FR2774066A1 - Aircraft test equipment recovery system - Google Patents

Aircraft test equipment recovery system Download PDF

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Publication number
FR2774066A1
FR2774066A1 FR9801253A FR9801253A FR2774066A1 FR 2774066 A1 FR2774066 A1 FR 2774066A1 FR 9801253 A FR9801253 A FR 9801253A FR 9801253 A FR9801253 A FR 9801253A FR 2774066 A1 FR2774066 A1 FR 2774066A1
Authority
FR
France
Prior art keywords
ejection
test equipment
recovery system
alpha
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR9801253A
Other languages
French (fr)
Inventor
Gall Laurent Francois Jean Le
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR9801253A priority Critical patent/FR2774066A1/en
Publication of FR2774066A1 publication Critical patent/FR2774066A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
    • B64C1/1407—Doors; surrounding frames
    • B64C1/1423—Passenger doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D25/00—Emergency apparatus or devices, not otherwise provided for
    • B64D25/08—Ejecting or escaping means

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The equipment is automatically ejected when the pilot ejects. When the pilot ejection seat operates a side cowling panel defined by D=L asterisk cos alpha, where D is the side length, L the aircraft length and alpha the seat ejection angle,is removed and the test equipment ejected.

Description

Le système considéré est un système de sauvetage de pilotes et de leur équipage sir n vol d'essai à l'aide d'un système d'éjection et d'ouverture dans la carlingue.The system considered is a system for rescuing pilots and their crew on a test flight using an ejection and opening system in the cabin.

Il consiste en un système d'éjection classique utilisé sur les avions de chasse à réaction militaires(peut-être moins puissant vu ladifférence de vitesse...) combiné avec une ouverture dans la carlingue(une trappe réalisé à l'aide d'un fil d'acier plus résistant que l'aluminium constituant la carlingue de l'avion.It consists of a classic ejection system used on military jet fighters (perhaps less powerful given the difference in speed ...) combined with an opening in the cabin (a hatch made using a steel wire more resistant than aluminum constituting the cabin of the plane.

I1 existe des ouvertures dans la carlingue prévues pour l'évacuation au sol de passagers après un aterrissage forcé. There are openings in the cabin intended for the evacuation of passengers on the ground after a forced landing.

On les ouvre à l'aide d'un fil d'acier comme décrit cidessus. They are opened with a steel wire as described above.

I1 suffit d'en placer trois au moins au-dessus de l'équipage du vol et de leur prévoir chacun un siège éjectable. It suffices to place at least three of them above the flight crew and to provide them each with an ejection seat.

La position de la trappe de sortie par rapport au siège du pilote est la sui -vante:
Soit D la distance de la trappe par rapport au siège du pilote: D=L+COS alpha avec L la distance à mesurer à partir du siège du pilote en partant vers 1' ar- -rière et en remontant vers le haut avec un angle alpha, qui n1 est autre que l'angle d'éjection.The position of the exit hatch relative to the pilot's seat is as follows:
Let D be the distance of the hatch from the pilot's seat: D = L + COS alpha with L the distance to be measured from the pilot's seat, starting towards the rear and going upwards with an angle alpha, which n1 is other than the ejection angle.

La largeur de la trappe est défini par la largeur du siège éjectable employé affecté d'un coefficient de sécurité adéquat.The width of the hatch is defined by the width of the ejection seat used with an adequate safety factor.

Lorsque la situation devient critique aux yeux du pilote, ils actionneraient le système d'ouverture des trappes manuellement à l'aide des fils d'aciers, à basse altitude évidemment, l'opération ne devant pas etre bien longue et ensuite déclencheraient le siège éjectable, le panneau d'ouverture ayant dégagé avec la vitesse.When the situation becomes critical in the eyes of the pilot, they would activate the hatch opening system manually using steel wires, at low altitude obviously, the operation should not be very long and then trigger the ejection seat , the opening panel having cleared with speed.

I1 ne reste alors plus qu'à récupérer l'équipage entier sain et sauf. I1 then only remains to recover the entire crew unharmed.

Le système n'a d'utilisation dans un premier temps que pour les avions d'es -sais où l'équipage est réduit au minimum.The system is initially used only for test aircraft where the crew is reduced to a minimum.

I1 pourrait néanmoins être utilisé pour les transporteurs et les gros por -teurs de toute armée.  It could nevertheless be used for carriers and large carriers of any army.

Claims (1)

REVENDICATIONS. CLAIMS. Système de sauvetage d'un équipage d'un avion en vol d'essai:Rescue system for a crew of an airplane in test flight: Caractérisé en ce qu'il est constitué d'un système d'éjection classique combiné à une ouverture(trappe) dans la carlingue située à la côte définie par le calcul suivantCharacterized in that it consists of a conventional ejection system combined with an opening (hatch) in the cabin located at the coast defined by the following calculation D = L + COS alpha avec D, la côte à calculer D = L + COS alpha with D, the dimension to calculate L, la longueur mesurée sur l'avion dans la procédure sus-citée L, the length measured on the airplane in the above-mentioned procedure alpha, l'angle d'éjection du siège éjectable utilisé sur l'avion effectuant le vol d'essai.  alpha, the ejection angle of the ejection seat used on the airplane performing the test flight.
FR9801253A 1998-01-29 1998-01-29 Aircraft test equipment recovery system Withdrawn FR2774066A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9801253A FR2774066A1 (en) 1998-01-29 1998-01-29 Aircraft test equipment recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9801253A FR2774066A1 (en) 1998-01-29 1998-01-29 Aircraft test equipment recovery system

Publications (1)

Publication Number Publication Date
FR2774066A1 true FR2774066A1 (en) 1999-07-30

Family

ID=9522553

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9801253A Withdrawn FR2774066A1 (en) 1998-01-29 1998-01-29 Aircraft test equipment recovery system

Country Status (1)

Country Link
FR (1) FR2774066A1 (en)

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