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Rainbow Spirit

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The Spirit 15 Wing marks Rainbow Aircraft's return to trike wing development and manufacture. After 2 years in development under Jenya Zozulya, the Spirit 15 Wing went into production in mid-2002.

By late 2002 over 30 wings had been produced and the first Spirit 15 Wings began arriving in the US in November 2002. Rainbow Aircraft, Inc. (through Trike-Wings.com) was the exclusive US importer of the Spirit 15 Wing.

The wing is light-handling in both pitch and roll and yet stable in both axis.

The Spirit 15 Wing incorporates:
Streamlined Downtubes and Kingpost
Batten tips are springloaded resulting in a 'clean' trailing edge
The main section of the upper wing sail is clear trilam.

After assembly, each wing is test flown and tuned if necessary before being shipped. All tubing is aluminum 6082-T8 aircraft tube, anodized to 25 microns. All cables are multi-strand stainless steel.

The sail is put together with precision and the finest polyester fabrics available in the world. Top front surface is 6.3 oz Dacron. Top main surface is heavy duty 3 oz trilam (clear) with a 200 kg (440 lb) Dynema cord sewn in. Bottom surface is 4 oz Dacron. Leading edge is 5 oz trilam.

The Spirit 15 wing was static tested to 450 kg (990 lbs) at 6 g's positive for a total static tested load of 2,450 kg (5,400 lbs). Test was conducted by Spirit Wing Design Engineer Zenya Zozulya, according to the same method used by the German certification authority (DULV).

A full flight test program was also conducted in order to win CAA approval. The Spirit 15 wing is certified by the South African Civil Aviation Authority (CAA).

Wing area: 15.3 sq.m / 164 sq.ft
Wing Weight: 52 kg / 114 lbs
Wingspan: 10.2 m / 33.5'
Dual Surface: 75%
Nose Angel (degrees): 130 deg
Aspect Ratio: 6.9
Folded Length: 6.1 m / 20'
Short Folded Length: 4.6 m / 15.1'
Wing Loading at 450 kg / 992 lbs: +6g -3g
Stall Speed: 42 km/h / 26 MPH
Minimum Flying Speed: 50 km/h / 31 MPH
Cruise Speed Range: 80-110km/h / 50-69 MPH
Maximum Level Speed: 136 km/h / 85 MPH
VNE Never Exceed Speed:  144 km/h / 90 MPH
Sink Rate: 2 m/s / 390 fpm

 

 


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