Search results for ""
| Results 2541 - 2550 of 3439
|
Page 255 of 344
|
|
Sorted by: Relevance | Sort by: Date
|
Results per-page: 10 | 20 | 50 | All
|
Modern Mechanix, Sept 1931. Cast-off Shoes Make Tires for "Rough Rider" Bicycle IF YOU don't know what to do with your old shoes, here's a suggestion—make bike wheels out of them. No less a unique stunt has been performed by Marie Glory, a well-known Parisian bicycling enthusiast, as the photo…
No, not a bumpy ride. Most likely a cam similar to the "Square Wheel" rides on the swingarm and driven by the main pedal crank. This vehicle was submitted by an employee to the All-Honda Idea Contest in Japan in 1974. Source: Popular Science, Aug 1974. See other Walking Wheels at…
Source: MECHANIX ILLUSTRATED August, 1949 Truck Walks on Wheels ADMIRAL Richard E. Byrd's transport troubles in the Antarctic ten years ago started John F. Kopczynski, a student engineer, thinking: "Why can't wheels walk?" Conventional wheels merely spun and bogged down helplessly in the deep snow. Walking wheels could pull like…
Source: Popular Mechanics, April 1970. 1- SQUARE WHEELS WORK BETTER than round ones in this system for use on rough terrain- The sharp-cornered treads dig in on snow, mud, sand or steep grades, providing increased traction for trucks, tanks and other military vehicles. At the same time, ingenious self-leveling geometry…
The vehicle ПрОП-Ф (PrOP-F), designed by the Russian Mobile Vehicle Engineering Institute, was sent in a space mission to Phobos in 1989 (Kemurdjian et al., 1995). This 45 kg robot was able to move using hops, perform scientific experiments and transmit the collected data and the experiments results to the…
Taking 400-foot 15-second hops, lunar "pogo sticks" could most forward at about 20 miles an hour—much faster than the four to five miles an hour of vehicles now being considered for moon exploration. The moon leaper was devised by Dr. Howard S. Seifert, scientist at the United Technology Center at…
Patent number: 2371368 Filing date: Oct 16, 1942 Issue date: Mar 13, 1945 See full patent details here. Blurb from patent describiting capabilities and uses. This invention relates to a vehicle, and more particularly to a tank which is propelled by means of an operating leg. One Of the objects…
Source: How to Invent: M.W. Thring and E.R. Laithwaite, 1977. In the first stage of an attempt to make a powered artificial leg I analysed the essential mechanism of human walking and produced the device shown above which walks on two legs by bending the knee as the thigh begins…
A Tractor that Walks? Originally posted here on August 11, 2011 by heidrickaghistorycenter The Fageol 9-12 “Walking” Tractor, 3500lbs, 1919. Heidrick Ag History Center.Our collection here at the Heidrick Ag History Center includes this little tractor. Nestled in a line of other comparably sized tractors, you might first notice its because…
In 1824, Gompertz became a founding member of the Society for the Prevention of Cruelty to Animals (SPCA) which later became the RSPCA. He acted for many years as the president of the society prior to resigning for reasons that may have been connected to his radical views or to…