Herringbone gears, also called double helical gears, are gear sets designed to transmit power through parallel or, less commonly, perpendicular axes. The unique tooth structure of a herringbone gear ...

Helical gears are cylindrical gears whose teeth are not parallel to the axis of rotation. The teeth are angled and appear as a segment of a helix. Helical gears can transmit power between parallel or ...

The MH-47 differs from its CH-47 sister model with its incorporation of combat systems designed to make the helicopter more survivable on missions deep in enemy territory and during nighttime ...

Originally fielded in the Vietnam War, the CH-47 has undergone a series up upgrades to increase lift and airworthiness in combat environments. Beginning in 1982 and ending in 1994, all CH-47A ...

Invented by Ampex in 1956, helical scan was the only method that was fast enough to record video in real time. Using two-inch tape and running at 15 ips, the going rate for tape recorders of the ...

If you want to reach a satellite in geosynchronous orbit it’ll take a little more effort, and this dual-feed helical “ice cream cone” antenna could really help. Until recently, the dream of ...

The Survivor 47 cast has been in Fiji filming a new season. Early footage of the Survivor 47 cast was shown following the ...

Hiking gear for women has come a long way in the last decade. Traditionally, most, if not all, outdoor equipment was designed for men and male bodies. While this can work for some gear like tents ...

Is Metal Gear Solid 6 more than a dream? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. While there's been no confirmation of a Metal Gear ...

Read on for everything to know about “Survivor 47,” including cast and release information. Bookmark this page (or click through our gallery above) as we’ll be updating it when new details ...

It’s officially “Survivor” season, once again. CBS announced the new Season 47 cast on Wednesday — including one competitor many will recognize. The new season, which kicks off with a two ...

The Minnesota State Patrol says it happened at about 5:46 a.m. on University Avenue/Highway 47 near 85th Street. The victim, identified as Randy Bjurstrom, was walking in the highway's southbound ...