#31  
Old 04-03-2008, 08:43 PM
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Location: SC usa
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Default Re: Hearth Height and operator ratio science!

Quote:
Originally Posted by Xabia Jim View Post
CJ's tall customer had a .61 ratio. And if I was using that Modena commercial it would be at .65, higher for shorter help!

It looks like we're running into an average ratio in the low .5's to the mid .6's so far.

What we need to hear from are unhappy customers....Is anyone willing to admit that their hearth height is too low or too high? What about ratio's below .5 or above .65?

Or are WFO users just so happy having a oven like me that they're glowing on cloud 9.
Just went out and measured my pizza oven hearth... Since I never planned for others to be cooking out there, I built it for me. The hearth is at 59 inches, which makes my ratio right at .75 One consideration I had in building it that high was that I wanted to make the smoker oven underneath it big enough for a full pig if I ever to the point of smoking one. It doesn't seem too high for me, I still have to bend slightly to see into the back of the oven.
Even though I planned to all the cooking, my wife ended up doing some of the pizzas at the last party, Ratio for her is .85!...i heard some griping from her, but the pizzas went in and came out okay.
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  #32  
Old 01-07-2011, 06:28 PM
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Location: DFW area, USA
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Thumbs up Hearth Height and operator ratio science!

Happy to find this old thread!

My ratio is .759

Its high, but being an old Bell UH-1 helicopter pilot, my back hurts most all the time anyway....Why aggrevate it having to bend over to work/look in the oven? Arms are still strong, back is weak

My hearth height is 50 7/8 inches tall. At the current height of about 5' 7", (I used to be 5' 9") that oven floor height seems comfortable given my age and conditions

I'll make the oven landing a bit shallower and use long handled tools to compensate for the higher oven height.

Last edited by Lburou; 04-02-2011 at 01:21 PM. Reason: fuzzy math
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  #33  
Old 01-07-2011, 11:34 PM
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Default Re: Hearth Height and operator ratio science!

If you find it's a bit high, it is easier to make a step than dig a pit if it's too low.
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  #34  
Old 01-08-2011, 10:08 AM
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Default Re: Hearth Height and operator ratio science!

"If you find it's a bit high, it is easier to make a step than dig a pit if it's too low."

Err on the high side. Raising the oven afterword would be a bit of a challenge.
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  #35  
Old 01-10-2011, 02:18 PM
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Thumbs up Re: Hearth Height and operator ratio science!

Quote:
Originally Posted by Neil2 View Post
"If you find it's a bit high, it is easier to make a step than dig a pit if it's too low."

Err on the high side. Raising the oven afterword would be a bit of a challenge.
I agree. I've read several members here report a desire for a higher oven height. I wanted to be sure there would be no bending. Thanks for the reassurance.
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  #36  
Old 01-10-2011, 04:05 PM
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Default Re: Hearth Height and operator ratio science!

I wish I would have built my hearht higher - 8 inches at a minumum
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  #37  
Old 01-10-2011, 04:51 PM
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Default Re: Hearth Height and operator ratio science!

"I wish I would have built my hearht higher - 8 inches at a minumum"

Do you have a structural suspended slab on a block wall ? You may be able to jack it up one block course.
- Pick the middle course (height wise), jackhammer out the block and concrete on the block next to each corner.
- Cut the rebar (if present) with your angle grinder.
- Put a temporary block in and wedge it well.
- Remove the remainder of that course.
- Rent or borrow 4 low rise hydraulic jacks. One ton jacks should be sufficient. Place them in the corners, make sure they are perfectly level.
- Jack slowly, wedging/blocking as you go.
- When you reach the full block height, mortar in new blocks. Let set, remove jacks and mortar in corner blocks.
- Keep pets and kids back 20 feet throughout above.

Last edited by Neil2; 01-10-2011 at 04:57 PM.
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  #38  
Old 01-10-2011, 06:47 PM
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Default Re: Hearth Height and operator ratio science!

I read somewhere that the ideal height was 1m. I think you get used to whatever you have. Ours is 850mm which puts the fire at eye level for seated guests, which is rather fun to watch the fire.
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  #39  
Old 01-11-2011, 10:24 AM
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Default Re: Hearth Height and operator ratio science!

My hearth is also pretty much set at eye level for people seated at the patio. Works for my height as well.
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  #40  
Old 01-12-2011, 06:11 AM
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Default Re: Hearth Height and operator ratio science!

When i built my hearth stand, i added one row of half blocks to the standard instructions. My oven floor is set on 3" of ceramic insulation, and is at 45" from ground level. i'm 6'2", so 45/74 = .608 It works for me, and i think that if i had built it any higher it would have looked out of place. i plan on starting a full post of my build, but i have to find all of the memory cards.... with teenagers in the house it's not going to be easy.
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