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Apex Eco 6


FieldValue
nameApex Eco 6
aircraft_typeUltralight trike
national_originCzech Republic
manufacturerTo-Mi Aviation
Apex Aviation
statusProduction completed

Apex Aviation The Apex Eco 6 is the first of a family of Czech single and two seat flying wing ultralight trikes that were designed and produced by To-Mi Aviation and later by Apex Aviation. The aircraft were supplied as kits for amateur construction.

Design and development

The single seat Eco 6 was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of 254 lb. It features a cable-braced hang glider-style high-wing, weight-shift controls, a single-seat, open cockpit, tricycle landing gear and a single engine in pusher configuration.

The aircraft is made from bolted-together aluminum tubing with steel brackets, with its single surface wing covered in Dacron sailcloth. Its 9.60 m span wing is supported by a single tube-type kingpost and uses an "A" frame control bar. A variety of single-surfaced wings can be used on the Eco 6, with wing areas ranging from 14.0 to. The Eco 6 had a factory option of a Galaxy ballistic parachute. The standard engine supplied was the 30 kW Rotax 447.

Developed from the Eco 6 were two two-seat models, the Dolphin 3 and the Cross 5. The three aircraft line commenced production in the mid-1980s and was introduced into the United States in 1997, represented in the US by AKS of Portland, Oregon.

Operational history

The Cross 5 model was supplied to the Czech Air Force.

Variants

;Eco 6 :Single-seat model with a Rotax 447 engine of 30 kW or a Rotax 503 engine of 37 kW. Acceptable power range is 34 to. Fifteen had been completed and flown by February 2000. ;Dolphin 3 :Two-seat tandem model with a useful load of 319 kg, powered by a Rotax 503 engine of 37 kW, a 48 kW Rotax 582 or SVS-1400 engine ;Cross 5 :Two-seat tandem model with a steel tube frame and a gross weight of 450 kg. Can accept any engine under 75 kg in weight, including the 45 kW Zanzottera MZ 201. Fifteen had been completed and flown by February 2000. Construction time from the kit was reported as 100 hours. ;Cross 5x :Version of the Cross 5 with higher and wider seats

Specifications (Eco 6)

|prime units?=met General characteristics

Powerplant

Performance

|never exceed speed kmh= |never exceed speed mph= |never exceed speed kts= |never exceed speed note= |wing loading kg/m2= |wing loading lb/sqft= |power/mass= |thrust/weight=

References

References

  1. Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page C-5. Cybair Limited Publishing, 2001. {{ISBN. 0-9680628-1-4
  2. Downey, Julia: ''2000 Trike and 'Chute Directory'', Kitplanes, Volume 17, Number 2, February 2000, page 45. Kitplanes Acquisition Company. ISSN 0891-1851
  3. Downey, Julia: ''2005 Trikes 'Chutes and Rotorcraft Directory'', Kitplanes, Volume 22, Number 2, February 2005, page 47. Belvoir Publications. ISSN 0891-1851
  4. Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 276. BAI Communications, 15 July 1998. {{ISBN. 0-9636409-4-1
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