The Capella Javelin is a family of

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

open cockpit, high wing,

tractor configuration In aviation, the term tractor configuration refers to an aircraft constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely, the pusher c ...

conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...

-equipped

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailer ...

that were produced in kit form by

Capella Aircraft Capella Aircraft Corporation was an American aircraft manufacturer based in Austin, Texas. Formed about 1988, the company specialized in the design and manufacture of light aircraft in the form of kits for amateur construction, including for t ...

Austin, Texas Austin is the capital city of the U.S. state of Texas, as well as the county seat, seat and largest city of Travis County, Texas, Travis County, with portions extending into Hays County, Texas, Hays and Williamson County, Texas, Williamson co ...

and intended for amateur construction.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page B-33. Cybair Limited Publishing, 2001. Downey, Julia: ''1999 Kit Aircraft Directory'', Kitplanes, Volume 15, Number 12, December 1998, page 40. Primedia Publications. ISSN 0891-1851Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook'', page 137 & 347. BAI Communications. The single seat Javelin I was designed to comply with the American FAR 103 ultralight regulations, including that category's maximum empty weight. Capella Aircraft went out of business in late 2007, and the type is no longer in production.

Design and development

The Javelin was introduced circa 1999 and was intended to appeal to pilots who wanted to experience totally open-air flight. The design features an open frame

fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...

of welded

4130 steel 41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common ...

tubing, with the pilot's and passenger's seats bolted to the frame. The

horizontal stabilizer A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyroplan ...

and tail fin are also constructed of welded steel tubes. The wing is framed from riveted

aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...

tubing with all flying surfaces covered in doped

aircraft fabric Aircraft fabric covering is a term used for both the material used and the process of covering aircraft open structures. It is also used for reinforcing closed plywood structures. The de Havilland Mosquito is an example of this technique, as are ...

. The wing is equipped with full span

aileron An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement around ...

s. The conventional landing gear includes sprung-steel main gear and a similarly sprung steerable tail wheel. The open cockpit design provides good visibility while taxiing. The standard engine supplied by the manufacturer for the single seat version was the

Rotax 277 The Rotax 277 is a , single-cylinder, two-stroke aircraft engine, that was built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. Development The ...

, but it was reported that the aircraft was underpowered with that engine installed. The throttle control is of a unique

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

grip type. Original factory kit options included a cockpit pod and windshield, brakes and steel tube

powder coating Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or ...

. The single-seat Javelin was developed into a tandem two seater, designated the Javelin II and then further developed into the T-Raptor ultralight trainer. The T-Raptor uses a wider and more enclosed fuselage, with optional bubble-windowed doors, to allow cool weather flying and was intended to be marketed to ultralight schools.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page B-105. Cybair Limited Publishing, 2001.

Variants

;Javelin I :Single seat open cockpit ultralight powered by a

engine. ;Javelin II :Two seats-in-tandem open cockpit ultralight trainer powered by a

Rotax 503 The Rotax 503 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catlog'', pages 6-105. Leading Edge Airfoils, 1995. As of 2011 the Ro ...

engine. It was reported as being in development in 1998 and forecast to be available at the end of 1998. ;T-Raptor :Two seats-in-tandem ultralight trainer powered by a

Rotax 582 The Rotax 582 is a two-stroke, two-cylinder, rotary intake valve, oil-in-fuel or oil injection pump, liquid-cooled, gear reduction-drive aircraft engine manufactured by BRP-Rotax GmbH & Co. KG. It is for use in non-certified aircraft operating ...

HKS 700E The HKS 700E is a twin-cylinder, horizontally opposed, four stroke, carburetted aircraft engine, designed for use on ultralight aircraft, powered parachutes and ultralight trikes. The engine is manufactured by HKS, a Japanese company noted for ...

four stroke engine. The T-Raptor has an expanded-width steel cage to provide a more enclosed cockpit and is a development of the Javelin II.

Specifications (Javelin I)

References

{{Capella Aircraft

Javelin A javelin is a light spear designed primarily to be thrown, historically as a ranged weapon, but today predominantly for sport. The javelin is almost always thrown by hand, unlike the sling, bow, and crossbow, which launch projectiles with th ...

1990s United States ultralight aircraft Homebuilt aircraft Single-engined tractor aircraft High-wing aircraft

Design and development

Variants

Specifications (Javelin I)

See also

References