 10" that crosses (at a 90* angle) span line ( spring line) on both top and bottom, at least 20". Now lets say your rise is 10"...mark that on your center line. You now have three points of a triangle.

Next, measure your distance starting from the center point of your rise, to one sidepoint of your span...right or left. Now, draw a line between these two points, and mark the center.

Using the line you just made, set a square on the line on the center point. The square is now crossing your center line below the high point of your rise. Draw a line along the square until you cross the center line.

This point is where you set the point of your trammel or whatever you are using to trace the arch. Now you have a perfect semi-circular shape for your form ( called centering in masonry).

If you know this already, forget everything I just typed.
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Last edited by stonecutter; 05-07-2014 at 07:16 AM. Reason: Added detail
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  #347  
Old 07-10-2013, 05:13 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

Quote:
Originally Posted by cobblerdave View Post
Gudday Bruce

What's your thoughts on what's a usable size in height and width for you in the chair? In saw the pics of you trying out the peel would I be right in saying the width would be better to be bigger?

Regards dave
Thanks Dave,
I went back and looked at the photos, the only problem I remember in Colorado was the height which was awkward (pics 1 & 2). You may be thinking of pic 3 from a few days ago. It is actually a heavy mop that I was using to swab the back of the oven. I don't think a 9"-12" entry will be cause problems working from the chair.
Attached Thumbnails
36" build in Tallahassee - AKA Bruce's Folly-image_faf29357-4258-4f78-b2d1-90357b8f3ef0.jpg   36" build in Tallahassee - AKA Bruce's Folly-image_f6a31c11-82c0-4d5f-8344-27f7e8b1761b.jpg   36" build in Tallahassee - AKA Bruce's Folly-image_ec2078a7-614f-46e9-9ec2-76eabc76986d.jpg  
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  #348  
Old 07-10-2013, 05:30 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

Quote:
Originally Posted by stonecutter View Post
I wanted to share the technique for laying out semi-circle (Roman) arches. Here's an example with arbitrary numbers

First, you need to know your span...lets say 20 inches. Draw a center line at 10" that crosses your span line on both top and bottom, at least 20". Now lets say your rise is 10"...mark that on your center line. You now have three points of a triangle.

Next, measure your distance starting from the center point of your rise, to one sidepoint of your span...right or left. Now, draw a line between these two points, and mark the center.

Using the line you just made, set a square on the line on the center point. The square is now crossing your center line below the high point of your rise. Draw a line along the square until you cross the center line.

This point is where you set the point of your trammel or whatever you are using to trace the arch. Now you have a perfect semi-circular shape for your form ( called centering in masonry).

If you know this already, forget everything I just typed.
Stonecutter, I need all the help I can get working out the arch. I think I understand your instructions and will try the technique shortly. Assuming I am able to successfully trace out the arch, what is the next step? If you assume total ignorance on my part, you are still likely overestimating my knowledge. Thank, Bruce
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  #349  
Old 07-10-2013, 05:52 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

Something that is nice to work with and makes nice forms, is 2" rigid foam insulation board.

You can trace your shape on it, then cut it with a jig saw ( fine tooth blade) dry wall saw, or razor knife. The later won't cut all the way through, so you snap it like dry wall, then clean it up.

Make three of these and you can screw them together for a fast easy form. I had foam EIFS board laying around, and that is what I used for my entry centering.

I won't be online until later but I can diagram this technique later if you run into trouble.
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Last edited by stonecutter; 07-11-2013 at 05:50 AM.
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  #350  
Old 07-10-2013, 09:51 AM
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Default Re: 36" build in Tallahassee - AKA Bruce's Folly

Quote:
Originally Posted by stonecutter View Post
I wanted to share the technique for laying out semi-circle (Roman) arches. Here's an example with arbitrary numbers

First, you need to know your span...lets say 20 inches. Draw a center line at 10" that crosses your span line on both top and bottom, at least 20". Now lets say your rise is 10"...mark that on your center line. You now have three points of a triangle.

Next, measure your distance starting from the center point of your rise, to one sidepoint of your span...right or left. Now, draw a line between these two points, and mark the center.

Using the line you just made, set a square on the line on the center point. The square is now crossing your center line below the high point of your rise. Draw a line along the square until you cross the center line.

This point is where you set the point of your trammel or whatever you are using to trace the arch. Now you have a perfect semi-circular shape for your form ( called centering in masonry).

If you know this already, forget everything I just typed.
I tried to draw this out, but the arc would curve in about 3" before meeting the outer edge of the side.

The entry's dimensions are: 18 1/2" across hearth floor with 2" of brick to the outside. The height from the floor to the peak of the arch is 12 1/2" with 4" of brick face to the top. The distance from the hearth floor to the top of the stand is 6". The distance left between the front of the oven and the front edge of the stand is 13".

Thanks again. Bruce
Attached Thumbnails
36" build in Tallahassee - AKA Bruce's Folly-image_f41981be-f672-4bde-9c5a-ef69b3fdc50e.jpg  
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