Popular Mechanics - USA (2022-05 & 2022-06)
didn’t know what we were looking at. We didn’t even test the furnace or the appliances. We took Jed on his word (luckily, his wo ...
Our Wi-Fi hotspot completely changed how we live while camping. With our smartphones and a Verizon MiFi, our internet in the RV ...
pushed us to install a MaxxFan from the begin- ning. We picked a 900-cfm, 10-speed MaxxFan Deluxe that can operate as both an in ...
foundation. Trailers in 1981 didn’t have fancy auto- leveling stabilizer jacks like a modern unit might, so we bought a new set ...
Over- compensate Max towing numbers can be misleading. They’re often higher than your vehicle’s maximum payload rat- ing, which ...
An RS-25 engine performing a hot-fire test. 52 May/June 2022 ...
The space shuttle’s main engine was mothballed with the program in Now NASA believes it’s the future of interplanetary travel. ...
The 212-foot core stage rocket, along with a pair of solid rocket boosters, and the Orion crew module largely make up the Space ...
L E F T : Smoke from a hot-fire test. BELOW: An engine mockup from 1973, eight years before its first flight. company mothballed ...
Three SSMEs sit prominently on the back of the Atlantis space shuttle, pictured here on its final mission in 2011. “I’ve got 16 ...
The SLS’s 212- foot rocket core stage, en route for testing at NASA’s Stennis Space Center. additional testing, as well as inves ...
I T WAS ALWAYS A TREAT when my mother rented movies. I never expected one of them to change my life. In the 1981 film Raiders of ...
then to what it’s all about— artifact hunting. I love recover- ing objects, whether it’s digging deep into the earth or sweep- i ...
powerful magnet. They also vary in combined pull force— or how much weight a magnet can hold—any where from 500 pounds to more t ...
netic. Choose a carabiner with the same or higher breaking strength as your rope, and one with a lock- ing mechanism, which can ...
BY WILLIAM GURSTELLE, MARY GRUBER, AND THE EDITORS OF POPULAR MECHANICS photography by Philip Friedman This historical design is ...
May/June 2022 63 ...
he Roman Empire’s onager catapult used torsion— twisting an object, in this case a restraining rope or spring, by applying torqu ...
1 2 3 4 5 6 MAKE THE CATAPULT FRAME Drill four 1⁄16-inch pilot holes through the 10-inch frame pieces, with the holes 1¾ inches ...
MAKE THE THROWING ARM Drill a 1⁄8-inch hole through the center of the long dowel about ¾ inch from the end [7]. Use the round fa ...
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