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.Continue Reading
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 build a cardboard solar oven, cut a three-sided flap at the top of a cardboard box, cover the bottom of the flap and the inside of the box with aluminum foil, and glue the foil to make it as smooth as possible. Prop the lid with a stick to reflect light into the box.Full Answer >
Maintain your hot water or steam radiators by adjusting the slope of the inlet pipe, checking the valves and vents for blockages and leaks, and releasing air from the system at the beginning of the heating season. Radiators that make loud clanking noises or drip water require maintenance.Full Answer >
To replace a windshield wiper transmission, first remove the windshield wiper arm, remove the air inlet cowl panel, disconnect the wiring connector from the wiper motor, and then remove the whole wiper transmission assembly from the car. Remove the crank arm from the motor, and finally remove the wiper transmission. Install the replacement.Full Answer >
Build a cornhole game by assembling the playing boards out of plywood, cutting holes in the boards using a hole saw, and creating the toss bags by sewing cloth squares and filling them with corn. Sand and paint the boards as desired before playing.Full Answer >