Formula 1 manufacturers set for crucial compression ratio vote
A simmering technical row in Formula 1 is hurtling toward a decisive moment, as the sport’s five engine... The post Formula 1 manufacturers set for crucial compression ratio vote appeared first on F1i.com.
<p>A simmering technical row in Formula 1 is hurtling toward a decisive moment, as the sport’s five engine...</p> <p>The post <a href="https://f1i.com/news/559319-formula-1-manufacturers-set-for-crucial-compression-ratio-vote.html">Formula 1 manufacturers set for crucial compression ratio vote</a> appeared first on <a href="https://f1i.com">F1i.com</a>.</p>
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Related Regulations
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Full Regulation Text
Article C5.4.3
Geometric compression ratio limit
Chapter: C5
In Simple Terms
F1 engines have a limit on how much they can compress the air-fuel mixture inside each cylinder. No cylinder is allowed to have a compression ratio higher than 16.0, which means the mixture can be squeezed to no more than 16 times its original volume. Manufacturers measure this themselves following FIA guidelines.
- Maximum compression ratio of 16.0 applies to every cylinder in the engine
- Compression ratio measures how much the air-fuel mixture is squeezed before ignition
- Each engine manufacturer is responsible for measuring and verifying their own compression ratio
- Measurements must follow FIA-provided guidance to ensure standardization
Official FIA Text
No cylinder of the engine may have a geometric compression ratio higher than 16.0. The procedure to measure this value will be detailed by each PU Manufacturer according to FIA guidance.
Article 5.1
Power Unit Components
Chapter: Chapter I - Power Unit
In Simple Terms
F1 limits how many engine parts each driver can use per season to control costs. You get 3 of most components (engine, turbo, MGU-H, MGU-K) and 2 of others (battery, control electronics). Exceed these limits and you get grid penalties. Teams must balance performance versus reliability.
- 3 engines (ICE) per season
- 3 turbos, MGU-H, MGU-K per season
- 2 energy stores and control electronics per season
- Exceeding limits = grid penalties
Official FIA Text
Each driver may use no more than 3 internal combustion engines (ICE), 3 motor generator units-heat (MGU-H), 3 turbochargers (TC), 3 motor generator units-kinetic (MGU-K), 2 energy stores (ES), 2 control electronics (CE) during the Championship.
Article C18.4.2
OSPUC Designated Server
Chapter: C18
In Simple Terms
F1 teams must store their power unit design specifications on a server controlled by the FIA that all engine manufacturers can access. This ensures transparency and allows the FIA to verify that teams are following the technical rules fairly.
- Design specifications must be stored on an FIA-designated server, not privately
- All power unit manufacturers have equal access to view these specifications
- The specific access details are documented in a separate FIA technical document
- This requirement ensures fair competition and regulatory compliance
Official FIA Text
All OSPUC Design Specifications must reside on FIA-designated server accessible to all PU Manufacturers. Access details in FIA-F1-DOC-Cxxx document.
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