Lucas L7
# Lucas L7

The Lucas L7, also called the L 7 and L-7, is a French amateur-built aircraft that was designed by Emile Lucas of Lagny-le-Sec. The aircraft is supplied in the form of plans for amateur construction.

## Design and development

The L7 features a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cockpit with doors for access, fixed main tricycle landing gear with a retractable nosewheel and a single engine in tractor configuration.

The aircraft is made from sheet aluminum. Its 10 m (32.8 ft) span wing has an area of 12 $m^2$ (130 sq ft) and mounts both flaps and leading edge slots for STOL performance. The standard engine used is the 118 hp (88 kW) Lycoming O-235 four-stroke powerplant which provides a cruise speed of 175 km/h (109 mph).

Reviewers Roy Beisswenger and Marino Boric described the design in a 2015 review as have a "somewhat boxy shape".

## Specifications (L7)

Data from Bayerl and Tacke

General characteristics

* Crew: one
* Capacity: one passenger
* Wingspan: 10 m (32 ft 10 in)
* Wing area: 12 $m^2$ (130 sq ft)
* Empty weight: 500 kg (1,102 lb)
* Gross weight: 750 kg (1,653 lb)
* Fuel capacity: 120 litres (26 imp gal; 32 US gal)
* Powerplant: 1 × Lycoming O-235 four cylinder, air-cooled, four stroke aircraft engine, 88 kW (118 hp)
* Propellers: 2-bladed metal

Performance

* Maximum speed: 190 km/h (120 mph, 100 kn)
* Cruise speed: 175 km/h (109 mph, 94 kn)
* Stall speed: 70 km/h (43 mph, 38 kn)
* Rate of climb: 3.5 m/s (690 ft/min)
* Wing loading: 62.5 $kg/m^2$ (12.8 lb/sq ft)
