Gym Ball Pizza Oven for less than $250 - Part 1
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- Опубликовано: 8 сен 2024
- This is the first part of putting together a pizza oven. I built this dome using Perlite, Cement, a gym ball, couple bucket cutouts, and a 4' x 4' x 1/2" plank. All for less than $60.
Perlite used:
www.amazon.com...
Got questions around perlite and cement amounts used, so the whole bag of Perlite was 4 cubic foot, and I used a bit more than half. Cement was the regular 94lbs portland, and I used about half that bag.
Question about the ball size and the plank used: Even though it's a 52 inch ball, it was not fully inflated and the plank was sold as 8x4 and cut in half to get 4x4. It probably was an inch or two larger too as the lumber places often cut them a bit larger than exact measures.
Another question: Where I got the ball from?: It was from Walmart. I don't see it available anymore and see the prices of the gym balls in larger sizes got very high around March-May 2020 due to people start working out at home and demand for those gym balls increasing.
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Thank you for this tutorial i AM going to do this in my garden.
Good luck! Hope you can put a video of your build.
I love the way you done this really want to achieve this for my garden. If you don't mind please send me all the things used in this video omg can't wait 😊
Happy to hear you like it and want to make your own... Hope you film it and put on youtube so we can see it as well. All the material that I had used are listed on descriptions of part 1 to 3 videos.
Well done video. I am hoping you will comment at end of videos how well it has held up over time.
Amazing. Great job
Hola, te escribo desde Uruguay, cómo se llama la perlita? El nombre técnico?
Gracias!
Hola a Uruguay desde USA. Lo siento, no estoy seguro de si hay otro nombre técnico para ello. Solo veo "perlita" en todas las listas de proveedores. Son las mismas piedras polvorientas volcánicas blancas que se usan en la tierra para macetas. Espero que esto ayude.
@@fixiteasy9080 muchas gracias!!! Si ahora me doy cuenta cuál es, es muy útil tu información...se agradece, saludos desde el otro lado ! 😀
@@alfonsoamandola5135 De nada. Me alegro de que haya sido útil. ¡Salud!
Great looking oven I’m going to build one but useing pearlite and satanite mortar. It’s great refractory
Thanks. Good luck with your build....
Hi you said you used 54 inch gym ball. Please confirm is it 54 inch or a 55 cm ball. Because 54 inch gym ball can't fit in a 4 x 4 feet table
Hi... please see the notes on video above. In short, ball is not fully inflated, and the plank might be an inch or two larger than 4 feet. Hope this helps
All of any lumber supply sells 4x8 sheets of plywood and they are exactly 4ft x 8 ft no more & no less. And I'm sorry but no way is that a 52 inch ball. Nice build though.
I followed your design and it came out great! I have a question- would the sand/cement mix work on the inside of the oven? I keep knocking off pieces of the perlite/cement mix on accident with tools and I want to strengthen the inside of the oven
Hi, I'm glad to hear your build was successful. I was worried about the same thing and thought about doing the same , but ended up going with perlite mix only and got used to it and now don't really worry about it at all... The mix in the inner dome does a great job keeping the heat inside and keep the rest or outer shell cool. I am not sure if a layer of cement inside would stay fine with 1000+F temperatures.
This is brilliant. I will try one. will you coat the outside so it doesn't look so concrete? how well did it hold heat? Great video. love the written instructions. thank you
Thanks... I did think about coating it, but was too lazy :) it still looks concrete, but not an eyesore I think. Might be a good update though...
Hi! Looks great 👌🏻☺️ Will try to build one here in Sweden. How hot does it become on the outside of the oven? Will a wooden fence behind it accidentally start to burn? Grateful for a reply.
Hi, Thanks Malin. It doesn't get hot at all. I think I have a section in one of the videos showing that with a thermometer. The fire blanket really works well to keep the heat inside. You can probably see the wood slats behind my oven. They're totally safe :) Good luck with your build and please let me know how it turned out.
Great job! You mention 52" ball as the size. Is this correct? Reason for asking - the base is 4ft x 4ft which is 48" x 48" - smaller than the 52" ball, but the ball fits into the base. Was it the degree of inflation? I'm thinking of using a 60" ball I have found.
Thanks! I think someone else also had asked the same question. So, the ball is not fully inflated at all, and it kinda is squeezed right in the middle for stabilizing. If you're using a larger ball, I suggest building it on a very sturdy base and don't plan on moving it anywhere. With this 52" ball, the weight is substantial, so a larger ball size would be even heavier. Good luck with your build, and please make a video, so we all can see it.
@@fixiteasy9080 . Thanks for the reply. Mine will be placed on a rendered besser block stand with wood storage underneath. Just waiting for the ball to arrive. Never done a You Tube vid. See how I go. Cheers
Fixit easy, how many bags of concrete and how much perlite did you use? The local big box has 90Lb bags of Portland cement .
Good question. I thought I had that on the video, but the whole bag of Perlite was 4 cubic foot, and I used a bit more than half. Cement was the regular 94lbs portland, and I used about half that bag.
fixit easy awesome. Great video and thanks for the info.
I build mine over the weekend...I forgot to leave a hole for a Temp gauge.
Do you think is possible to drill a hole for the temp without damaging the structure? Thanks!!
I am not sure, but probably you can drill a hole with a sharp bit and a gingerly approach I guess. But, for temperature, I usually use a laser/infrared temp gun most of the time. I also use a cheap stainless steel in oven temp gauge now and then. you could also attach the temp gauge on the door if you're building one.
what is the diameter size of that yoga ball?
How many days is it dry???
2 questions. First one is silly but I’m using a slightly smaller ball, what is the best way to measure the circle size you will need to cut out the ball hole on the plywood initially? Secondly, if you use a perlite and cement mixture, will this be okay for withstanding heat? Just got a bunch of my initial materials in and excited to start.
Well, the size of the ball is actually your radius for the circle you'd cut on the plank, but I suggest cutting a bit smaller radius circle than the ball radius so the sides of the ball fits in the hole with more pressure. That helps with its stability while rendering the perlite mix. If you don't know the size of the ball, just blow it up and have it touch on the wall and with a stick, do a 90 degree angle to the floor on the exact opposite end and measure the distance between where stick touches the ground and the wall. I did use a perlite mix and it's been withstanding more than 1000F. After 2 years, no issues with the heat. Hope my answers help, and good luck with your built.
Muy buen trabajo .que materiales usas.porcentaje?. En español por favor.english no entiendo. Gracias sdos cordiales
Gracias. Para la cubierta interna, utilicé 5 partes de perlita, 1 parte de cemento y aproximadamente 0,75 partes de agua. Para la cubierta exterior, utilicé 5 partes de arena, 1 parte de cemento y 1 parte de agua. Espero que esto ayude. Gracias por el comentario.
For the height of the tunnel, I measure my dome height at 23 inches. 68% is about 15.5 inches. When I make that a semi circle it seems way too wide for every other one I have seen. Any suggestions?
Well, I looked at several other builds and that's what they all used. I don't think it would matter too much if you make the door narrower though. The door can be a semi oval I reckon.
Hello , can i use vermiculite ?
Hi, I did see builds using vermiculite instead of perlite, but some say how vermiculite is sourced differs between regions. Some producers use toxic materials in their vermiculite production. If you're sure the specific brand/supplier you get the vermiculite is using safe methods to produce, it definitely is a perfect substitute.
Fine! Thank you for the video. How is the stove now? Not burst? Do you have regular cement?
Thanks. I just posted an update video: ruclips.net/video/F59_4v7RkQA/видео.html
Impressive but man seems like a LOT of work better hope you get it right ..For $879 and a couple clicks, I had a Terraforno SS Wood-Fired Oven delivered within days and I’ve been cooking awesome pizzas ever since... I love it!
I did think about getting an oven like yours and decided to build myself because of a few reasons: first, the ones that were not crazy expensive were not large enough. For example, yours is 25" x 30" = 5sqrft cooking surface. Mine is 14.5 sqrft, almost 3 times larger. Also, I wanted to try some bread making too, which needs to keep the temperature on a level for a while without adding more logs into the oven. I couldn't see a stainless steel oven doing that; might be wrong though. And of course, it would be me building it, so it was a lot of fun while everything is fully customized to me, unlike most store bought ones :) Anyways, having a pizza oven definitely beats not having one, so enjoy yours, and make lots of pizzas...
Hello friend, aquestion, there have been cracks due to use?
Thanks.
Hi, I saw only one small hairline crack between chimney and the door on the outer shell and it didn't impact anything.
How can it be a 52” ball but the table is 48”x48”?
Answered in the Description:
Question about the ball size and the plank used: Even though it's a 52 inch ball, it was not fully inflated and the plank was sold as 8x4 and cut in half to get 4x4. It probably was an inch or two larger too as the lumber places often cut them a bit larger than exact measures.
Quick question about the ball size. If the plywood was 4’x4’ how was the ball 52”?
The ball was not fully inflated and the plank was sold as 8x4 and cut in half to get 4x4. It probably was an inch or two larger too as the lumber places often cut them a bit larger than exact measures. Hope this answers.
fixit easy do you know the final internal diameter of the dome? Thanks!!!
@@freddy4130 I think it was around 47 inch or so.
Where did you buy that 52 inch yoga ball? I've been looking everywhere for it. The largest one I can get on amazon is 37.5 inch (95 cm)
wait a minute. if that's a 4x4 plank the ball cant be 52 inch. What diameter did you use?
I got the ball from Walmart 2 years ago, and I don't see it being sold anymore. With the virus and everything, I think large gym balls are on demand since folks are working out at home a lot. The ball is not fully inflated at all and the plank was sold as a 8x4 cut in half, but yards sell them not in precise measures most of the time, it probably was an inch or two larger than 4 feet. Hope that helps.
Where did you get a 52" ball from?,,,,,,,,,,,,,,
From Walmart... It was too expensive on Amazon.
ordinary cement or fireplace cement ?
Ordinary cement. It's called Portland cement here in the states. Refractory cement was pretty expensive and unnecessary.
If I only use cement and water, will this still work?
I am not sure. I'd think the chance of it having cracks and not keeping the heat as well would be high, but I don't claim to be an expert. Sorry...
keeps it well in the heat, how long it took from you made it until it was dry enough for you to use it ?
Yes, so far so good. The outer dome dried up like in 2 days and I did small fires too... inside dome dried up more like 10 days.
hi, i will start building with my father, from where did you get that metal plate for the opening?
Hi, you mean the chimney opening? That was from Home Depot.
hello, how did you moved the dried dome to the bricks base? was it difficult to manipulate? thanks
Hi, after it dried out, it was not heavy at all. I could pick it up easily. Perlite is almost weightless and can be blown out with even a slight breeze. But I got help because it's pretty wide and I wanted to see where I was going.
@@fixiteasy9080 thanks
I just built mine... do you think I could put the insulation with the gym ball still in it or is that not advisable?
Congrats... Insulation is on the outside right? so, you can put it on top, but I'd also check for the weight a bit. I don't think it would cause any issues like collapsing since the insulation is probably not heavy, but also you'll likely be carrying the dome to a platform that'll be its final place, added weight might cause issues carrying it. Just a caution. Good luck and let us know how it turned out for you.
Hi
Can you please tell me where did you buy this 52" ball?
Thank you
Hi, it was from walmart and pretty cheap two years ago around $28 or so. I don't see it available anymore and see prices of the large size gym balls have gone up quite a lot.
52 inch gym ball? Did you mean CM?
It was a 52 inch ball, but not fully inflated. It fit into a 4ft x 4ft board
Great video thanks! where did you get your 52" gym ball? Can seem to find any that big.
Thanks... I bought it online from Walmart. I don't see it available there anymore, but I see even a bigger one on Amazon: smile.amazon.com/Gymnic-Megaball-Group-Activity-Fitness/dp/B001UFSLJ6/ref=psdc_17388462011_t2_B000FPYH7W
Is the gym ball 52inches or 52 cm since 52inch ball is huge and it costs almost 200$? I guess you may have a typo there?
@@faydogan2456 It is a 52 inch (132cm) ball. Like I said, I can't find it anymore on Walmart. This was 2 years ago and I was very surprised to see it selling for $26.
@@fixiteasy9080 The cheapest 52in ball in Amazon is around 187$ now :) Thanks for your quick reply though.
@@faydogan2456 Yes, looks like with the stay at home orders, those things are very much in demand at all sizes. I guess I was very lucky at the time I bought mine...
Quick question: did you keep it moist or cover in saran wrap during the drying period?
Hi... I really didn't need to keep it moist as it was inside the garage and temperatures were around 55-60F during the curing/drying. Underneath the dome was on the plastic ball with saran wrap though.
Thanks. I’ve been reading conflicting info on drying
@@StornowayCG I can tell you don't want it to dry really fast to prevent cracks or flaking, so if it's a hot environment, then moistening might be necessary.
fixit easy it’s in my garage and it’s rain season here in toronto
great video thanks for sharing! does the perlite has a specific size for its particles?
Sorry, just saw the comment. Thanks... You definitely don't want to use very small size perlite and make sure there's not much dust. The one I used was like 1/4 inch size on average.
shouldnt be less then 2" thick
Another question. What do you estimate the weight is? Mine looks about the same size as yours
I think it's around 350-400 lbs. That's why the caster wheels are not rolling :)
What do you estimate the upper shell part weighs? I’m trying to figure out how I’m going to lift it onto the base.it’s still drying right now
@@StornowayCG You mean the inner shell? That should be pretty light. Maybe around 50lbs.
fixit easy ok thats what I was wondering. Thanks
What ball size did you used
Please see the notes at video description too, but it was a 52 inch gym ball that wasn't fully inflated.
the perlite is from chement?
I believe it's some sort of a volcanic rock. Very light.
Do you mix sand with cement?
On the outer shell yes... on the inner shell, no.
@@fixiteasy9080 thanks
Hello,
Great oven. Can you tell me what the outside temperature of the oven is when in use?
Thank you
Hi, Thanks. To my surprise, the outside temps are not any different than other surfaces around, so like depending on weather and sunshine, around 75 - 100 F I guess.
Wow that’s it. I would assume that when the oven is in use the outside temp of the oven would be slightly lower than the inside.
@@jdt8826 Yeah. While inside goes up to 800-1000 F + outside stays around 75-100F
The temperature differential is amazing. Goes to show how well built you made the oven. Great job with the oven and thank you so much for answering my questions. Your the best.
Joe
@@jdt8826 Hey Thanks Joe... Glad I could help.
What type of perlite? Homedepot??
Viagrow 4 cu. Ft. Perlite from Amazon
@@fixiteasy9080 how many of those?
@@OscarGonzalez-jw3ov only one bag was more than enough.
@@fixiteasy9080 Thanks!
Where did you get a 52" ball from?
Walmart... it was too expensive on Amazon.
More importantly... How did he miraculously fit a 52" ball/hole within a 4' x 4' sheet of plywood.
In all seriousness it's probably a typical 75-85cm ball (30"-33" inches)
@@MrPhilGainer Hi Phil, good question. So the table base is from a 8 ft x 4 ft plank I got from home depot cut into 2 right in the middle and called it 4x4. Supposed to be a 48"x48" plank, but ended up measuring 51"x52". I guess they don't cut lumber that precise but make sure it's at least that big. And I probably didn't fully inflate the ball either. hope it helps.
@@fixiteasy9080 If one side is only 48" to begin with, it's not going to get larger after being cut.
Also, the yellow level in video pt 2, with 24" ruler on the side, indicates your final table is only 48x48.
So the oven, with ~2-4" wall thickness, leaves an interior/ball diameter in the 40"-42" range... Give or take... Most likely a 105cm yoga ball.
@@MrPhilGainer Did you actually read @fixit easy's reply? He said the 2'x2' plywood actually ended up being 51"x52" when measured (presumably the plywood was originally cut inaccurately, like dimensional wood.)
Это не может быть 52 дюйма мяч!
У вас лист фанеры 4 фута длина и ширина
Это 52-дюймовый мяч, но не полностью надутый. Спасибо за комментарий.
Tu nun stai buon ma che cazz è cumbinat