Send the link below via email or IMCopy
Present to your audienceStart remote presentation
- Invited audience members will follow you as you navigate and present
- People invited to a presentation do not need a Prezi account
- This link expires 10 minutes after you close the presentation
- A maximum of 30 users can follow your presentation
- Learn more about this feature in our knowledge base article
Do you really want to delete this prezi?
Neither you, nor the coeditors you shared it with will be able to recover it again.
Make your likes visible on Facebook?
Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.
Transcript of Unicycling
Anatomy of a Unicycle
1817 - Draisienne
(cc) image by nuonsolarteam on Flickr
1861 - Micheaux's velocipede
1869 - Penny-farthing
1887 - Dwarf safety bicycle
1890 - Safety bicycle
"Taking a header"
1877 - Gauthier's monocycle
The history, the science, the sport
Sports played on unicycles
Sometimes, things go wrong...
Circular Quay - June 2010
How do bicycles / unicycles balance?
Is it because of gyroscopic forces?
Gyroscopic forces are not significant...
Dr. Hugh Hunt (Cambridge Uni)
adds a reverse-spinning wheel to cancel out gyroscopic forces
What is unicycling?
Places where you shouldn't really ride a unicycle...
The taller the unicycle, the easier to balance!
Impossible / BC Wheel
Chris Martin (Coldplay)
Who else rides unicycles?
idling with one foot
seat out behind
seat in front
hopping on tire
stomach on seat
Mountain Unicycling ("Muni")
"Father of information theory"
Kangaroo unicycle = eccentric (off centre hub) with cranks in same direction
There's only one wheel in contact with the ground!
Jack Halpern's 13-wheeler!
World's Tallest Unicycle
Sem Abrahams - 115ft (35m)
Trail - the important factor
How strong are the gyroscopic forces here?
"The stability of the bicycle" - David E.H. Jones, 1970
George Peck - pioneer of "Rough Terrain Unicycling"
"Playing on the swings"
"Weird Chinese unicycle"