Sadler Vampire Part 103 legal ultralight aircraft, by Sadler Aircraft, Ultralight Aircraft Magazine.

Ultralight Aircraft Magazine - The Sadler Vampire is a legal singleseat part 103 ultralight aircraft. It was designed by William Sadler of Sadler aircraft in the early 1980s. It was sold in kit form with building times reported to be in the 400 to 500 hour range it has a number of unique features, first it features at twin boom tail configuration, has folding wings for ease of storage and transport, and uses metal construction throughout. It is a mid-wing aircraft in a pusher configuration.

Sadler Vampire

The Sadler Vampire single place ultralight used has a tricycle gear with a steerable nose wheel, control systems are standard three axis control, with a center months stick left-hand throttle and rudder pedals. It won numerous awards including grand Champion design in 1982 at the Experimental Aircraft Association Oshkosh fly in.

Power is supplied by the KFM 107ER twin cylinder two stroke engine and the Rotax 277 single cylinder 28 hp aircraft engine, with a two blade would propeller, in a pusher configuration mounted between the tail booms. The Sadler Vampire is a very efficient aircraft and can easily exceed the speed limits outlined in the Part 103 regulations.

Length: 17 ft 6 in (5.33 m)
Wingspan: 28 ft 0 in (8.53 m)
Height: 4 ft 8 in (1.42 m)
Wing area: 116 ft2 (10.8 m2)
Empty weight: 250 lb (114 kg)
Gross weight: 550 lb (250 kg)
Powerplant: 1 × KFM 107ER, 20 hp (15 kW)

Performance
Maximum speed: 63 mph (101 km/h)
Range: 300 miles (480 km)
Service ceiling: 10,500 ft (3,200 m)
Rate of climb: 350 ft/min (1.8 m/s)

The Sadler SV-1 Vampire is a mid-wing cantilever monoplane of pod-and-boom configuration and twin booms joined by a common horizontal stabilizer. 

The wings fold for storage and transport, and the undercarriage is of fixed tricycle type. The single engine and pusher propeller are mounted at the rear of the pod that also includes the open cockpit.

Ultralight Aircraft Magazine - Welcome to the Ultralight Aircraft News our goal is to cover as many aircraft expositions that host aircraft described as ultralight aircraft, light sport aircraft, experimental light sport aircraft, amateur built aircraft, ELSA or homebuilt aircraft that fit into the definition of ultralight aircraft in Canada or light sport aircraft, or experimental amateurbuilt light sport aircraft in the United States. 

These include three axis control aircraft, weight shift control aircraft, more commonly known as trikes, powered parachutes, helicopters, gyrocopters and powered para-gliders that meet the light sport or ultralight aircraft definition.

Airshows and aircraft expositions that we cover include, the Deland Sport Aviation Showcase, U.S. Sport Aviation Expo, Deland Sport Aviation Showcase, E.A.A.'s Sun N Fun, E.A.A.'s Airventure, the Midwest LSA Show, Copperstate, UPAC Convention and Aero Friedrichshafen in Germany. We try to regularly attend regional shows like the Arlington Fly-In, and Rocky Mountain Fly-In. 

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