GFS Projects
Encyclopedia
GFS Projects Limited is a British company developing a vertical take-off and landing aircraft shaped like a flying saucer
. The company was established in 2002 by Geoff Hatton, and won a contract with the US government in 2007 to design an unmanned aerial vehicle
.
The GFS Projects design uses the Coandă effect
, unlike the failed 1950s Avrocar project. The GFS Projects design is mechanically simpler, using negative upper surface air pressure caused by the Coanda effect. Scale prototypes capable of controlled flight have existed since 2005, constructed by both GFS Projects Ltd and amateur (enthusiast) UAV builders.
GFS is an abbreviation of Geoff's Flying Saucerhttp://articles.janes.com/articles/Janes-All-the-Worlds-Aircraft/GFS--GFS-Projects-Ltd-United-Kingdom.html.
Collins' invention is intended for civil UAV applications and aerial monitoring of urban areas.
A further paper described for a fully steerable and controllable air space platform accompanied by video footage of lift and attitude control. The Coanda disk concept has a number of attractive features for use in a non hostile environments, however one disadvantage is that flight control presents a heavy power over head compared to other vertical take off and landing air platforms. As a consequence, flight endurance using electric or even internal combustion engines does not compare favorably with helicopters. To overcome this problem, a disk gas turbine engine has been specifically designed to be accommodated on a Coanda disk aircraft.
Flying saucer
A flying saucer is a type of unidentified flying object sometimes believed to be of alien origin with a disc or saucer-shaped body, usually described as silver or metallic, occasionally reported as covered with running lights or surrounded with a glowing light, hovering or moving rapidly either...
. The company was established in 2002 by Geoff Hatton, and won a contract with the US government in 2007 to design an unmanned aerial vehicle
Unmanned aerial vehicle
An unmanned aerial vehicle , also known as a unmanned aircraft system , remotely piloted aircraft or unmanned aircraft, is a machine which functions either by the remote control of a navigator or pilot or autonomously, that is, as a self-directing entity...
.
The GFS Projects design uses the Coandă effect
Coanda effect
The Coandă effect is the tendency of a fluid jet to be attracted to a nearby surface. The principle was named after Romanian aerodynamics pioneer Henri Coandă, who was the first to recognize the practical application of the phenomenon in aircraft development....
, unlike the failed 1950s Avrocar project. The GFS Projects design is mechanically simpler, using negative upper surface air pressure caused by the Coanda effect. Scale prototypes capable of controlled flight have existed since 2005, constructed by both GFS Projects Ltd and amateur (enthusiast) UAV builders.
GFS is an abbreviation of Geoff's Flying Saucerhttp://articles.janes.com/articles/Janes-All-the-Worlds-Aircraft/GFS--GFS-Projects-Ltd-United-Kingdom.html.
Technical background
The concept of creating a disk or polygonal aircraft has been around for many years and there are numerous patent applications but the first relying on the Coanda effect acting on the upper surface alone was first put forward in a paper by R. J. Collins.Collins' invention is intended for civil UAV applications and aerial monitoring of urban areas.
A further paper described for a fully steerable and controllable air space platform accompanied by video footage of lift and attitude control. The Coanda disk concept has a number of attractive features for use in a non hostile environments, however one disadvantage is that flight control presents a heavy power over head compared to other vertical take off and landing air platforms. As a consequence, flight endurance using electric or even internal combustion engines does not compare favorably with helicopters. To overcome this problem, a disk gas turbine engine has been specifically designed to be accommodated on a Coanda disk aircraft.
External links
- Official website - Dead Link, redirects to spam site
- The GFS UAV Project (last updated in 2006)
- Janes All the Worlds Aircraft: GFS Projects Ltd