Lucien Chauvière Aircraft

[hesham]

Hi,

The little known Lucien Chauviere Gyroptere of 1927,which powered by one
230 hp Renault engine.

 

[Jemiba]

Regarding to the Chauviere Gyroptere, the first look may be
misleading. It's not an autogiro, but a true compound helicopter.

 

[hesham]

Hi,

The little known Lucien Chauviere Gyroptere of 1927,which powered by one
230 hp Renault engine.

Here is a strange drawing to Chauviere autogyro aircraft.


http://gallica.bnf.fr/ark:/12148/bpt6k6568235f.image

 

[hesham]

Thank you my dear Apophenia for illuminate me,

and also from Aerophile 1914,here is a tandem wing monoplane for Captain Hayot,which I spoke before about it here;

https://www.secretprojects.co.uk/threads/multi-wings-airplanes.25577/#post-277788

 

[Apophenia]

Your link shows Louis Adolphe Hayot's one-off multiplane (built by Lucien Chauvière) and tested near Beauvais in the spring of 1909. The illustrations above are of one of four 2-seater 'double monoplanes' developed by Captain Hayot from 1912 to 1914. The object of the latter was providing automatic stability.

"The other 4 designs were all 2-seat tandem-wing monoplanes; the high parasol rear wing was set close behind the high parasol front wing, at a lower angle of attack. All 4 had rear monoplane elevators and single rudders. The positions of the wings in these 4 designs moved further and further forward, the pilot always below the rear wing and the passenger/mechanic below and to the rear of the forward wing. Descriptions of Hayot's device remain unclear. The wings were mounted on frames which oscillated freely fore and aft on the sides of the fuselage to damp oscillations of the machine between 2 stable positions. It appears that the inventor was pleased with the lack of sensitivity of his controls, and that he continuously increased the power of his machines from 50 to 100 hp, at the same time reducing their weight."

French Aeroplanes Before the Great War, Leonard E. Opdycke, Schiffer Military History, 2004, page 150.

Of the tandem wings, the rear set was smaller and had a lesser angle of attack. The support posts pivoted at either end, allowing the wing panels to pivot back and forth. Wing movement was limited by weights.

"The tandem planes act as a brake against pitching, and the longitudinal "V" promotes stability. The machine passes from one position of equilibrium to another, under control of pilot, without oscillation; small inadvertent movements of the controls are without appreciable effect. The position of the pilot below the wings facilitates vision and helps in landing.

An apparatus of this type is now under construction. Its dimensions are: Surface, 35 sq. m.; spread, 13 m., total length, 8.65 m. ; weight, empty, 550 kg.; useful load, 450 kg.; power, 100; speed expected, 115 km. per hour."

Aeronautics, June 1913, page 118
-- https://archive.org/stream/aeronautics1314aero/aeronautics1314aero_djvu.txt

A couple of other views.
-- http://flyingmachines.ru/Images7/Aerodrome/439-1.jpg
-- http://flyingmachines.ru/Images7/Aerodrome/439.jpg

'Automatic stabilizing apparatus for aeroplanes.' Louis Adolphe Hayot
- Filed 13 Aug 1912, grated US patent 21 Sept 1915
-- https://patents.google.com/patent/US1154396

Louis Adolphe Hayot. Beauvais, France, 976,S76, Nov. 29, 1910. Filed Aug. 31, 1909. AEROPLANE. Automatic equilibrium by dihedral wings jointed at the shoulder, moving forward and back in a horizontal plane.

'Ejector for apparatus for sustaining and propelling aeroplanes and for other uses.'
- Filed 18 Feb 1913 by Louis Adolphe Hayot, US patent granted 18 Aug 1913
-- https://patents.google.com/patent/US1069694A/en

 

[hesham]

Hi,

we spoke about that designer before,and here is all of his activities;

Some biographical elements taken from the Universal Aviation Dictionary:

Lucien Chauvière was born in Paris on February 11, 1876. Engineer of Arts
and Trades, he became interested in the propeller problem from school.
He realizes his first tests in 1904 and designed its models using
Superimposed blades. In 1905, Clement equips his airship "Clément-
Bayard" with a Chauvière propeller five meters in diameter and 1907,
De Pischof was the first to equip an airplane with such a propeller.
He files a patent and founds his company. It opens factories in France,
but also in Germany and Russia.Note that Blériot used a Chauvière
propeller during of his famous crossing of the English Channel.
He also founded a laboratory to study wood, glues and varnishes
necessary for the realization of these propellers.

He is also interested in airplanes and carries out an experimental biplane whose wings have a diamond shape.In 1912 and 1913, he sold several thousand propellers while more than 100,000 units which are produced during the First World War. Covering a quarter of needs of the Allied
armies. 55 other manufacturers Sharing the rest.After the Armistice,
He passes with duralumin propellers. then with variable pitch, and
develops methods of manufacturing allowing reproduce the shapes
of wooden propellers and forging these propellers in one past.In
addition to these activities aeronautics, it is dedicated to the
manufacture of canoes and competition boats, including one,
the Rafal, powered by a Hispano 1000 hp engine. will reach the speed
of 212 km / h on the Jac de Genève.Lucien Chauvière will die in 1966,
always imagining innovative technical ideas.

Lucien Chauvière, who will manufacture the famous "integral" propellers
that bear his name,will be interested from 1916 to the principle of the autogyro. A first “gyropter” project was developed in 1917, but did not
will experience no achievement.It was in 1928 that a machine of this
concept was produced.

The spacecraft is in the form of a Fokker fuselage, including the train, equipped with a Hispano-Suiza 8 Scout 280 hp engine driving a two-
bladed propeller. The wing is removed and replaced by a rotor
quadruple with double articulated blades 13.6 m in diameter. This
rotor is driven either by the wind rotary (self-rotating principle) or
by the engine thanks to an extension of the crankshaft at the rear
and a transmission by slip clutch and bevel gears. To compensate
for the torque mechanical when the rotor is driven by the motor,
four vertical side flaps are arranged in pairs on each side of the
fuselage at the front and rear of the rotor attachment area. This
system should, theoretically, allow a “quasi” vertical flight. The total
weight of the machine is 1375 kg.

It seems that tests were carried out in 1929/1930, but they were not conclusive and the gyropter disappeared from the history of rotary
wings.

TU magazine
French Aircraft Before the Great War

 

[hesham]

Lucien Chauvière, who will manufacture the famous "integral" propellers
that bear his name,will be interested from 1916 to the principle of the autogyro. A first “gyropter” Project was developed in 1917, but did not
will experience no achievement.

From Toute L'Aviation.