Collaborate Disseminate
When it comes to aviation curiosities, few machines captivate the imagination like the Fairey Rotodyne. This British hybrid aircraft was a daring attempt to combine helicopter and fixed-wing efficiency into …read more Continue reading Versatile, yet Grounded: The Rotodyne Revisited
When it comes to transmissions, a geared continuously-variable transmission (CVT) is a bit of a holy grail. CVTs allow smooth on-the-fly adjustment of gear ratios to maintain a target speed …read more Continue reading Behold a Geared, Continuously Variable Transmission
We aren’t sure there’s enough information in the [We Make Machines’] video to easily copy their self-balancing bike project, but if you want to do something similar, you can learn …read more Continue reading A Self Balancing Bike for Crash Dummy Billy
The cable car system of San Francisco is the last manually operated cable car system in the world, with three of the original twenty-three lines still operating today. With these …read more Continue reading Retrotechtacular: 1980s Restoration of San Francisco’s Cable Car System
In the world of transportation, some technologies may seem to make everything else appear obsolete, whether it concerns airplanes, magnetic levitation or propelling vehicles and craft over a cushion of …read more Continue reading The Hovercraft Revolution and Finding the Right Niche for a Technology
E-bikes combine a bicycle with a big lithium battery, a speed controller, and a motor. What you get from that combination is simple, efficient transportation. [Tom Stanton] wanted to build …read more Continue reading Electric Bike Uses No Electronics, Weird Motor
We tinkerers often have ideas we know are crazy, and we make them up in the most bizarre places, too. For example, just imagine hosting a website while pedaling across …read more Continue reading Pedaling your Mobile Web Server Across the Globe
Getting every detail perfectly right is often the goal in automotive restorations, and some people will go to amazing lengths to make sure the car looks and acts just like …read more Continue reading Gas Gauge Upgrade Keeps VW Restoration Classy
Taildraggers remain a popular configuration for small aircraft, but they come with a significant risk during ground handling: ground loops. If the tail gets too far off course, it can …read more Continue reading Tailwheel Trainer Go-Cart To Avoid Wrecked Planes
For a lot of electrical and mechanical machines, there are nominal and peak ratings for energy output or input. If you’re in marketing or advertising, you’ll typically look at the …read more Continue reading Electric Motors Run Continuously at Near-Peak Power