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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Greenhouse?
I want to grow veggies in hydroponic shelf beds
in a greenhouse, year round in my mild northern California climate. I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? What approach is working the best for you and what resources do you recommend? What would you have done differently? Thanks! --Winston |
#2
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Greenhouse?
"Winston" wrote in message ... ... I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. ... --Winston Since you don't have snow I'd make it from pressure treated 4x4 corner uprights with two 2x6 x 12' side beams supporting 2x4 x 10' purlins. Southern yellow pine (SYP) is nearly as strong as oak. I use beams one size larger and 2x4 x 4' diagonal corner braces to hold a heavy snow load. Suntuf polycarb holds up well as roofing. http://www.palramamericas.com/Suntuf_gallery jsw |
#3
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Greenhouse?
In article ,
Winston wrote: I want to grow veggies in hydroponic shelf beds in a greenhouse, year round in my mild northern California climate. I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? You're describing a conservatory. Nice enough if you can afford it, I guess. If steel and powdercoating is cheap enough and you can get sufficent glass free, perhaps it would be, though you'll need a lot more steel to hold up glass than for twinwall polycarbonate rigid glazing, or rolled plastic greenhouse cover. On the plus side, you're describing small, so it won't be that hard to make it strong enough. Remember that greenhouses need adequate ventilation, or things cook in warm (or even cold but sunny) weather. I don't know if you have anything useful in the way of agricultural extension with all the CA budget crises, but if you do, find your local extension agent and see what they have for info. Or look here...(but it's from an eastern state with real winters) http://www.nraes.org/nra_order.taf?_...37#description -- Cats, coffee, chocolate...vices to live by Please don't feed the trolls. Killfile and ignore them so they will go away. |
#4
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Greenhouse?
Ecnerwal wrote:
In , wrote: I want to grow veggies in hydroponic shelf beds in a greenhouse, year round in my mild northern California climate. I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? You're describing a conservatory. Nice enough if you can afford it, I guess. If steel and powdercoating is cheap enough and you can get sufficent glass free, perhaps it would be, though you'll need a lot more steel to hold up glass than for twinwall polycarbonate rigid glazing, or rolled plastic greenhouse cover. On the plus side, you're describing small, so it won't be that hard to make it strong enough. Remember that greenhouses need adequate ventilation, or things cook in warm (or even cold but sunny) weather. I don't know if you have anything useful in the way of agricultural extension with all the CA budget crises, but if you do, find your local extension agent and see what they have for info. Or look here...(but it's from an eastern state with real winters) http://www.nraes.org/nra_order.taf?_...37#description Thanks! --Winston |
#5
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Greenhouse?
On Mon, 10 Oct 2011 18:23:36 -0700, Winston
wrote: I want to grow veggies in hydroponic shelf beds in a greenhouse, year round in my mild northern California climate. I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? What approach is working the best for you and what resources do you recommend? What would you have done differently? Thanks! --Winston ============== Good for you. Google on hydroponics (25,300k hits) or aeropoincs (783k hits) and review what other people have done to avoid reinventing the wheel. Aeroponics seems to be the current hot trick. http://www.futuregrowing.com/commfarms.html http://www.zeitnews.org/biotechnolog...op-garden.html http://www.myairgarden.com/2011/04/m...oponics-tower/ http://gardenings.co/sustainable-gar...c-urban-garden http://video.webnet.lt/aeroponics/ http://marketplace.publicradio.org/d...rt-aeroponics/ http://www.huffingtonpost.com/2011/0..._n_970222.html To avoid raising supermarket produce [not generally cost effective] you may find the following urls helpful. http://www.pepperjoe.com/ http://www.henryfields.com/category/tomato_seed http://www.pennystomatoes.com/ http://www.reimerseeds.com/hidalgo-hot-peppers.aspx http://seedrack.com/tomato.html?gcli...FQk65QodFjMtCQ -- Unka' George "Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants, but debt is the money of slaves" -Norm Franz, "Money and Wealth in the New Millenium" |
#6
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Greenhouse?
F. George McDuffee wrote:
On Mon, 10 Oct 2011 18:23:36 -0700, Winston wrote: I want to grow veggies in hydroponic shelf beds in a greenhouse, year round in my mild northern California climate. I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? What approach is working the best for you and what resources do you recommend? What would you have done differently? Thanks! --Winston ============== Good for you. Google on hydroponics (25,300k hits) or aeropoincs (783k hits) and review what other people have done to avoid reinventing the wheel. Aeroponics seems to be the current hot trick. http://www.futuregrowing.com/commfarms.html http://www.zeitnews.org/biotechnolog...op-garden.html http://www.myairgarden.com/2011/04/m...oponics-tower/ http://gardenings.co/sustainable-gar...c-urban-garden http://video.webnet.lt/aeroponics/ http://marketplace.publicradio.org/d...rt-aeroponics/ http://www.huffingtonpost.com/2011/0..._n_970222.html To avoid raising supermarket produce [not generally cost effective] you may find the following urls helpful. http://www.pepperjoe.com/ http://www.henryfields.com/category/tomato_seed http://www.pennystomatoes.com/ http://www.reimerseeds.com/hidalgo-hot-peppers.aspx http://seedrack.com/tomato.html?gcli...FQk65QodFjMtCQ I Googled but got discouraged when my first few hits were folks selling stuff rather than general info, as you've provided here. Thanks, Unka' George! --Winston -- Now reading...... |
#7
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Greenhouse?
On Oct 10, 8:23*pm, Winston wrote:
I want to grow veggies in hydroponic shelf beds in a greenhouse, year round in my mild northern California climate. *I'm thinking tomatoes, peppers, squash perhaps. The few tomatoes I produced in buckets were excellent and I want MORE! * I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. I'm wondering if I can just weld up a frame from say, 1-1/2" square tube, send out sections for powder coating and use recycled armored glass panes to form walls and ceiling? What approach is working the best for you and what resources do you recommend? What would you have done differently? Thanks! --Winston Winston...check out the local recyclers for building materials. One can use recycled windows/patio doors for the glazing. TMT |
#8
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Greenhouse?
My view, hydroponics just adds unnecessary expense...
I built Milady a high tunnel greenhouse. Crops grow in the soil. Roll up sides and end windows for ventilation. because of my MN location, I did put in a small propane heater, you wouldn't need it. http://www.farmtek.com/farm/supplies...nnels_1 .html If you go this route, I'd be glad to consult. Karl |
#9
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Greenhouse?
Jim Wilkins wrote:
wrote in message ... ... I can devote say 10' x 12' with the majority of the slanted roof facing South. I want to spend less than $1500 and I would like to be finished within 5 months or so. ... --Winston Since you don't have snow I'd make it from pressure treated 4x4 corner uprights with two 2x6 x 12' side beams supporting 2x4 x 10' purlins. Southern yellow pine (SYP) is nearly as strong as oak. I use beams one size larger and 2x4 x 4' diagonal corner braces to hold a heavy snow load. Suntuf polycarb holds up well as roofing. http://www.palramamericas.com/Suntuf_gallery Thanks, Jim. The lumber I can get isn't nearly as stout as that available elsewhere, based on the casual 'swayback' look adopted by the 4x4 floor joists in my tiny storage shed (over only 8 feet). I will add four concrete piers at the midpoints (5' and 6') and at center to make the floor look kind of flat. To CAD I go! --Winston |
#10
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Greenhouse?
Karl Townsend wrote:
My view, hydroponics just adds unnecessary expense... I built Milady a high tunnel greenhouse. Crops grow in the soil. Roll up sides and end windows for ventilation. because of my MN location, I did put in a small propane heater, you wouldn't need it. http://www.farmtek.com/farm/supplies...nnels_1 .html If you go this route, I'd be glad to consult. Thanks, Karl. The professional and efficient grounds crews employed by one of my neighbors like to rid themselves of concrete scrap by launching it over our common fence, so I require hard walls to survive the bombardment. --Winston |
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