str8_pimpin
Well-Known Member
I have a 250watt HPS growing system. But i dont have a reflector to Put the bulb into. Is there any items at home i can use to make a reflector and still get the maximum light and heat?
Can I make a Reflector/Hoodshade for my 250w HPS light with household items?
- Thread starter str8_pimpin
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abudsmoker
Well-Known Member
this IS a area i recomend you dont skimp. if you make one make sure your materials are fire PROOF
str8_pimpin
Well-Known Member
Cookie Sheet, WTF...lol
What about a Cardboard box, with foil wrapped all around the cardboard.
What about a Cardboard box, with foil wrapped all around the cardboard.
str8_pimpin
Well-Known Member
A cookie sheet would burn though. At least i think it would.
str8_pimpin
Well-Known Member
thx you guys...im taking a trip to home depot today.
str8_pimpin
Well-Known Member
The thing is After i bend it up, How would i connect the Socket to it....to actually hold it into place to put the bulb in??
Al B. Fuct
once had a dog named
Cardboard isn't the way to go over an HPS- if it doesn't ignite, it'll char and fall to bits in a few days.
Here's one easy way to make an efficient batwing reflector.
This can be made from aluminum sheeting, easy to bend and cut. Your hardware store will have sheets at least large enough to cover the bottom panel of a screen door. You can always pop-rivet a couple of sheets together to make larger reflectors.
Mark the centre of a piece of aluminum.
Roll it into a cylinder of about 12" dia
Unroll partially and C-clamp the sheet to a workbench, aligning the centreline marks up to the bench's edge. The edge of the bench will allow you to bend a fairly straight 90 degree crease in the sheet.
Form the double parabola reflector shape as shown in side view.
Adding a couple more 90 degree folds about an inch inward from the outer edges, parallel to the centre fold, will add some stiffness to the reflector.
Paint the underside with high-temp flat white paint.
Attach the socket by wrapping a 12" x 3" piece of sheet aluminum around the porcelain socket, pop-rivet or bolt the sheet to itself to pinch the socket in place.
The tail of the sheet can then be pop-riveted to the reflector.
Hang the fixture with open-link or jack chain.
Here's one easy way to make an efficient batwing reflector.
This can be made from aluminum sheeting, easy to bend and cut. Your hardware store will have sheets at least large enough to cover the bottom panel of a screen door. You can always pop-rivet a couple of sheets together to make larger reflectors.
Mark the centre of a piece of aluminum.
Roll it into a cylinder of about 12" dia
Unroll partially and C-clamp the sheet to a workbench, aligning the centreline marks up to the bench's edge. The edge of the bench will allow you to bend a fairly straight 90 degree crease in the sheet.
Form the double parabola reflector shape as shown in side view.
Adding a couple more 90 degree folds about an inch inward from the outer edges, parallel to the centre fold, will add some stiffness to the reflector.
Paint the underside with high-temp flat white paint.
Attach the socket by wrapping a 12" x 3" piece of sheet aluminum around the porcelain socket, pop-rivet or bolt the sheet to itself to pinch the socket in place.
The tail of the sheet can then be pop-riveted to the reflector.
Hang the fixture with open-link or jack chain.
green_nobody
Well-Known Member
^^ home-made spread-a-wing reflector, cool 
thumbs up dude
thumbs up dude
Al B. Fuct
once had a dog named
thanks folks.
This can be scaled down to the size of a large CFL. I think FilthyFletch has a 12" CFL which is supposed to be equiv to 300W of incandescent. A little batwing like this made to that size, perhaps for a pair of those jumbo CFLs would be kinda cool.
This can be scaled down to the size of a large CFL. I think FilthyFletch has a 12" CFL which is supposed to be equiv to 300W of incandescent. A little batwing like this made to that size, perhaps for a pair of those jumbo CFLs would be kinda cool.
str8_pimpin
Well-Known Member
Thanks a million Al, But I got confused about the part where you say how to "Pop-Rivet" the Socket into place. What does Pop-Rivet mean and how do you do it. And What is the size of this sheetCardboard isn't the way to go over an HPS- if it doesn't ignite, it'll char and fall to bits in a few days.
Here's one easy way to make an efficient batwing reflector.
This can be made from aluminum sheeting, easy to bend and cut. Your hardware store will have sheets at least large enough to cover the bottom panel of a screen door. You can always pop-rivet a couple of sheets together to make larger reflectors.
Mark the centre of a piece of aluminum.
Roll it into a cylinder of about 12" dia
Unroll partially and C-clamp the sheet to a workbench, aligning the centreline marks up to the bench's edge. The edge of the bench will allow you to bend a fairly straight 90 degree crease in the sheet.
Form the double parabola reflector shape as shown in side view.
Adding a couple more 90 degree folds about an inch inward from the outer edges, parallel to the centre fold, will add some stiffness to the reflector.
Paint the underside with high-temp flat white paint.
Attach the socket by wrapping a 12" x 3" piece of sheet aluminum around the porcelain socket, pop-rivet or bolt the sheet to itself to pinch the socket in place.
The tail of the sheet can then be pop-riveted to the reflector.
Hang the fixture with open-link or jack chain.
Al B. Fuct
once had a dog named
Pop rivets are a very inexpensive permanent fastener.
They come in assorted sizes and are fitted with a special pop rivet tool. The tool pulls a nail-like shank backward through the rivet body, deforming it until it fits the hole perfectly.
When the rivet is as tight as possible, the shank will break off, making a loud POP noise- hence the name.
Pop rivet tools are cheap as chips in dollar or discount shops.
The size can be anything you want, or at least limited to the size of sheets of aluminum you can get at your local giantmuthafuckinhardware store.
The width should probably be about 1.5x the length of the HPS tube you're going to install, but it can be anything you like. The double parabola shape will duct heat away from the tube even in a very large reflector.
You could also make the reflector smaller, perhaps 2.5' wide, put a couple of standard sockets near the outside edges and fit a pair of very big 12", 300W incand. equiv CFLs like FilthyFletch's, tube ends near one another.
Al B. Fuct
once had a dog named
I've had another pass at the socket mounting bracket. It would work better with only a minimal increase in materials if made as shown:
Increase the length of the aluminum sheet from 12" x 3" to about 20" x 3". Form two tails and bend into a Y suiting the shape of the batwing. Pop rivet both tails to the reflector.
This will improve the stiffness of the socket mount, especially for 1000W HPS lamps, as well as stiffen the reflector itself a bit.
Increase the length of the aluminum sheet from 12" x 3" to about 20" x 3". Form two tails and bend into a Y suiting the shape of the batwing. Pop rivet both tails to the reflector.
This will improve the stiffness of the socket mount, especially for 1000W HPS lamps, as well as stiffen the reflector itself a bit.