#11  
Old 01-12-2010, 10:19 PM
brickie in oz's Avatar
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Location: Whittlesea
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Default Re: Oven Spit

OK, the weather has cooled down to an agreeable 22c so here it is all fired up and cooking.

The spit frame was a good way to go with the design, I can slide the whole frame in or out to take advantage of the heat, or lack of it, in certain areas of the oven.

I need to make a door that will slip over the rod to retain the heat and smokiness.

Leg of Lamb and Veggies....hmmmm.

Floor temp 200c
Ceiling temp 400c
Motor face 57c
Smell Hmmmm Yum
The Dog waiting....woof

It must be good, judging by the amount of flies hanging around......
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Oven Spit-dscn1468.jpg   Oven Spit-dscn1469.jpg   Oven Spit-dscn1471.jpg   Oven Spit-dscn1472.jpg  

Last edited by brickie in oz; 01-12-2010 at 10:30 PM.
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  #12  
Old 01-13-2010, 01:42 AM
Il Pizzaiolo
 
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Default Re: Oven Spit

looks good brickie,, did you have any problems with it ?? I am feeling inspired after seeing this


Cheers
Mark
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  #13  
Old 01-13-2010, 02:03 AM
brickie in oz's Avatar
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Thumbs up Re: Oven Spit

There were no problems at all, it maybe could have done with a little bit more cooking time, say 20 minutes.

A tight fitting door would probably have had the same effect.
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  #14  
Old 02-07-2010, 05:35 PM
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Default Re: Oven Spit

thanks for that you have given me a great idea i have a heap off stainless sitting around i should weld 1 up does the casing for the motor show any signs off melting
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  #15  
Old 02-07-2010, 09:53 PM
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Default Re: Oven Spit

Quote:
Originally Posted by bris-pizza-oven View Post
thanks for that you have given me a great idea i have a heap off stainless sitting around i should weld 1 up does the casing for the motor show any signs off melting
The motor hardly gets hot via the oven opening, a door would tackle that problem anyway.
The motor would probably get more heat from the stainless rod that holds the food.

Weve used it 3 times so far with no problems.

Heres a chook we did a while ago.....yum
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  #16  
Old 02-08-2011, 11:23 PM
Peasant
 
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Location: Brisbane, Australia
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Default Re: Oven Spit

Thanks for redirecting me to this thread, very useful.

A few questions spring to mind, how heavy is the contraption? And where do you keep it when it is not in use?

I have very limited space and although I could keep it in the oven when not in use I would probably struggle to house it while I was baking pizza etc.

Also...

How useful is it to move the spit around inside the oven? After you gave me the idea (but before I read your thread) I was thinking of mounting a V shaped bracket to the wall at the back of the dome. This bracket would support one end of the spit. This would make it a relatively static spit

The other end was going to be supported by magic, I hadn't gotten around to thinking about that bit yet.

One option would be to have a the spit going through a door plug with the motor mounted on the door.

How important is it to keep the heat in when spit roasting and how important is it to be able to look in and see how it is doing (how wise is it to stare into that much heat in general). The door plug would serve to hold the motor, stabilise it and keep the heat in but getting the spit in and out and checking the progress of the cooking would be a bit trickier.

I would probably have the spit rotated by a cog rather than a belt which would do away with the need to have the two attached, this would make it easier to move the spit and take it in and out without having to move the motor as well, which can stay attached to the door plug.

Rather than have the spit needing to be poked though a hole in the door plug (which would cause trouble getting the food on and off or require that the whole door/motor/spit/food combination be moved as a whole) I could have a horizontal path cut through the side of the plug so the spit could be easily removed from the door.



I like to draw diagrams so that people who know about these things can tell me why it won't work. I understand that the motor and cog in this diagram will most likely just rotate the door plug but I couldn't draw a worm screw.

The handle would need to be quite long and poke out of the oven by a fair bit so you could hold it and move the door plug right out of the way, the door would probably need some grips either side. The handle would just be an insulated sheath that would rotate around the axis of the spit so you could grab it without friction burns and without the ordinary burns.

By having the F-on-its-back-and-mirrored-shape you could disengage the rotating motion and still have the spit supported in the oven.

There would be a fair amount of weight on the spit and there may need to be a way of reducing friction where it touches the door or wall. There would also be some fun in getting the loaded spit in and out without dragging the tip across the bottom of the oven as it will be heavy at one end.

However all-in-all I think it stands a good chance of working and it would mean that the only think I have to store would be the spit, and the door to the oven if I was making pizza.

Glad to hear any constructive criticism, I can get non-constructive criticism at home.

I know it is jumping ahead of myself as I have yet to buy the bricks but it would be easier to do this now than try a retro fit. Any hints or other advice would be great. E.g. would I have to have some extra support for the bracket at the back, would the weight damage the dome or would it be negligible. that sort of thing would be good to know before I start.

Cheers

Mark
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  #17  
Old 02-09-2011, 12:23 AM
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Default Re: Oven Spit

The main problem as I see it is actually holding the weight of the rod and chook, goat, pig etc while you engage all the workings on to the spit.

As they say on here, give it a go and report back.
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  #18  
Old 02-09-2011, 01:26 AM
Peasant
 
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Default Re: Oven Spit

Good point, weight is definately going to be an issue, the bigger the dome, the longer the spit will need to be to reach the back. The longer the spit, the farther away from the handle the weight will be and thus make it harder to control, particularly when aiming for the very back.

The handle is going to need to be pretty long to poke out of the oven anyway, A little longer so that it can be held with both hands about 30cm apart may make it easier to control than just a single hand hold at the very end. Too long and it wil start to sag.

A bigger V on the back wall would make it easier to aim, less accuracy would be needed as the arms of the V would channel the spit to the bottom, the curved surface of the dome would also make it a bit harder.

I think it will be the door plug that is going to need the most 'finessing' to get it to work, it mght just be easier to have a stand at the front without the door, if heat retention is not much of an issue with the roasting then a door won't be necessary anyway.

I will have to have a think about that. Cheers

Mark
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  #19  
Old 02-09-2011, 08:22 AM
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Default Re: Oven Spit

This is a great thread. I do a lot of spit cooking on my grill and have wondered how I could use a WFO instead. This would provide an additional argument to convince my wife that a WFO is an absolute necessity!

The idea of a built-in support at the back of the dome is appealing, but it seems to me that navigating a fully loaded spit in and out of a hot oven is a good recipe for trouble. Especially on the way out, when the cooked food is also hot. I do like the idea of a fully self contained frame supporting the spit, food, drip pans and anything else that can slide in and out without trying to support the far end. It might need additional support in front of the oven - perhaps something like a roller stand (or two) as is used to support long work pieces coming off of a table saw, or even a crude narrow plywood table built to the height of the hearth. It looks like Brickie has a table for that purpose.

Brickie, I would really like to see some pictures of your frame and spit out of the oven that show more of the construction detail, especially the motor end. What a great idea!
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  #20  
Old 02-09-2011, 09:22 PM
Peasant
 
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Location: Brisbane, Australia
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Default Re: Oven Spit

The self contained rack with the roasting tray underneath is definately the way I would go if I had a bit more space to store it when not in use.

I was thinking you could store it for most of the time inside the oven.

However there are several threads about dampness inside the oven and I would worry about the frame rusting inside the oven.

I may end up going that route anyway.

I don't have much space in front of the oven opening to support the frame as it comes out and goes into the oven, the roller is good in that it would mean I wouldn't need a permanent structure but it would mean I had to store the rollers when not in use, handy if you already have them though.

Is there any sign of damage to the floor of the oven after removing the the rack a few times?

I have a few ideas I might run by my brother-in-law who is a welder, the idea involves a drawer-slider that can move in and out of the oven opening and then, when fully out, can swing around away from the opening.

I am sure this will have more difficulties than the original idea but he seems to get a certain amount of entertainment from my designs and I like to keep him amused.

Fortunately I can have ago with one method and if it proves unworkable I can build the frame.

Cheers

Mark
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