Danieli Piuma

Last updated

Piuma
Role Motor glider
National origin Italy
Designer Tiziano Danieli
First flight1990
Introduction1990
StatusPlans available
Number built13 (all models 2003)

The Danieli Piuma (English: feather) is a family of Italian high-wing, strut-braced, pusher configuration single-seat motor gliders that was designed by Tiziano Danieli of Schio and supplied as plans for amateur construction. [1] [2] [3] [4] [5] [6]

Contents

Design and development

The Piuma was designed to be an inexpensive, easy-to-fly and easy-to-build ultralight motor glider. [1] The first model was initially just called the Piuma, but as other models were developed it became known as the Piuma Original. [7]

The Piuma is constructed from wood and finished with doped fabric. The semi-tapered 11.89 m (39.0 ft) span wing is supported by a single lift strut on each side and has air brakes. The engine is mounted behind the cockpit. The specified engine is the 22 kW (30 hp) KFM 107er, but engines of 15 to 22 kW (20 to 30 hp) can be fitted. The landing gear is of tricycle configuration and made from steel with rubber shock-absorbers, with an auxiliary tailwheel and fits wheel pants to reduce drag. The tail is cruciform. The aircraft has a glide ratio of 17:1 at 64 km/h (40 mph). Cabin width is 58 cm (23 in) [1] [7]

The designer estimated that it would take a builder 1000 hours to complete the aircraft from the plans. The plans cost US$220 in 1998 and included a 30-page construction manual. [1] [6]

Variants

Piuma Original
Initial version with 11.89 m (39.0 ft) span wing, first flown in 1990. Eight reported completed in 2003. [1] [2] [3] [4] [5] [7]
Piuma E
Improved model with glide ratio of 20:1 at 71 km/h (44 mph) and other refinements. [1]
Piuma Evolution
Improved model with a wider cockpit, more streamlined fuselage, redesigned tail, new lift struts, electrically retractable nose wheel. main landing gear made from a wood/fibreglass sandwich and a more reclined seat. Four reported completed in 2003. [3] [4] [5] [8]
Piuma Tourer
Model optimized for cross country powered flight with shorter wing of 10.39 m (34.1 ft) and a NACA 4415 airfoil used in the rectangular portion of the wing and a NACA 2R1-12 airfoil in the tapered wing tip. Cruises at 135 km/h (84 mph) and has a 10:1 glide ratio. One reported completed in 2003. [3] [4] [5] [9]
Piuma Twin Evolution
Two seat model with side-by-side configuration seating, introduced in 1998 and inspired by the Tourer. The recommended engine is the Rotax 503 of 37 kW (50 hp). [6] [10]

Specifications (Piuma Original)

Data from Purdy and Danieli [1] [7]

General characteristics

Performance

See also

Aircraft of comparable role, configuration, and era

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References

  1. 1 2 3 4 5 6 7 Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 306. BAI Communications, July 1998. ISBN   0-9636409-4-1
  2. 1 2 Downey, Julia: 2001 Plans Aircraft Directory, Kitplanes, Volume 18, Number 1, January 2001, page 18. Kitplanes Acquisition Company. ISSN 0891-1851
  3. 1 2 3 4 Downey, Julia: 2002 Plans Aircraft Directory, Kitplanes, Volume 19, Number 1, January 2002, pages 15-16. Kitplanes Acquisition Company. ISSN 0891-1851
  4. 1 2 3 4 Downey, Julia: 2003 Plans Aircraft Directory, Kitplanes, Volume 20, Number 1, January 2003, page 19. Primedia Publications. ISSN 0891-1851
  5. 1 2 3 4 Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 56. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
  6. 1 2 3 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 134. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  7. 1 2 3 4 Danieli, Elia (2010). "Piuma Original". Archived from the original on 18 October 2011. Retrieved 22 September 2011.
  8. ↑ Danieli, Elia (2010). "Piuma Evolution". Archived from the original on 18 October 2011. Retrieved 22 September 2011.
  9. ↑ Danieli, Elia (2010). "Piuma Tourer". Archived from the original on 18 October 2011. Retrieved 22 September 2011.
  10. ↑ Danieli, Elia (2010). "Piuma Twin Evolution". Archived from the original on 24 August 2011. Retrieved 22 September 2011.
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