64 results found displaying 16-18
   
Kevster
 USA
Ultimate commuter bicycle Printer Friendly Version
Over ten years ago the ultimate fluid drive bicycle was invented by Douglas Brackett. This idea will transform that invention into the ultimate augmented drive cycling machine for commuters by introducing a micro-engine driven hydraulic rotory pump that feeds the same hub motor as does the variable piston pump driven by the pedal cranks. A control/relief valve will govern the top speed to meet legal requirements regardless the engine speed.
Reward: The duel independent drive systems will meet Federal requirements for cycling streets and trails w/o any need for license, registration or insurance. The problems this closed system will solve are: exhausting commutes, chain, rear tire and friction wheel excessive wear and maintenance/replacements; bike imbalance due to side mounted engines; and inconvenient adjustments for wet weather conditions. Other rewards include the 200 mpg ecomomy of using a micro-engine as well as its possible application on a fold up bike. An all round happy ride.
 

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24°

   
Robert Tyldesley
 United Kingdom
Travel lite Printer Friendly Version
Today airline passengers travelling on "low cost" airlines do not want to waste their precious luggage allowance checking in heavy suitcases. Many low cost airlines restrict passengers to exceedingly low permitted weights of check in luggage. Ryanair allow 15 kilo and charge $20+ per kilo for excess. There is a market for a strong ultra lightweight wheeled carrier combined with for an ultra lightweight bag. Ideal would be a "hi tec" folding wheeled carrier which can be used in combination with "check in" and "carry on" luggage. The days of "designer label luggage" could be over if the traveller could opt for a trusted engineering product which would deliver a practical solution to a 21st century problem. Have more ideas about this design.
Reward: Contribution to an agreed charity
 

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18°

   
scooterman
 USA
Monorail transit on the Interstate Printer Friendly Version
Build rapid electromagnetic monorail system for passengers and light commercial shipping, using the median space between the lanes. Of course, overpass supports would have to be re-configured and the system would have to be protected by some type of barrier or fence. This project would create thousands of jobs and, when completed, would offer an efficient, clean means of mass transport.

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80°

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