GB1223013A - Arrester gear for vehicles - Google Patents
Arrester gear for vehiclesInfo
- Publication number
- GB1223013A GB1223013A GB04591/68A GB1459168A GB1223013A GB 1223013 A GB1223013 A GB 1223013A GB 04591/68 A GB04591/68 A GB 04591/68A GB 1459168 A GB1459168 A GB 1459168A GB 1223013 A GB1223013 A GB 1223013A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aircraft
- net
- fabric
- anchorages
- parachutes
- 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
Links
- 239000004744 fabric Substances 0.000 abstract 12
- 239000000463 material Substances 0.000 abstract 4
- 230000004888 barrier function Effects 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/02—Ground or aircraft-carrier-deck installations for arresting aircraft, e.g. nets or cables
- B64F1/027—Ground or aircraft-carrier-deck installations for arresting aircraft, e.g. nets or cables using net or mesh
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
1,223,013. Arresting aircraft. MINISTER OF TECHNOLOGY. 26 March, 1969 [26 March, 1968], No. 14591/68. Heading B7G. [Also in Division F2] Aircraft arresting gear comprises aircraftengaging means (e.g. a net-type barrier 57, Fig. 5), for extending across the possible path of an aircraft, and at least one fabric shock-absorbing device having two opposed plies or face layers which are joined to each other by interconnecting pile members and wherein one face layer is secured at one end to a datum anchorage such as the ground or a ship hull (e.g. at 54, Fig. 5) and the other face layer is joined at a corresponding one end (e.g. at 58, Fig. 5) to the aircraft-engaging means, so that upon engagement of an aircraft with the aircraft-engaging means, continued movement of the aircraft is resisted by tearing or ripping of the interconnecting pile members. Preferably, as shown, one anchored fabric shock-absorbing device is connected to each end of the aircraft-engaging means. Further anchorages 52, Fig. 5, for the respective joined ends may be provided. The net-type barrier may be formed, at least in part, of the same fabric material as the fabric shock-absorbing devices. Additional shock-absorbing means such as drag parachutes may be employed. In Fig. 3 an aircraft travelling in direction C along a runway 35 first encounters a net 38. The net is erected between a pair of secondary fixed anchorages 42 to which it is secured by breakable ties 43. Fabric material 44 has divided lengths of face plies 36 and 37 which are connected to each end of net 38 at 39 and to final anchorages 40 respectively. On encounter, the ties 43 break, and the first arresting force exerted on the aircraft is by two parachutes 33 each secured to the joined ends of a pair of plies and each rigged ready for use in a partially unfurled condition, supported in a vertical plane between uprights (not shown) with its mouth 34 facing and parallel to runway 35. The aircraft engaged by the net 38 continues along the runway under the braking force of the parachutes until the divided lengths of face plies 36, 37 come under tension (at a point well beyond anchorages 40), whereupon braking force according to the invention is applied through net 38 as interconnecting pile members 46 are ripped or torn with continuing motion of the aircraft. For speeds in the range above about 100 feet/sec. additional drag lines 47 may be incorporated to alleviate the loads in the fabric material 44. As the speed of the aircraft is reduced, the drag efficiency of the parachutes decreases, but this can be compensated for by providing a progressively increasing width of tearing as the speed is reduced, as shown in Figs. 5 and 6. Three lengths of fabric material are secured at their "joined" ends to vertical secondary anchorages 52 at each side of a runway R. The outer face plies 53a, 53b and 53c are secured to primary, or datum, anchorages 54 and the inner face plies 55a, 55b and 55c are secured to the members 56a, 56b and 56c respectively, which are each secured to the net 57. Interconnecting pile members are absent as far as the lines 59a, 59b and 59c respectively from the anchorages 54. Clusters of three drag parachutes are also connected to net 57 at 58. When an aircraft travelling in direction D is engaged by net 57, drag forces are initially applied by the parachutes and tearing of the pile members of fabric lengths 53a. As the speed of the aircraft is reduced and the drag parachutes become less effective, additional drag forces are applied successively by the interconnecting pile members of fabric lengths 53b and 53c respectively. In Fig. 7 (not shown), the fabric lengths lie largely on the ground, and the anchorages are horizontal and at ground level. In Fig. 2 (not shown), only one fixed anchorage is provided for each of the two fabric shockabsorbing devices, and the two anchorages and the two junctions with the net, and the net itself, are all aligned. Each fabric device then extends backwards, parallel to the runway, and a parachute is provided at its free end. Reference has been directed by the Comptroller to Specification 1,166,245.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB04591/68A GB1223013A (en) | 1968-03-26 | 1968-03-26 | Arrester gear for vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB04591/68A GB1223013A (en) | 1968-03-26 | 1968-03-26 | Arrester gear for vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1223013A true GB1223013A (en) | 1971-02-17 |
Family
ID=10044003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB04591/68A Expired GB1223013A (en) | 1968-03-26 | 1968-03-26 | Arrester gear for vehicles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1223013A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101793016A (en) * | 2010-03-19 | 2010-08-04 | 宁波大学 | Method for arresting large-tonnage ships |
CN111959811A (en) * | 2020-07-15 | 2020-11-20 | 南昌航空大学 | Unmanned aerial vehicle recovery unit |
-
1968
- 1968-03-26 GB GB04591/68A patent/GB1223013A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101793016A (en) * | 2010-03-19 | 2010-08-04 | 宁波大学 | Method for arresting large-tonnage ships |
CN101793016B (en) * | 2010-03-19 | 2012-03-28 | 宁波大学 | Method for arresting large-tonnage ships |
CN111959811A (en) * | 2020-07-15 | 2020-11-20 | 南昌航空大学 | Unmanned aerial vehicle recovery unit |
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