Aer Lualdi L.55
{{redirect|L.55|other uses|L55 (disambiguation)}}
{{More citations needed|date=January 2021}}
{{Infobox aircraft
|name = L.55
|image =
|caption =
|alt =
|type = Light helicopter
|national_origin = Italy
|manufacturer = Aer Lualdi
|designer = Carlo Lualdi
|first_flight =
|introduction =
|retired =
|status =
|primary_user =
|more_users =
|produced =
|number_built = 1
|program cost =
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}}
The Aer Lualdi L.55 was a prototype Italian helicopter, a development of the Lualdi-Tassotti ES 53 featuring a far more powerful {{cvt|134|kW|0}} Lycoming O-360. While the ES 53 had been purely experimental, the L.55 was Lualdi's first step towards a marketable aircraft.
Specifications (L.55)
{{Aircraft specs
|ref=Jane's All the World's Aircraft 1958-59{{cite book |title=Jane's All the World's Aircraft 1958-59 |editor1-last=Bridgman |editor1-first=Leonard |year=1958 |publisher=Jane's All the World's Aircraft Publishing Co. Ltd. |location=London |page=193}}
|prime units?=met
|crew=1
|capacity=3 pax
|length m=11
|length note=
|height m=2.9
|height note=
|empty weight kg=600
|empty weight note=
|gross weight kg=1000
|gross weight note=
|max takeoff weight kg=
|max takeoff weight note=
|fuel capacity={{cvt|140|L|USgal impgal|1}} with provision for a {{cvt|27|L|USgal impgal|1}} auxiliary
|more general=
|eng1 number=1
|eng1 name=Lycoming O-360
|eng1 type=4-cylinder air-cooled horizontally-opposed piston engine
|eng1 hp=180
|eng1 note=with cooling fan
|rot number=1
|rot dia m=10
|rot area sqm=355.4
|rot area note=
- Blade section: - root: NACA 0015; tip: NACA 0012{{cite web |last1=Lednicer |first1=David |title=The Incomplete Guide to Airfoil Usage |url=https://m-selig.ae.illinois.edu/ads/aircraft.html |website=m-selig.ae.illinois.edu |accessdate=16 April 2019}}
|max speed kmh=155
|max speed note=
|cruise speed kmh=129
|cruise speed note= at 75% power
|never exceed speed kmh=
|never exceed speed note=
|range km=350
|range note=
|ferry range km=
|ferry range note=
|endurance=3 hours
|ceiling m=4000
|ceiling note=absolute
- Hover ceiling IGE: {{cvt|2800|m|0}}
|climb rate ms=5
|climb rate note=at sea level
|time to altitude=
|disk loading kg/m2=9.75
|disk loading note=
|fuel consumption kg/km=
|power/mass=
|more performance=
|avionics=
}}
References
{{reflist}}
{{Portal bar|Italy|Companies|Aviation}}
{{Lualdi aircraft}}
Category:1950s Italian civil utility aircraft
Category:1950s Italian helicopters
Category:Single-engined piston helicopters
{{Aero-1950s-stub}}