Pages

Thursday, January 27, 2011

Aircraft Propellers & Parts







Aircraft Propeller Parts

We have a huge inventory of new, used, and overhauled
McCauley, Hartzell, and Hamilton Standard aircraft propellers
and governor parts, and prop de-ice components.
Save on Delicious

Piper Aircraft Parts

  • Landing gears, actuators, switches
  • Aircraft cables, pulleys, bellcranks
  • Piper cowling, cowl flaps and parts
  • Bearings, bushings, control system parts
  • Aircraft engine exhaust system components
  • Flight and engine instruments and gauges of all kinds
  • Interior and exterior plastic and fiberglass fairings, tips
  • Piper structural parts, skins, spars, ribs, formers, bulkheads
  • Aviation fuel and de-icing alcohol tanks, caps, pumps, senders, gauges 

Save on Delicious

TRANSIT ALL-IN-ONE UTILITY TRACTOR

Designed to be an all-in-one maintenance tractor, the Transit Pro is engineered to meet the needs of today's transit authorities. Capable of pushing or pulling up to 85,000 lbs., the Transit Pro can be equipped with a battery jump-start, air compressor system and utility storage box for on-site service of transit vehicles. An All-Wheel Drive option is also available for superior traction on all surfaces, in all weather conditions.
Save on Delicious

BOB TAIL - HIGH SPEED CARGO TRACTOR (TUG)

With 40 years use in the field, the ever-versatile Eagle Bob Tail has proven it can withstand the test of time. The look and operation of this unit are familiar to all operators and has improved with time as the quality and manufacturing from OEM's has improved.

The Eagle Bob Tail is readily available on the F-350, F-450, F-550, and F-750 Ford commercial chassis.

Bob Tail Background Information:


Eagle revolutionized the aviation industry when they introduced the Bob Tail line of cargo tractors in 1969. Prior to the Bob Tail, aircraft and cargo was being handled with baggage tractors. Since then, many companies have tried to copy the Eagle design, but the fact remains there is only one Eagle Bob Tail.

The Bob Tail is a great all purpose vehicle capable of handling towed GSE, narrow and wide-body air cargo, plowing snow and more. The product line has the ability to move loads ranging from 30,000 lbs. to up to 90,000 lbs.

The Eagle Bob Tail offers a rugged and durable option to meet your ground handling needs:
  • Many versatile applications, easy to use and operate
  • Heavy steel body with all-steel ballast
  • Side tubular body protection
  • Heavy-duty bumper and grill guard
  • Large cargo area
  • Choice of all wheel and rear wheel drive
Save on Delicious

MILITARY AIRCRAFT

If your need is for a high-speed air cargo tractor, or for other long distance towing, the Eagle Bob Tail is your solution. With 40 years of industry experience behind it, the Eagle Bob Tail has proven to be the most dependable air cargo tractor on the market. Eagle Bob Tails will be with you for the long haul!  Or, if your need is for shorter distance towing of baggage or other cargo, the MTT electric tow tractor is an efficient, zero-emission solution to your cargo towing needs.

Save on Delicious

AIR CARGO TRACTORS

If your need is for a high-speed air cargo tractor, or for other long distance towing, the Eagle Bob Tail is your solution. With 40 years of industry experience behind it, the Eagle Bob Tail has proven to be the most dependable air cargo tractor on the market. Eagle Bob Tails will be with you for the long haul!  Or, if your need is for shorter distance towing of baggage or other cargo, the MTT electric tow tractor is an efficient, zero-emission solution to your cargo towing needs.
Save on Delicious

eTT-12 ELECTRIC TOW TRACTOR (TUG)




The eTT-12 Electric Tow Tractor is the next generation of Eagle TT series aircraft tractors. The eTT series shares the same features as the TT series, such as All Wheel Drive for traction in all weather conditions, front and rear sight tunnels for direct hitch visibility, an ergonomic operator compartment, and unmatched reliability and performance. However, the next generation eTT series is further equipped with All Wheel Steering for better maneuverability, and is powered by an environmentally-friendly 80V A/C electric drive.

The eTT-12 Electric Aircraft Tug was designed to maximize battery life, to keep it working for you when you need it.  The energy-efficient A/C electric drive provides regenerative braking that sends power back in to the battery every time it slows down.  It is further equipped with energy-efficient components, such as LED lighting, that minimize the power draw on the electrical system.  When you team its efficient drive train with an optional "Smart Charge", high-capacity battery and charger, the eTT-12 will handle the toughest workloads. 

The eTT-12 electric tug is also designed with carefully matched components, resulting in minimal or no unscheduled maintenance or repair, and is backed by an industry leading 3-year/3,000-hr warranty.  The Eagle eTT-12 has the power you need today, and the reliability you need tomorrow.

If you are looking to "Green" your fleet, look to the zero-emission, electric eTT series to fill your need.
Save on Delicious

Monday, January 24, 2011

Full-scale Tests



(Above) TEST TO DESTRUCTION - It can be seen that although the stringers on this Dove wing have fractured (between ribs 6 & 7) the bond is still intact. Finally, we are able to give, by courtesy of the de Havilland Aircraft Co., Ltd., photographs of the full-scale tests on the wing of the Dove. It will be seen from these photographs that "top hat" stringers are used, and it is de Havilland's experience, based upon a large number of unpublished panel tests, that panels with Reduxed "top hat" stringers will develop shear stresses up to 125 per cent. of those developed by exactly similar panels with riveted and spot-welded joints. The results of the full-scale test fully support this conclusion. The appearance of the wing under load is quite different from that of one of riveted construction. In the latter case the buckles all run through the areas of stress concentration, i.e., the rivet holes. In the case of the bonded wing it will be seen that the skin is held firmly along the whole length and the whole width of the stringers. Such a construction is, of course, much stronger than one in which the skin is perforated like a sieve and in which the load is taken on a large number of small areas surrounding the perforations. The wing was subjected to the following series of loadings:- No. of cycles Load cycle (1) 1,200 0 to 2 g. (2) 500 0 to 2.45 g (3) 5 0 to 3.4 g (4) 10,000 0 to 1.5 g (5) 5 0 to 3.86 g (6) 5 0 to 4.37 g (7) Destruction test by static loading to 5.5 g, which is 108% of the design load.

After more than 11,500 stress cycles the wing was in perfect condition, and failure did not occur until after the fully factored load had been passed by an appreciable margin. The failure was an impressive demonstration of the strength and reliability of Redux bonding, because even where the wing skin fractured, only one stringer parted from the skin for a very short length. There can be no doubt whatever that had a conventional riveted structure been tested in a similar way, either the rivet heads would have come off or they might have pulled through the skin. Other Advantages of Redux An improvement in strength is not the only result of using Redux. The skin of the Dove, for example, is in striking contrast to that of most other aircraft because it is so clean. On high-speed aircraft this will become of greater importance in the future. The other advantage is saving in cost. Aircraft riveting is quite an expensive business and Redux is already effecting appreciable economies in aircraft production. In the case of the Dove, Messrs. de Havillands use a large press and sets of stringers are bonded to fuselage and wing skins in sizes up to about 4 ft. by 12 ft. It must be made clear that all the attachments required are made in one operation. When riveting is used it is necessary to jig drill each hole in the stringer and skin as a separate operation, and to countersink each hole in the skin before the actual riveting is carried out. This discussion has mainly dealt with the attaching of stiffeners to skins. There are, however, many other uses for Redux. It is used for constructing the floor of the Vickers-Armstrongs "Viking." In this case a comparatively thin plywood floor is reinforced by top hat stringers. The rolled light alloy sections are first of all bonded to 1 mm. Veneers. Even in a small 6-ft. by 3-ft. press it is possible to bond about 180 ft. in one hour. The veneered sections are then cold glued to the plywood. The floor is then free from any rivet or boltheads and is also strong for its weight. Bonding also makes it possible to attach local reinforcements either to metal or to wood. Good examples of this are to be found in the folding wing attachments of the "Hornet" and the "Mosquito." SIMPLIFIED SPAR CONSTRUCTION - On the left is shown the large box spar assembly on the Mosquito, which makes an interesting comparison with the smaller unit of the Hornet, on the right, with Redux bonding.

DETAIL COMPONENTS - Built up from sheets of Alclad, this provides an example of "Reduxed " local reinforcement. Future Developments There is no doubt whatever that the main difficulty in the development of Redux-bonded structures is its application to doubly curved surfaces. Hitherto flat and singly curved surfaces have caused little difficulty, but at present it is necessary to make up form tools to bond doubly curved panels. At present no other method has been evolved for applying the heat and pressure necessary for bonding. Such tools can, of course, be castings, but even so they tend to be expensive in relation to the numbers of aircraft produced.
Save on Delicious

AERO PLANES & AERONEUTICAL ENGINEERING

Note: The tables referred to in this article have been scanned from originals and may be viewed by clicking on the relevant hyperlink. As graphic files they may take a while to load. We recommend you close the new window each table will generate after viewing. IN RECENT YEARS the advances in aircraft performance have been, very striking. In 1939 speeds of the order of 350 m.p.h. were exceptional, but now they are almost commonplace. Such advances have been made possible by improvements in power unit output, and by aerodynamic refinements, and as a result the designers of aircraft structures have been faced with increasingly difficult problems. They must design their aircraft to withstand very heavy loads, and at the same time they have to bear in, mind the stringent aerodynamic requirements. For example, the thickness of wings must be a minimum and their surfaces should be as smooth as possible. Undoubtedly these requirements will become even more important, and consequently the difficulties of the structural designer will be more acute.

(Above) MODERN WING CONSTRUCTION - A wing panel with "Reduxed" stringers, immediately after removal from the press. They must design their aircraft to withstand very heavy loads, and at the same time they have to bear in, mind the stringent aerodynamic requirements. For example, the thickness of wings must be a minimum and their surfaces should be as smooth as possible. Undoubtedly these requirements will become even more important, and consequently the difficulties of the structural designer will be more acute. The advance from the Mosquito to the Hornet is a good example of how structural designs have developed to meet more exacting conditions. The Mosquito wing spars have wooden tension and compression booms, but this would have been impossible for the Hornet, because of the large cross-section of wood necessary for the tension booms. . As a result the tension booms were made of aluminium-alloy extrusions, while the remainder of the spars were of wood, i.e., the compression booms and the web. The, metal and wood were then welded together so as to form a final spar of remarkably low weight and high strength, and of small depth. One result of the success of this design, and of the testing carried out by the Royal Aircraft Establishment, Farnborough, was the approval given for Redux bonding by M.A.P A D.T.D Specification, No. 775, will shortly be issued to cover the process.

Application to All-metal Aircraft
However, it seems, likely that in the, next few years high performance aircraft will, in a majority of cases, be of all metal construction. The need for smooth, thin wings is greater than ever, and the hitherto normal riveted construction must necessarily come under very severe criticism. Most aircraft skins are literally covered with rivet heads, and consequently determined efforts are being made to diminish their aerodynamic effect, either by polishing operations or by finishing the surface with special paints. Other methods are being tried, including spot welding, but even this leaves a small mark where the electrode makes contact with the skin. This represents one general line of approach to the problem, but there is an alternative which is already, in use on one production aircraft. The de Havilland Dove has fuselage and wing stringers " Reduxed" to the skins. Unlike riveting and spot welding, this does not consist of a large number of small local attachments, but is a bond covering the whole area of contact between stiffener and skin. Hence it achieves two important objectives. It avoids numerous small stress concentrations, and leaves the skin perfectly "clean." Theoretically it seems quite wrong to make a hole in a skin as a first step to attaching a stiffener, and Redux now makes it possible to avoid this.
 
 

 Above) STATIC LOAD TESTS - This test is being done on the D.H. Dove with the bonded stringers. When a similar wing of riveted construction is tested, the buckles run through the rivet- holes. Once again the Redux joints are considerably stronger than the others. Nevertheless, these are only small-scale tests and the following results, published by the courtesy of the Aircraft Division of the English Electric Co., Ltd., Preston, are of more direct interest to aircraft designers. Tests were made on flat-ended 16 s.w.g. and 18 s.w.g. panels, each 22 in. long, and of three different aluminium alloys. On the bonded panels rivets were fitted to the end of each stringer. The results are given in Table III. With regard to the results it will be seen that in every case the Redux-bonded panel failed at a higher load than the riveted panel. Further tests on Redux-bonded panels at + 60° C. and -40° C. and under repeated loading at normal temperature all behaved satisfactorily. With the high strength aluminium alloy materials in use at present, wing spars will undergo considerable strains before failure occurs and as a result the panels must be capable of carrying a load not only after the buckling of the skin, but after the initial buckling of the stringers themselves, i.e., after the skin and stringer combination has passed its maximum load. In consequence it is not sufficient to substitute bonding for riveting without first giving a careful consideration to the area of the bond between the stringer and the skin. However tests have shown that, given an adequate area of bond, the Redux will take a considerable load even after buckling.
Save on Delicious

aircraft pilot







Training, Other Qualifications, and Advancement

All pilots who are paid to transport passengers or cargo must have a commercial pilot’s license with an instrument rating issued by the FAA. Helicopter pilots also must hold a commercial pilot’s license with a helicopter rating.

Education and training. Although some small airlines hire high school graduates, most airlines require at least 2 years of college and prefer to hire college graduates. In fact, most entrants to this occupation have a college degree. Because the number of college-educated applicants continues to increase, many employers are making a college degree an educational requirement. For example, test pilots often are required to have an engineering degree.

Pilots also need flight experience to qualify for a license. Completing classes at a flight school approved by the FAA can reduce the amount of flight experience required for a pilot’s license. In 2006, the FAA certified about 600 civilian flying schools, including some colleges and universities that offer degree credit for pilot training. Initial training for airline pilots typically includes a week of company indoctrination; 3 to 6 weeks of ground school and simulator training; and 25 hours of initial operating experience, including a check-ride with an FAA aviation safety inspector. Once trained, pilots are required to attend recurrent training and simulator checks once or twice a year throughout their career.

Licensure. To qualify for FAA licensure, applicants must be at least 18 years old and have at least 250 hours of flight experience.

The U.S. Armed Forces have always been an important source of experienced pilots because of the extensive flying time and experience on jet aircraft and helicopters. Those without Armed Forces training may become pilots by attending flight schools or by taking lessons from FAA-certified flight instructors. Applicants also must pass a strict physical examination to make sure that they are in good health and have 20/20 vision with or without glasses, good hearing, and no physical handicaps that could impair their performance. They must pass a written test that includes questions on the principles of safe flight, navigation techniques, and FAA regulations, and must demonstrate their flying ability to FAA or designated examiners.

To fly during periods of low visibility, pilots must be rated by the FAA to fly by instruments. Pilots may qualify for this rating by having the required hours of flight experience, including 40 hours of experience in flying by instruments; they also must pass a written examination on procedures and FAA regulations covering instrument flying and demonstrate to an examiner their ability to fly by instruments. Requirements for the instrument rating vary depending on the certification level of flight school.

Airline pilots must fulfill additional requirements. Captains must have an airline transport pilot’s license. Applicants for this license must be at least 23 years old and have a minimum of 1,500 hours of flying experience, including night and instrument flying, and must pass FAA written and flight examinations. Usually, they also have one or more advanced ratings depending on the requirements of their particular job. Because pilots must be able to make quick decisions and accurate judgments under pressure, many airline companies reject applicants who do not pass required psychological and aptitude tests. All licenses are valid so long as a pilot can pass the periodic physical and eye examinations and tests of flying skills required by the FAA and company regulations.

Other qualifications. Depending on the type of aircraft, new airline pilots start as first officers or flight engineers. Although some airlines favor applicants who already have a flight engineer’s license, they may provide flight engineer training for those who have only the commercial license. Many pilots begin with smaller regional or commuter airlines, where they obtain experience flying passengers on scheduled flights into busy airports in all weather conditions. These jobs often lead to higher paying jobs with bigger, national or major airlines.

Companies other than airlines usually require less flying experience. However, a commercial pilot’s license is a minimum requirement, and employers prefer applicants who have experience in the type of craft they will be flying. New employees usually start as first officers, or fly less sophisticated equipment.

Advancement. Advancement for pilots usually is limited to other flying jobs. Many pilots start as flight instructors, building up their flying hours while they earn money teaching. As they become more experienced, these pilots occasionally fly charter planes or perhaps get jobs with small air transportation firms, such as air-taxi companies. Some advance to flying corporate planes. A small number get flight engineer jobs with the airlines.

In the airlines, advancement usually depends on seniority provisions of union contracts. After 1 to 5 years, flight engineers advance according to seniority to first officer and, after 5 to 15 years, to captain. Seniority also determines which pilots get the more desirable routes. In a nonairline job, a first officer may advance to captain and, in large companies, to chief pilot or director of aviation in charge of aircraft scheduling, maintenance, and flight procedures.
Save on Delicious

Sunday, January 23, 2011

Aircraft Panit




Save on Delicious

An aircraft seat map or seating chart




Save on Delicious

Main panel


Save on Delicious

uk air hosters




Save on Delicious

Engine design considerations





Save on Delicious

aircraft power cable






Cable connectors and connector accessories


Cavotec Fladung's connectors range includes:

* A new VDE-approved 400Hz connector
* 28V connectors and panel connectors for 2 x 120mm² + 4 x 1mm² cable (other cable types on request)
* 400Hz panel connectors for 4 x 1 x 50mm² + 4 x 1mm² cable, 4 x 1 x 70mm² + 4 x 1mm² cable and 7 x 35mm² + 6 x 3 x 1mm² cable
* 400Hz Y-connectors

A full set of accessories complement the connector range:

* 400Hz test box for checking the output voltage, indicating the direction of rotation and the frequency of each phase of 200V / 400Hz power supply devices
* Tension tester for testing the pulling force on the connector contacts
* Assembly accessories for 28V and 400Hz connectors and panel connectors
* Pin tester gauge for testing the contact gaps in the aircraft receptacle or GPU (pins)
* Strain relief straps (adjustable and non-adjustable)
Save on Delicious

India Air Hosters




Save on Delicious

Air Hostres



Save on Delicious