Firebird Choice Zip Bi
{{Short description|German paraglider}}
{{Use dmy dates|date=January 2022}}
{{Use British English|date=January 2022}}
{{Infobox Aircraft Begin
| name= Choice Zip Bi | image= | caption= }}{{Infobox Aircraft Type | type=Paraglider | national origin=Germany | manufacturer=Firebird Sky Sports AG | designer= | first flight= | introduced=mid-2000s | retired= | status=Production completed | primary user= | more users= | produced= | number built= | developed from= | variants with their own articles= }} |
The Firebird Choice Zip Bi is a German two-place, paraglider that was designed and produced by Firebird Sky Sports AG of Füssen. It is now out of production.Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 16. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
Design and development
The Choice Zip Bi was designed as a tandem glider for flight training and as such the Bi designation indicates "bi-place" or two seater.
The "Zip" name indicates that a zipper is included in the wing to reduce wing area when required.
The aircraft's {{convert|14.2|m|ft|1|abbr=on}} span wing has 54 cells, a wing area of {{convert|54|m2|sqft|abbr=on}} and an aspect ratio of 4.95:1. The pilot weight range is {{convert|110|to|180|kg|lb|0|abbr=on}}. The glider is DHV 1-2 Biplace certified.
Specifications (Choice Zip Bi)
{{Aircraft specs
|prime units?=met
|genhide=
|crew=one
|capacity=one passenger
|length m=
|length ft=
|length in=
|length note=
|span m=14.2
|span ft=
|span in=
|span note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=54
|wing area sqft=
|wing area note=
|aspect ratio=4.95:1
|airfoil=
|empty weight kg=
|empty weight lb=
|empty weight note=
|gross weight kg=
|gross weight lb=
|gross weight note=
|more general=
|perfhide=Y
|max speed kmh=44
|max speed mph=
|max speed kts=
|max speed note=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
|stall speed note=
|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|g limits=
|roll rate=
|glide ratio=
|sink rate ms=1.2
|sink rate ftmin=
|sink rate note=
|lift to drag=
|wing loading kg/m2=
|wing loading lb/sqft=
|wing loading note=
|more performance=
}}