Henri Coanda - Coanda Effect

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Henri Coanda - Coanda Effect

Henri Marie Coanda (7 June 1886 – 25 November 1972) was a Romanian inventor, aerodynamics pioneer and builder of an experimental aircraft, the Coanda-1910 described by Coanda in the mid-1950s as the world's first jet, a controversial claim disputed by some and supported by others. He invented a great number of devices, designed a "flying saucer" and discovered the Coanda effect of fluid dynamics.

Life
Early life

Born in Bucharest, Coanda was the second child of a large family. His father was General Constantin Coanda, a mathematics professor at the National School of Bridges and Roads. His mother, Aida Danet, was the daughter of French physician Gustave Danet, and was born in Brittany. He was later to recall that even as a child he was fascinated by the miracle of wind.

Coanda attended Elementary school at the Petrache Poenaru Communal School in Bucharest, then (1896) Began his secondary school career at the Liceu Sf. Sava (Saint Sava National College). After three years (1899), his father, who desired a military career for him, had him transferred to the Military High School in Iasi where he required four additional years to complete high-school. He graduated in 1903 with the rank of sergeant major, and he continued his studies at the School of Artillery, Military, and Naval Engineering in Bucharest. Sent with an artillery regiment to Germany (1904), he enrolled in the Technische Hochschule in Charlottenburg, Berlin.

Coanda graduated as an artillery officer, but he was more interested in the technical problems of flight. In 1905, he built a missile-aeroplane for the Romanian Army. He continued his studies (1907–1908) at the Montefiore Institute in Liège, Belgium, where he met Gianni Caproni. In 1908 Coanda returned to Romania to serve as an active officer in the Second Artillery Regiment. His inventor's spirit did not comport well with military discipline and he obtained permission to leave the army, after which he took advantage of his renewed freedom to take a long automobile trip to Isfahan, Teheran, and Tibet.

Henri Coanda at a meeting with Nicolae Ceausescu in 1967

Aviation activities in France

Upon his return in 1909, he travelled to Paris, where he enrolled in the newly founded École Nationale Superieure d'Ingenieurs en Construction Aéronautique (now the École Nationale Supérieure de l'Aéronautique et de l'Espace, also known as SUPAERO). One year later (1910) he graduated at the head of the first class of aeronautical engineers.


Coanda-1910 airplane

In 1910, in the workshop of Gianni Caproni, he designed and built an aircraft known as the Coanda-1910, which he displayed publicly at the second International Aeronautic Salon in Paris that year. The plane used a 4-cylinder piston engine to power a rotary compressor which was intended to propel the craft by a combination of suction at the front and airflow out the rear instead of using a propeller.

Contemporary sources describe the Coanda-1910 as incapable of flight. Years later, after others had developed jet technology, Coanda started making claims that it was a motorjet, and that it actually flew. According to Charles Gibbs-Smith: "There was never any idea of injecting fuel; the machine never flew; it was never destroyed on test; and Flight noted that it was sold to a Monsieur Weyman." Gibbs-Smith continued, "The claim said that after a disastrous crash (which never happened) Coanda wished to begin a 'second aircraft', but 'his funds were exhausted.' Within a year he was ... exhibiting (in October 1911) a brand new propeller-driven machine at the Reims Concours Militaire..." Other aviation writers accepted Coanda's story of his flight tests with the Coanda-1910.

Coanda's colleague at Huyck Corporation, G. Harry Stine—a rocket scientist, author and "the father of American model rocketry"—stated in his book The Hopeful Future that "there were several jet-propelled aircraft in existence at an early time-the Coanda-1910 jet and the 1938 Caproni-Campini Nr.1, the pure jet aircraft flight was made in Germany in 1938". Rolf Sonnemann and Klaus Krug from the University of Technology of Dresden, mentioned in passing in their 1987 book Technik und Technikwissenschaften in der Geschichte (Technology and Technical Sciences in History) that the Coanda-1910 was the world's first jet.

Between 1911 and 1914, he worked as technical manager of the Bristol Aeroplane Company in the United Kingdom, where he designed several aeroplanes known as the Bristol-Coanda Monoplanes. In 1912 one of these aircraft won a prize at the British Military Aeroplane Competition.

In 1915, he returned to France where, working during World War I for Delaunay-Belleville in Saint-Denis, he designed and built three different models of propeller aeroplane, including the Coanda-1916, with two propellers mounted close to the tail. This design was to be reprized in the 1950s Sud Aviation Caravelle transport aeroplane, for which Coanda was a technical consultant.

In the years between the wars, he continued traveling and inventing. In 1934 he was granted a French patent related to the Coanda Effect. During early 1930 he used the same principle as the basis for the design of a disc-shaped aircraft called Aerodina Lenticulara, a "flying saucer" that used an unspecified source of high pressure gases to flow through a ring-shaped vent system. In 1936 Coanda applied for a patent for his design. No practical full-scale version was built.

World War II

Coanda spent World War II in occupied France where he worked for the Nazis to help their war effort by developing the turbopropulseur (turbopropeller) drive system from his 1910 biplane into a propulsion system for snow sleds.

Later work

Coanda's research on the Coanda Effect was of interest post-war and became the basis for several investigations of entrained or augmented flow. A small stream of a high-velocity fluid could be used to generate a greater mass flow, at lower velocity. Although eventually unsuccessful for aircraft propulsion, this effect has been widely used on a smaller scale, from packaging machinery for small pills through to the Dyson Air Multiplier bladeless fan.

In 1969, during the early years of the Ceausescu era, he returned to spend his last days in his native Romania, where he served as director of the Institute for Scientific and Technical Creation (INCREST) and in 1971 reorganized, along with professor Elie Carafoli, the Department of Aeronautical Engineering of the Polytechnic University of Bucharest, spinning it off from the Department of Mechanical Engineering.

Coanda died in Bucharest on 25 November 1972 at the age of 86. He is buried at Bellu cemetery.

Henri Coanda From Wikipedia

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HENRI COANDA SS LENTICULAR FLUGSCHEIBE
(1940-1944)
By Rob Arndt

Henri Coanda, a Rumanian aeronautical engineer born in 1886, was living in Paris at the turn of the century.

By 1910, Coanda had built the world's first designed jet aircraft - the bi-plane "Turbine Aeroplane" which was displayed during an exposition in Paris.

Coanda, however, missed his critical historic claim to fame while toying with the aircraft's primitive water-cooled 50 hp four-cylinder Clerget motor-driven thermal jet turbine which Coanda called a "Air-Reaction Engine". The motor was connected to a gearbox and then to a compressor which rotated at 4,000 rpm. At the front of the aircraft a huge "Obturator" controlled the amount of air entering the compressor. From the compressor the air then went to the "burning room" combustion chambers located on each side of the fuselage where the engine exhaust was mixed with fuel and ignited, creating very hot expansion of the exhaust which exited through tubes and down the steel-plated sides of the bi-plane producing thrust.

While making slight adjustments while the engine warmed up the thermal jet started the aircraft rolling forward. Not being a pilot, Coanda jumped into the jet aircraft anyway and attempted to fly it. He failed and crashed, being ejected from the aircraft in the process.

Another Turbine Aeroplane was not attempted. However, Coanda noticed that the flames from the engine exhausts went around the protective plates and converged again on the fuselage. This led to Coanda's famous physical phenomenon discovery that when a liquid moves at high speed near a curved surface, it adapts itself to that curvature. This also applies to air, but the flow speed must be much higher for effectiveness. It is a "suction" effect. Thus, the "Coanda Effect" was discovered and Coanda himself quickly experimented with it before filing for three new propulsion patents in 1938.

Patent No. 2,108,652 dated February 15, 1938 concerned airflow acceleration over the periphery of a concave disc.

Despite this remarkable idea, no official interest came of it until the German occupation of Paris in 1940. The SS immediately brought Coanda in and put him to work on designing a large disc to be powered by the latest in German jet engine technology.

Coanda for his part designed a strange lenticular disc with a diameter of 20 meters. It was to utilize twelve Jumo 004B jet engines installed in a radial pattern on its periphery with jet nozzles that forked into three exhaust pipes directed towards the thick external ring. Once lift was achieved, accelerating the engines on one side would cause the other side to go downwards and the craft followed that direction.

Unconfirmed Coanda disc

Arado 234 Blitz jet bomber, 1944

While Coanda's design was a masterpiece of jet disc technology, only scale model wind tunnel testing was performed by the end of the war. Such a machine would not be practical due to the large number of jet engines required - vital engines that the Me-262 Schwalbe and Ar 34 Blitz desperately needed.

The large machine would have also consumed large amounts of aviation fuel of which Germany was critically short of by 1944. So, Coanda did further research into smaller-scale aerodynes while the Reich crumbled around him.

http://discaircraft.greyfalcon.us/Pictures/coanda123.jpg
German Disc Art

Postwar, however, Coanda's work was validated by scientists of the Allied research services which declared his propulsion system suitable in 1949. The Cornell Aeronautical Laboratory in the US during 1952 further added to Coanda's credibility when tests performed using his propulsion system came back with positive results.

The AVRO Canada VZ-9V with a control system based on the "Coanda Effect" was built in Malton, Canada in 1958. Although a failure as a GETOL (Ground Effect Take Off and Landing) craft equivalent to a hovering disc Jeep, the "Coanda Effect" worked.

Coanda subsequently filed new patents in the 1960s for disc aircraft and propulsion systems, but none of his craft were ever constructed... or were they?

USP # 2,988,303 (6-13-61)
Jet-Sustained Aircraft
Coanda, Henri - [PDF][Archived][Available by Request]



Coanda's Postwar Patents









HENRI COANDA SS LENTICULAR FLUGSCHEIBE - Grey Falcon

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Coanda's Airplanes




Early 20th century Coanda Aeroplane - pre-dates Turbine Aeroplane


Coanda's 1910 Turbine Aeroplane


Turbine Aeroplane profile


Turbine Aeroplane front view


Turbine Aeroplane side view


Turbine Aeroplane at 1910 Paris Exposition


Another view of the 1910 Turbine Aeroplane

Coanda's Airplanes - Grey Falcon

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The Coanda Effect by JL Naudin - JLN Labs

By Jean-Louis Naudin
created on September 26th, 1999 - JLN Labs - Last update April 4, 2006

The Coanda Effect has been discovered in1930 by the Romanian aerodynamicist Henri-Marie Coanda (1885-1972). He has observed that a steam of air (or a other fluid) emerging from a nozzle tends to follow a nearby curved surface, if the curvature of the surface or angle the surface makes with the stream is not too sharp.

If a stream of water is flowing along a solid surface which is curved slightly from the stream, the water will tend to follow the surface.



Click here to download the US Coanda Patent US 2,108,652 (pdf)
Click here to download the French Coanda Patent FR 796,843 (pdf)

Now, a very simple demonstration :

    If you approach gently a curved shaped surface (like the shape of the primary hull of the Repulsin) under a stream of water (see below ) :



    The water follows the surface of the curved shape, this is the Coanda Effect (see below) :



The Coanda Effect works with any of our usual fluids, such as air at usual temperature, pressures and speeds.



To understand better the Coanda effect model applied to an aircraft design, I recommend you to read these papers :

1. Navy successfully simulates effect that may improve low-speed maneuverability by J. Slomski and T. Marino - Naval Surface Warfare Center (NSWC) - [PDF][Archived]
2. Misinterpretations of Bernoulli's Law by Weltner, Klaus and Ingelman-Sundberg, Martin Department of Physics, University Frankfurt
3. Fluid dynamics : Governing equations, the Coanda effect By Mihaela-Maria Tanasescu - Department of Physics - Texas Tech University - [PPT][Archived]
4. Ecoulements où la viscosité est négligeable - document du Laboratoire Hydrodynamique et Mécanique Physique (HMP) de l'ESPCI - [PDF][Archived]

The Coanda Effect By Jean-Louis Naudin


RealVideo of the Coanda Effect in action (48kb)

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The Coanda Saucer
or the "Repulsin type A" test

By Jean-Louis Naudin
created on October 9th, 1999 - JLN Labs - Last update October 10th, 1999

The Coanda Effect has been discovered in1930 by the Romanian aerodynamicist Henri-Marie Coanda (1885-1972). He has observed that a steam of air (or an other fluid) emerging from a nozzle tends to follow a nearby curved surface, if the curvature of the surface (or angle the surface makes with the stream) is not too sharp.

The Coanda Effect works with any of our usual fluids, such as air at usual temperatures, pressures and speeds. The Coanda effect is used in the Schauberger's Repulsin (type A) for increasing significantly the main thrust generated by the implosion effect in the vortex.
When the main electric engine is started, the Coanda effect begins to create a differential aerodynamic pressure between the outer and the inner surface of the primary hull. At a higher speed, the vortex chamber becomes a kind of high electrostatic generator due to the air particles in high speed motion acting as an electrical charges transporter...







The experimental setup and test results :

The Coanda Saucer (250 mm diam, 45mm height) has been built with an aluminum sheet. The surface doesn't need to be smoothless, the presence of some surface irregularities can help to improve the coanda flow above it, because this generates tiny vortexes along the arcuate surface. A flat surface (110mm diam) must be set on the top of the saucer, this is the expanding area of the radial air flow. Three small stabilizers made with cardboard have been fixed on the top of the saucer (see the picture below).

The "special outlet adaptator" used for generating the coanda effect is a simple plastic tube ( inner diam : 9mm, lenght: 90mm ) with a simple plastic disc ( 50mm diam, with a 9mm hole in the middle ) glued to this tube. This adaptator allows the air flow to expand radialy along the top surface of the saucer. The green tube (in the picture above) is used for the regulated air flow ( 100 Psi, 7 Bar ) generated by the electrocompressor (model Walmec OL230).

When the compressed air is sent, take the Coanda saucer and approach it to the air outlet. You will notice that, in spite of the high pressure flow output, the Coanda Saucer remains sticked by the depression generated above the surface by the Coanda effect.

The radial air pressure required for lifting 1kg with the Coanda Effect is about 1,4 kg/cm2


The left picture above shows the small stabilizer placed a 120 degres,
the right picture shows the air outlet adaptator.



The Coanda effect can also be used in an Electro-HydroDynamics (EHD) device . In this case, the device will use High Voltage with special shaped electrodes. The differential pressure in the medium ( aether) between the upper surface and the inner surface creates a mechanical force which propels the device in one direction.

The most interesting thing to notice is that there is a direct conversion of electrostatic energy into kinetic energy with no moving parts. The motion of the medium around the ship can be used for producing electrical energy and self-sustaining the primary effect. In vacuum space the surrounding plasma and the aether flow can be maintained in a closed path with some special shaped electrode, so it is possible to use an enhanced EHD ship with a plasma flow embedded in a vortex ( which uses the implosion effect ala Schauberger ) as a space ship.

The Coanda Saucer or the "Repulsin type A" test


RealVideo of the Coanda Effect in action (48kb)

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The E.H.D. Flying Saucer v1.0
By Jean-Louis Naudin
created on April 11, 1999 - JLN Labs - Last update April 18, 1999

The ElectroHydroDynamics ( E.H.D.) may open new ways in advanced propulsion. An EHD device uses a direct conversion of electrical energy into kinetic energy. A specially shaped electrostatic field creates an hydrostatic pressure (or motion) in dielectric media. If the media is a fluid like air (or aether), a flow is produced and this produces a motion of the device. A powered flow of medium (like air or aether) within a shaped electrostatic field adds energy to the system which is picked up (as potential difference) by electrodes and thus produces energy.

This has been fully used and tested by Biefeld, T.T.Brown and A.H. Bahnson in 1958. This has been fully detailled and documented in the book "L'effet Biefeld-Brown" by Alexandre Szames - (ASZ editions ISBN 2-913377-00-9 - EAN 9782913377004)

You will find below a very simple device which shows that an EHD ship can work really. This device is built with a thin aluminum cupola ( the shaped electrode 250mm diameter) and positively charged at 25kV. Above this shaped electrode there is an annular electrode ( 80mm diameter, negatively charged or grounded ). This annular electrode produces a non-uniform field and thus generates an hydrostatic pressure above the arcuate electrode (the cupola). The differential pressure in the medium between the upper surface and the inner surface creates a mechanical force which propels the device in one direction like the Coanda effect in a fluid medium..
The most interesting thing to notice is that there is a direct conversion of electrostatic energy into kinetic energy with no moving parts. The motion of the medium around the ship can be used for producing electrical energy and self-sustaining the primary effect. In vacuum space the surrounding plasma and the aether flow can be maintained in a closed path with some special shaped electrode, so it is possible to use an enhanced EHD ship as a space ship.

The picture above shows the experimental setup :
The EHD-Flying Saucer v1.0 has been tethered with a nylon thread on a plastic arm used as a simple balance hanged on the lab ceiling. The annular electrode has been connected through a thin copper wire on the negative pole (grounded). This thin wire follows the nylon thread then was connected on a wooden pole (on the right). The inner surface of the aluminum cupola has been connected through a thin copper wire (fixed in the middle of the cuppola) to the positive pole of the High Voltage generator (+25kV). I have used the HV power supply from an old computer color monitor (IBM 8512002) (at the bottom-right of the picture).

New : The EHD-FS works also very well with my new 30kVDC-Power supply
(see the diagram and pictures)

When the HV is switched on, a NET THRUST UPWARD is applied on the EHD-FS (see the video below). I have also noticed that the EHD-FS keep its final level as long as the HV is sent and very often translates to the right as shown in the video. When the HV is switched off the EHD-FS lands...

The motion of the EHD-Flying Saucer v1.0 is undeniable and fast, this proves that the effect is real and can be used for building advanced spacecrafts with this kind of technology.

The weight reduction measured was about 14% at 25kV

Notes from Jean-Louis Naudin : WARNING !! this experiment uses High Voltages (25kV), use EXTREME CAUTION, always discharge and disconnect the power supply before touch it.

The E.H.D. Flying Saucer v1.0 By Jean-Louis Naudin


See the RealVideo of the EHD-FS v1.0 flight demo

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The E.H.D. Flying Saucer
Computer Simulations

By Jean-Louis Naudin
created on April 11, 1999 - JLN Labs - Last update April 12, 1999




The picture above is a computer simulation which shows the map of the equipotentials of the E-Field around the EHD-FS


The picture above shows the map of the hydrostatic pressure of the medium such as air or aether, induced by the non-uniform E-Field around the EHD-FS. You may notice that the hydrostatic pressure (which can be compared to aerodynamic pressure) is lower on the upper surface of the cupola than on the inner surface of the cupola. This can be compared to a conventional airplane wing with the extrados ( upper surface of the wing ) and the intrados ( lower surface of the wing ). This differential pressure is the direct cause of the EHD-FS lift.
The diagram below shows the curve of this hydrostatic pressure above the surface of the cupola along the red line. You may see also the speed vectors (the small blue arrows) of the medium around the EHD-FS. When the speed vector is high the pressure is low, so the EHD-FS uses the "Coanda effect" applied to EHD for generating its own lift...



The E.H.D. Flying Saucer Computer Simulations

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The E.H.D. Flying Saucer
A Tri-Arcuate ship simulation

By Jean-Louis Naudin
created on April 14, 1999 - JLN Labs - Last update April 14, 1999



The purpose of this study is to understand how the shape of electrode (the main cupola) may increase significantly the differential hydrostatic pressure thus the lifting thrust applied to the entire ship by the EHD effect. In a previous computer simulation, I have used a simple arcuate electrode, in this case the design is now improved with a tri-arcuate electrode, an annular electrode and also a small spherical electrode placed on the top.

The picture below shows the map of the equipotentials of the E-Field around the entire ship. The cupola is positively charged and the other electrodes negatively charged.





The picture below shows the map of the hydrostatic pressure of the medium such as air or aether, induced by the non-uniform E-Field around the EHD-FS. You may notice that the hydrostatic pressure (which can be compared to aerodynamic pressure) is lower on the upper surface of the tri-arcuate electrode than on the inner surface of the cupola. This can be compared to a conventional airplane wing with the extrados ( upper surface of the wing ) and the intrados ( lower surface of the wing ). This differential pressure is the direct cause of the EHD-FS lift.
The diagram below shows the curve of this hydrostatic pressure above the surface of the cupola along the red line. You may see also the speed vectors (the small blue arrows) of the medium around the EHD-FS.

Compared to an simple cupola, a tri-arcuate electrode seems to give a better lifting efficiency, because the hydrostatic pressure is distributed on all the upper surface of the electrode as you may notice in the diagram below.









The E.H.D. Flying Saucer A Tri-Arcuate ship simulation

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The E.H.D. Flying Saucer v2.0

By Jean-Louis Naudin
created on April 11, 1999 - JLN Labs - Last update April 16, 1999



This version is an enhanced version of the EHD-Flying Saucer v1.0 that I have experimented successfully.
I have added an insulated landing gear (see the picture below) for a better positioning on the main platform.








The EHD-FS v2.0 in action..


The EHD-FS v2.0 landed on the insulated platform.

The E.H.D. Flying Saucer v2.0 By Jean-Louis Naudin


RealVideo of the EHD-FS v2.0 first flight


RealVideo of the EHD-FS v2.0 flight ( close view )


RealVideo of the EHD-FS v2.0 flight ( further away view )

( if you don't have the RealPlayer 5.0, you may download it freely at : http://www.real.com/products/player/ )

For more informations about the setup of the experiment, see also the EHD-FS v1.0

Notes from Jean-Louis Naudin : WARNING !! this experiment uses High Voltages (25kV), use EXTREME CAUTION, always discharge and disconnect the power supply before touch it.

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The GFS-UAV project
A Coanda effect flying saucer

created on March 10, 2006 - JLN Labs - February 25, 2007
Toutes les informations et schémas sont publiés gratuitement ( opensource ) et sont destinés à un usage personnel et non commercial
All informations and diagrams are published freely (opensource) and are intended for a private use and a non commercial use.

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The GFS-UAV project
A Coanda effect flying saucer



The GFS-UAV project
A Coanda effect flying saucer

GFS-UAV N-01A LWC test flights
with a wind speed up to 10 km/h





GFS-UAV N-01A LWC test flights

The GFS-UAV N-01A in Action



Coanda Effect demonstration of working principle



Aesir Coanda-effect VTOL UAV

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The Aviano UFO  February 16, 2007
An analysis with video clip

Internos's Collection
(Additions by Pegasus)

THE AVIANO UFO



This footage has been around for sometime. It was released in the U.S. by researcher Paola Harris at the 36th Annual International MUFON Symposium in Denver, Colorado 2005. Paola lives in Italy and was given a fourth generation copy by an anonimous source who told her the video was recorded in Aviano, Italy near from the infamous Aviano Air Base, center of a UFO controversy.

According to Paola Harris the original videographer remains unknown and the object seems to be terrestial in origin, more properly some kind of military prototype remote controlled. The feature in wich the disc dissapears at the end raises questions for the italian researchers and Paola thinks the military may be involved.

Paola Harris mentioned that this was clearely a flight test since the videographer was in position focusing the camera where the disc appears initially. The object is not CGI. The footage was analyzed in Boulder, Colorado and they concluded this was a physical object most probably a remote control prototype. The case still remains inconclusive.

Santiago Yturria

SOURCE: Rense.com

From Paola Harris:

To All

No! This old Film Footage I have been showing for 3 years and It was given to Us Italian Researchers... not By the Air force. It is our Technology.

I had a cassette examined in Hollywood by my friends Rob and Rebecca Gordon who had the connections and money to do it. It was a 7th generation - copied 7 times - cassette. It was given to us with no explanation. It is a real object in the film. It has been shown in my MUFON and Laughlin Presentations and someone put it on U-TUBE and Google!

This all takes place in the Veneto region of Italy at a place called Ponte di Giulio. Near Aviano NATO Base. It is a dry river bed where the military does maneuvers and the photographer was on a tripod waiting for the object to come out of the woods. I doubt aliens appeared there!

Paola Harris

SOURCE: Forgetomori



Originally posted by free_spirit a member of ATS Post ID3123447

Important statement by researcher Paola Harris regarding the controversy around the alleged UFO footage from Italy.

Amazing UFO Video Shot By Italian Air Force

I met Paola Harris at the IUFOC in Laughlin, Nevada on March 2007. I asked again if she had new information about this controversial footage but she said there are still may unsolved issues regarding this video like the anonimous source that sent copies to several italian researchers. The location is already recognized as Paola
mentioned in her statement.

Last year I also met Paola at the IUFOC in Laughlin when she gave me a copy of the video and told me the same story that she released at the MUFON Symposium in 2005 so the footage by now is somehow old but for some reason arised recently in YouTube and Google awakening the big controversy.A few italian researchers got also a fourth generation copy from the same anonimous source but it seems that they decided not to go along with the story.

Paola was the one who originally released the footage in the US. There are still many questions unanswered even for Paola Harris. I recevied her statement today by email and she requested to be distributed to clearify her involvement.

I would like to have more answers to those questions. It's my point of view that this case will remain inconclusive due to the absence of more information. 



Originally posted by internos a member of ATS Post ID3639757

The film has been firstly sent by an Anonymous to Antonio Chiumiento, who is an ufologist.

In the box containing the film, there was written " I fear".
One year after, it has been sent to other researchers.
The (relatively) better quality of the video on youtube is this one, titled "UFO over a river in Italy":



This is the video of the first time it has been disclosed on TV:


It should have been filmed here:



A closeup of the sighting area...



...some guys went to the area of the sighting [some] time after the sighting took place, and took some pics:



... and the distance between Aviano AFB and the sighting location:



On Google Earth, THIS Ponte di Giulio does not appear in the results of the searches.

The column visible in the film is the one of a hydroelectric grid.
The case, IMHO, is still open, since neiher Paola Harris nor someone else provided proofs of their statements. I honestly don't know the truth about this video: but is true that near Aviano AFB many UFO sightings have been reported.


Frames From Video As Saucer Stops To Hover Then Regains Forward Movement





UPDATE:

The Following post was made at ATS and reprinted with permission of  StargateSG7, a member of ATS

Originally posted by StargateSG7
posted on 30-4-2008 @ 03:52 PM THIS POST ID 4289336

As the elusive StargateSG7 who has previously commented on YouTube about this particular UFO, I understand based upon personal experience in Aviation circles that this craft is a medium scale UAV (Autonomous Aerial
Vehicle) craft that uses mostly COTS (Common Off The Shelf) parts consisting of an aluminum airframe containing a large and very powerful Rotax (i.e. Bombardier) motor that is attached to two counter-rotating
ducted fans (within the craft's centre-of-hull) that also has multiple  thruster ports (as per the blowup photo by Ortonos) to directionally  stabilize the craft on any axis.

The fins on the top of the craft are NOT necessarily used for directional  stability but rather used for directing airflow over the sides of the upper hull so as to create faster moving air thus creating a slight vacuum that
provides EXTRA LIFT - Think of it as a "Virtual Airfoil" design.

As a video production expert and also being very mechanically inclined, I think I can explain the sudden acceleration at the end of the video as a video editing effect used probably for simple artistic reasons or  for "Future Potential" marketing purposes.

As per revelation on the makers of this craft, I did see a table-model of something eerily similar at a sales expo at a certain American Mil-Tech company (R**T***N) who's sales officer commented that Bombardier Aerospace (Canada) had teamed up with an Italian Motorcycle/Airframe Manufacturer, a French military aircraft  maker and a German electronics corp.

Through some diligent digging, I believe that the Italian airframe maker is Motobecane, the German electronics maker is Robert Bosch  (who make avionics) and the French D'assault who makes jet fighters and Specialty CAD/CAM/FAE software (re: Airflow Simulation and Finite Element Analysis products)

The Hystar connection came about when Bombardier was mentioned in 1986 to 1988 being interested in making UFO shaped Lighter-Than-Air ships to use on Forestry/Mining/Logging and heavy cargo lift operations in Canada and around the world and thus they connected to  Hystar Aerospace Marketing Corporation of Maine (Hystar-Maine) formed in 1986 and then merged into Nova Star Innovations of Nevada and eventually shut down.

The Hystar design is the "Ancestor Design" of the Italian UAV craft but it   was too unstable and it's Lighter than Air leanings made it too unwieldy to  ever make it a commercial success BUT by adding vectored thrust and  POWERFUL navigation and Fly-By-Wire systems, the future Italian UAV  design is more than able to work as a Photo/Video Reconaissance craft,  Flying Sentry, Small Scale Cargo Lifter and as a Weapons Delivery Platform.

I also understand that it currently uses JP series aviation fuel but that Diesel versions are in the works to increase the current  25 to 50km range to 200+ km by pressurizing the diesel fuel tanks and using advanced fuel management (i.e. by R. Bosch GMBH) to vastly increase range.

Based upon the design and the probable size of about 4 metres in diameter by 1.75 metres high I suspect it weighs about 250 to 300 kilos dry weight and based upon some further inquiry, I suspect a larger and lighter version made of Carbon Fibre is being developed which will increase the flight performance envelope and carrying  capacities.  I would also NOT be surprised that the Rotax engine itself will be eventually made of a heat-resistant ceramic/composite construction.

Based upon personal experience in real-time machine control software design, that it's a real B**** to develop and test low-latency software that can ACCURATELY control ducted fan airflow, thrust vectoring nozzles, fuel management and still monitor & react to surrounding flight conditions in an autonomous manner.

My own system that I am developing for Photo/Video recon is pretty easy to build of Carbon Fibre and the Engine is a modified Sea-Doo/Ski-Doo Rotax but designing and coding the SOFTWARE for Remote Control (RC) has been an UTTER NIGHTMARE!