GB1007375A - Means for permitting a vertical take-off aircraft to achieve forward flight at high speed - Google Patents

Means for permitting a vertical take-off aircraft to achieve forward flight at high speed

Info

Publication number
GB1007375A
GB1007375A GB2804362A GB2804362A GB1007375A GB 1007375 A GB1007375 A GB 1007375A GB 2804362 A GB2804362 A GB 2804362A GB 2804362 A GB2804362 A GB 2804362A GB 1007375 A GB1007375 A GB 1007375A
Authority
GB
United Kingdom
Prior art keywords
extension
aircraft
high speed
vertical take
forward flight
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.)
Expired
Application number
GB2804362A
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.)
EDMUND RUFUS DOAK
Original Assignee
EDMUND RUFUS DOAK
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 EDMUND RUFUS DOAK filed Critical EDMUND RUFUS DOAK
Priority to GB2804362A priority Critical patent/GB1007375A/en
Publication of GB1007375A publication Critical patent/GB1007375A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
    • B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
    • B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
    • B64C29/0033—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being tiltable relative to the fuselage

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

1,007,375. Ducted fan propulsion units. E. R. DOAK. July 20, 1962, No. 28043/62. Heading F1J. An aircraft propulsion unit is rotatably carried at the wing tip of a vertical take-off aircraft and comprises a fan mounted in a duct 12 which carries a movable annular extension 13. The extension 13, which has a sharp leading edge 26, lies adjacent the duct 12 in high speed forward flight as shown in Fig. 2 and when the engine is rotated vertically rams 32 are operated to move the extension forwardly. A blunt frontal surface 16 is thereby presented to the airflow and at low speeds this type of surface provides additional aerodynamic thrust. In an alternative embodiment electrically operated screw jacks are used to move the extension (Fig. 7, not shown).
GB2804362A 1962-07-20 1962-07-20 Means for permitting a vertical take-off aircraft to achieve forward flight at high speed Expired GB1007375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2804362A GB1007375A (en) 1962-07-20 1962-07-20 Means for permitting a vertical take-off aircraft to achieve forward flight at high speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2804362A GB1007375A (en) 1962-07-20 1962-07-20 Means for permitting a vertical take-off aircraft to achieve forward flight at high speed

Publications (1)

Publication Number Publication Date
GB1007375A true GB1007375A (en) 1965-10-13

Family

ID=10269344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2804362A Expired GB1007375A (en) 1962-07-20 1962-07-20 Means for permitting a vertical take-off aircraft to achieve forward flight at high speed

Country Status (1)

Country Link
GB (1) GB1007375A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464863A1 (en) * 1979-09-10 1981-03-20 Do Gpkexi Komplex Mekh Shakht PROPULSION ENGINE GROUP OF AN AIR CUSHION TRANSPORT VEHICLE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464863A1 (en) * 1979-09-10 1981-03-20 Do Gpkexi Komplex Mekh Shakht PROPULSION ENGINE GROUP OF AN AIR CUSHION TRANSPORT VEHICLE

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