- Specifications
- References
| name = Martin XNBL-2 | image = | caption = | alt = }}{{Infobox aircraft type | type = Biplane night bomber | national origin = United States | manufacturer = Glenn Martin Company | designer = | first flight = | introduced = | retired = | status = | primary user = United States Army Air Service | more users = | produced = | number built = 0 | program cost = | unit cost = | developed from = | variants with their own articles =
}} |
The Martin XNBL-2 was a 1920s biplane night light bomber proposal by the Glenn Martin Company for the United States Army Air Service. Two prototypes were ordered in 1922, but cancelled before construction began, due to lack of funding.[1] Specifications{{Aircraft specs
|ref=Wagner, 2004[1]
|prime units?=imp
|genhide=
|crew=four
|capacity=
|length m=
|length ft=53
|length in=
|length note=
|span m=
|span ft=98
|span in=2
|span note=
|height m=
|height ft=
|height in=
|height note=
|wing area sqm=
|wing area sqft=3,000
|wing area note=
|swept area sqm=
|swept area sqft=
|swept area note=
|volume m3=
|volume ft3=
|volume note=
|aspect ratio=
|airfoil=
|empty weight kg=
|empty weight lb=14,704
|empty weight note=
|gross weight kg=
|gross weight lb=26,190
|gross weight note=
|max takeoff weight kg=
|max takeoff weight lb=
|max takeoff weight note=
|fuel capacity=
|lift kg=
|lift lb=
|lift note=
|more general=
|eng1 number=2
|eng1 name=Engineering Division W-1
|eng1 type=engines
|eng1 kw=
|eng1 hp=700
|eng1 shp=
|eng1 kn=
|eng1 lbf=
|eng1 note=
|power original=
|thrust original=
|eng1 kn-ab=
|eng1 lbf-ab=
|prop blade number=
|prop name=
|prop dia m=
|prop dia ft=
|prop dia in=
|prop dia note=
|perfhide=
|max speed kmh=
|max speed mph=95
|max speed kts=
|max speed note=
|max speed mach=
|cruise speed kmh=
|cruise speed mph=
|cruise speed kts=
|cruise speed note=
|stall speed kmh=
|stall speed mph=
|stall speed kts=
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|never exceed speed kmh=
|never exceed speed mph=
|never exceed speed kts=
|never exceed speed note=
|minimum control speed kmh=
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|minimum control speed kts=
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|range km=
|range miles=
|range nmi=
|range note=
|combat range km=
|combat range miles=
|combat range nmi=
|combat range note=
|ferry range km=
|ferry range miles=
|ferry range nmi=
|ferry range note=
|endurance=
|ceiling m=
|ceiling ft=9,000
|ceiling note=
|g limits=
|roll rate=
|glide ratio=
|climb rate ms=
|climb rate ftmin=
|climb rate note=
|time to altitude=
|sink rate ms=
|sink rate ftmin=
|sink rate note=
|lift to drag=
|wing loading kg/m2=
|wing loading lb/sqft=
|wing loading note=
|disk loading kg/m2=
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|disk loading note=
|fuel consumption kg/km=
|fuel consumption lb/mi=
|power/mass=
|thrust/weight=
|more performance=
|guns= 5x {{convert|0.3|in|mm|abbr=on|2}} machine-guns
|bombs= {{convert|1907|lb|kg|abbr=on|1}}
|rockets=
|missiles=
|hardpoints=
|hardpoint capacity=
|hardpoint rockets=
|hardpoint missiles=
|hardpoint bombs=
|hardpoint other=
|avionics=
}}
References 1. ^1 Wagner, Ray. American Combat Planes of the 20th Century: A Comprehensive Reference. Reno, Nevada: Jack Bacon & Co, 2004. {{ISBN|0-930083-17-2}}.
{{Martin aircraft}}{{USAAS bomber aircraft}} 2 : Martin aircraft|United States bomber aircraft 1920–1929 |