PBS TS100

Short description: Helicopter turboshaft engine

PBS TS100

Type  | Jet aircraft engine
National origin | Czech Republic
Manufacturer  | PBS Velká Bíteš
Major applications | Curti Zefhir

The PBS TS100 is a small turboshaft engine produced by a Czech turbine engine manufacturer PBS Velká Bíteš. The engine with a maximum power of 241 hp (180 kW) has been developed for light helicopters weighing up to 2,204 lb (1,000 kg).[1]

In 2022, the PBS TS100 engine was acquired by the Korean Aerospace Research Institute (KARI) to develop new hybrid propulsion system.[2][3]

## Contents

* 1 Design
* 2 Variants
* 3 Applications
* 4 Specifications (TS100ZA)
* 4.1 General characteristics
* 4.2 Components
* 4.3 Performance
* 5 References

## Design

The PBS TS100 turboshaft engine is equipped with an autonomous oil and fuel system, brushless electric starter generator and a digital ECU. The ECU controls the acceleration and deceleration of the gas generator to maintain a constant output shaft speed. The ECU also provides subsequent automatic cooling of hot components after the engine stops.[4]

The turboshaft engine can be controlled by an analogue or digital interface. The maximum continuous power mode of 214 hp (160 kW) is available up to 6,560 ft (2,000 m).

## Variants

Two versions of the PBS TS100 engine are available based on the number of rpm:

* PBS TS100 ZA with 5,978 RPM
* PBS TS100DA with 2,158 RPM

## Applications

* Curti Zefhir[5]

## Specifications (TS100ZA)

Data from Manufacturer[1]

#### General characteristics

* Type:
* Length: 829 mm (32.6 in)
* Diameter: 398 mm (15.7 in)
* Dry weight: 56.7 kg (125.0 lb)

#### Components

* Compressor: axial

#### Performance

* Maximum power output: 180 kW (241 hp)
* Power-to-weight ratio: 3.1 kg/kW (1.9 lb/hp)

## References

1. ↑ 1.0 1.1 "Aircraft Engines | Turboprop/Turboshaft and Turbojet | PBS". https://www.pbs.cz/en/Aerospace/Aircraft-Engines/Turboshaft-Engine-PBS-TS100.
2. ↑ "PBS TS100 ENGINE REACHES A NEW MILESTONE – BECOMES A PART OF A DEVELOPMENT OF COMPLETELY NEW HYBRID PROPULSION SYSTEM". January 10, 2022. https://aero-space.eu/2022/01/10/pbs-ts100-engine-reaches-a-new-milestone-becomes-a-part-of-a-development-of-completely-new-hybrid-propulsion-system/.
3. ↑ "PBS TS100 engine is a part of the development of a completely new hybrid propulsion system". January 6, 2022. https://www.defensehere.com/en/pbs-ts100-engine-is-a-part-of-the-development-of-a-completely-new-hybrid-propulsion-system.
4. ↑ "Turbine Engines". https://www.pbs.cz/getmedia/c8197bd3-9d17-469d-96ba-7e03f7f826c1/PBS_Brochure-Turbine-Engines_EN2109.pdf.aspx?ext=.pdf.
5. ↑ Ramsay, Rachel (July 7, 2022). "A microlight helicopter?". https://flyer.co.uk/feature/august-2022-flight-test-curti-zefhir/.

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