Design of the Extra 300 was based on the Extra 230, an early 1980s monoplane having a wing made of wood. The Extra 300 has a weldedsteel tube fuselage covered in aluminium and fabric. The midset wing has a carbon fiber composite spar and carbon composite skins.[1] A symmetrical airfoil, mounted with a zero angle of incidence, provides equal performance in both upright and inverted flight. The landing gear is fixed taildragger style with composite main legs and fiberglass wheel pants. The powerplant is a fuel-injectedLycoming AEIO-540 which produces 300 horsepower (224 kW).
The first two-seat Extra 300 made its maiden flight on 6 May 1988, with German type certification following on 16 May 1990. The single-seat Extra 300S flew on 4 March 1992.[1]
The Extra 300 is stressed for ±10 G with one person on board and ±8 G with two. Some Extra 300s are registered in the experimental category under a Special Certificate of Airworthiness in the U.S., while others are type certified in the aerobatic category.[2]
An Extra 300L flying near Perth, Western AustraliaAn Extra 300S belonging to Patty Wagstaff: This image shows well the zero-incidence and zero-dihedral wing, used rarely but useful in an aerobatic aircraft.The wing of the Extra 300L is set lower on the fuselageAn Extra 300 of the Royal Jordanian Falcons display team taxis for takeoff.The Northern Lights in formation
The 300S is a single-seat version, with a wingspan reduced by 50 cm (19+1⁄2 in), and fitted with larger ailerons.[1][3]
300SP
The 300SP is a performance version of the 300S single-seater. Weight was reduced, and the tail of the 330SX installed.[4] It is discontinued, being replaced by the 330SC.
300SHP
The 300SHP (HP = high performance) is an uncertified version of the 300SP with a Lycoming AEIO-580 engine.
300SR
The Extra 300SR is a modified aircraft using a specially designed high-lift wing for the Red Bull Air Race World Series.
300L
The Extra 300L is a Lycoming AEIO-540-powered two-seat aircraft, with low-mounted wing and shorter fuselage.[3] More of these two-seater variants have been produced than any other model. Its wing is mounted at the bottom of the fuselage, with its span reduced from 26 to 24 ft (7.9 to 7.3 m). Improved ailerons boost the 300L's roll rate to 400° per second. All 300Ls are fully certified under FAA and European Joint Aviation Authorities regulations.
300LP
The 300LP (P = performance) is a reduced-weight version of the 300L, redesigned for better performance in competitions and airshows.
330LX
The Extra 330LX is a Lycoming AEIO-580-powered two-seat aircraft.
330LT
The Extra 330LT is a Lycoming AEIO-580 powered two-seat aircraft, adapted for touring. It has an EFIS cockpit and a reduced roll rate in comparison with the 330LX.
330LE
The Extra 330LE is a one-seat aircraft powered by an electric engine made by Siemens, delivering 260 kW, for 50 kg. On Thursday, March 23, 2017, the Extra 330LE set two new speed records, said Siemens : "At the Dinslaken Schwarze Heide airfield in Germany, the electric aircraft reached a top speed of around 340 kilometers per hour (km/h) over a distance of three kilometers. On Friday, March 24, 2017, the Extra 330LE gave another premiere performance by becoming the world's first electric aircraft to tow a glider into the sky".[5]
330SC
The Extra 330SC is a Lycoming AEIO-580-powered single-seat aircraft with improved roll rate and easier roll stops, designed specifically for unlimited category competition.
330SX
A development of the 330SC that was first flown in early July 2023, with first deliveries scheduled for 2024. Powered by a Lycoming AEIO-580 engine, it has one seat with a wider cockpit, shorter fuselage, a redesigned cowling, improved control stick clearance and increased headroom over the 330SC.[6]
The Blades private aerobatic team displays at air shows in Britain using a team of four Extra 300LPs. It offers passenger flights to members of the public and aerobatic training for pilots.[9]
Patty Wagstaff has flown the Extra 230, 260, and various models of the 300 in aerobatic competitions and airshows since the mid-1980s.[10]
Aeroclubul României [ro] operates eight Extra 300 aircraft, of which three are SC versions and five are L versions.[11][12] They are mainly used for aerobatic flights under the Hawks of Romania team name at various public events.
Chilean Air Force - The Escuadrilla de Alta Acrobacia Halcones ("Chilean Air force High Aerobatics Squadron, called "Hawks") has used the 300L variant since 2003.
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