Dicycle
A dicycle (
Etymology
In more recent usage, "dicycle" has been used for both pedaled and motorised vehicles with wheels of varying sizes, as long as they share a common axis, though not necessarily a common axle.[2][3][4] In 2017, the Merriam-Webster's dictionary, limited usage to 'velocipedes with two parallel wheels,'[5] and the Oxford English Dictionary limited it to 'pedal-powered vehicles with large wheels placed parallel to each other'.[6]
Examples
Segway PT
The
Self-balancing scooter
The
Diwheel design
The diwheel design has the two large outer wheels completely encompassing an inner frame. The inner frame is free to rotate within the wheels, and is typically supported by a common axle or idlers which roll on the wheels (see figure). Diwheels, like their more popular cousins the
Gallery
-
Otto dicycle (1870s)[11]
-
Dicycle at Delft University of Technology (photo 2011)
-
Airwheel Q5
See also
- Cart – Simple two wheeled vehicle for animal drawn transport
- Uno (dicycle) – Self-balancing electric motorcycle
References
- ^ "DICYCLE | Meaning & Definition for UK English | Lexico.com". Lexico Dictionaries | English. Archived from the original on December 16, 2019.
- ^ "Dicycles: The Scooter Gets a Hip Upgrade". Mashable. 1 May 2013.
- ^ "Crazy Marshall Dicycle is an Electric Motorcycle and Mobile Disco in One". Inhabit. Archived from the original on 2017-05-09. Retrieved 2017-07-03.
- ^ "Jack Mbatu on the dicycle". Eaken.
The dicycles cleared a grove of acacia trees, dodged termite mounds, and darted into a brushy thicket. They were not fast, but could cross rough and complicated landscape with ease
- ^ "Dicycle". Merriam-Webster. Retrieved 2 July 2017.
A velocipede having the two wheels parallel instead of in the same line
- ^ "Dicycle". Oxford English Dictionary. Retrieved 2 July 2017.
A pedal-powered vehicle with two large wheels placed parallel to one another, instead of being in line as in a bicycle; especially a vehicle of the design devised by E. C. F. Otto
[dead link] - ^ "i2 SE Personal Transporter". Archived from the original on May 27, 2016. Retrieved May 24, 2016.
- ^ a b US patent 6,752,231, personal transportation system (2002)
- ^ "EDWARD - Electric Diwheel With Active Rotation Damping". University of Adelaid School of Mechanical Engineering. Archived from the original on 2013-05-19. Retrieved 2015-02-05.
- ^ B. Cazzolato; J. Harvey; C. Dyer; K. Fulton; E. Schumann; C. Zhu; Z. Prime (2009). "Control of an electric diwheel" (PDF).
- ^ "Dicycles and Diwheels - The Otto Dicycle". Museum of Retro Tech. Douglas Self. January 2002. Retrieved 24 February 2022.
Left: The Otto Dicycle: 1870s. Designed by a Mr Otto and manufactured in the 1870s by the BSA company of Britain. Note the little wheel on a stalk at the rear to stop you falling over backwards. Presumably falling forwards was your own responsibility.
External links
- US Patent Class 180/240 Archived 2021-02-24 at the Wayback Machine (lists all the vehicles coming under powered dicycles).
- Dicycles and Diwheels throughout history
- Dicyclet - pedal driven Dicycle by Dutch artist Fred Abels
- EDWARD, an electric dicycle by University of Adelaide students
- Di-Cycle: A Bike That Travels Over Land and Water