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König Motorenba SD 570

Zanzottera SD 570
Compact Radial Engines SD 570


Konig-SD570

 

The König SD 570 is a four-cylinder, two-stroke, single ignition radial aircraft engine designed for powered paragliders, powered parachutes and single place ultralight trikes. The SD 570 is an unusual four-cylinder radial engine that is very compact and light weight at only 19 kg (42 lb). The engine features single capacitor discharge ignition, a single Bing 49 diaphragm-type carburetor and rotary valve induction. It was offered without a reduction drive, although when Zanzottera built it an optional 1.75:1 cog belt reduction drive was available. Starting is electric starter only and a recoil starter is not an option.

Earlier versions produced 28 hp (21 kW) at 4200 rpm with a slide-type carburetor and reduction drive. The later version is rated at 24 hp (18 kW) at 4200 rpm. Time between overhaul is rated as 300 hours.

The SD 570 shares the same bore and stroke as the smaller three-cylinder König SC 430 radial engine.

The engine was originally designed and produced by Dieter König of Berlin, Germany. The design was sold to Zanzottera Technologies of Italy and then sold again, along with the rest of Zanzottera's two-stroke ultralight aircraft engine line to Compact Radial Engines of Surrey, British Columbia, Canada.

 

Variants:

Zanzottera SD 570
Four-cylinder, two-stroke, single-ignition, radial aircraft engine producing 28 hp (21 kW) at 4200 rpm. Equipped with a slide-type carburetor and an optional reduction drive.

Compact Radial Engines SD 570
Four-cylinder, two-stroke, single-ignition, radial aircraft engine producing 24 hp (18 kW) at 4200 rpm. Equipped with a Bing 49 diaphragm-type carburetor and no reduction drive.

 

Applications:
MFI BA-12 Sländan

 

Konig-570-2

 

Specifications:
SD 570
Type: Four-cylinder, radial two-stroke aircraft engine
Bore: 66 mm (2.60 in)
Stroke: 42 mm (1.65 in)
Displacement: 579 cc (35.33 cu in)
Dry weight: 19 kg (42 lb)
Valvetrain: rotary valve induction
Oil system: premixed oil and fuel
Cooling system: air-cooled
Reduction gear: none
Power output: 24 hp (18 kW) at 4200 rpm

 

 

 


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