SYTECH S415 TC Range Extender Engine Development

The World’s First Scotch Yoke engine successfully developed in accordance with international engine development standards.

SYTECH S415 TC engine
FEV SYTECH
SYTECH S415 TC REEV

FEV Involvement

Market study REEV ICE sizing and fuel consumption study. Development of S415 TC to B-sample maturity

Design of the engine around the SYTECH cranktrain
Thermodynamic and mechanical CAE
Prototype hardware procurement and assembly
Combustion development
Test bench calibration
Function testing
Durability testing
1000h Scotch Yoke mechanism durability testing

Consideration of naturally aspirated and 2-cylinder derivates throughout the development

SYTECH S415 TC
SYTECH S415 TC connecting rod pistons
SYTECH S415 TC opposed cylinder

Four cylinder 1.495L turbocharged, GDI (S415 TC)
The SYTECH engine is an opposed cylinder engine
Single overhead CA M
4 valves per cylinder
Fixed valve timing
No EGR
Rated power 110 kW at 4500 rpm
Peak torque 234 Nm at 4500 rpm
Minimum BSFC less than 229 g/kWh at 3000 rpm
Low NVH and centre of gravity
Hydrogen fuel ready

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