To build a solar furnace, attach lumber boards to a plywood back panel to form a box, insert the can stacks into the box, drill the hose and air inlet holes at the top and bottom respectively, and paint the surfaces black. Finally, place the furnace in the sun.Know More
Measure and cut a plywood for the back panel, and cut out the sides, top and bottom from a 1- by 4-foot lumber. Glue the boards to the back panel, and secure them together with screws. Seal all the joints with adhesive caulk to prevent air escape.
Caulk ten cans to form a stack, and put it in the box. Repeat the process for the other cans, and let the caulk dry. Drill a hole through the top panel of the box for the vacuum hose, insert the hose, and caulk around the hole. Drill another hole at the bottom of the box, and match it with the bottom of each stack for letting cool air into the box.
Paint the cans and the inside surfaces of the box black and paint the entire exterior surfaces of the box. Black pain absorbs heat from the sun. Cut out a piece of plexiglass that fits the box, and cover it to the box, and then caulk and secure it with screws. Lastly, set the furnace in the sun.
To drain the water from a GE SmartWater Heater, turn off the gas to the unit, allow the water to cool, attach a garden hose to the drain, direct the hose to a safe location for the water to drain and open the valve. The process takes a few days.Full Answer >
Draining water from a boiler system requires turning off the power, hooking up a hose to the drain spout and using a bleed key in the connected radiators. Place the end of the hose in a sink or other suitable drainage location before opening the radiator.Full Answer >
A basketball backboard can be built by cutting a rectangle from plywood, painting the aim point and trim and attaching it to an elevated surface or structure. People tend to anchor the backboard on the exterior of a house or other structure to provide the best stability.Full Answer >
According to NASA, solar panels create electricity due to silicon's propensity for releasing electrons when struck by the sun's rays. By harnessing this flow and directing it, a solar panel creates an electric current as long as the sun's energy is striking its surface.Full Answer >