Overview - Race Winning Motion Control - Motorsport Solutions
Data Sheet - E024 Series Microvalves
Article - Control Under Pressure

Whilst we are generally known for our servovalves, we also produce a range of other sub miniature proportional valves and actuators for use in Formula 1 where high performance solutions and minimized size and weight are required.
Moog can also produce complete turnkey actuation systems for motorsport applications (using both hydraulic and electric motor technology).
All Moog electro-hydraulic products used in Formula 1 are homologated by the FIA, this indicates they are approved for use with the standard Formula 1 Electronic Control Unit (ECU).
The E024 Series Miniature Servovalve is available in two basic versions: a standard version with a linear flow gain characteristic and a high resolution dual gain version. The E024 Series was developed from the proven EO30 Series aerospace servovalve that is widely used for control surface actuation in civil and military aircraft.
It is ideal for motorsport applications where very high levels of power density are required, that can not be achieved with electrical actuation. These include: selector drum positioning, clutch control, throttle control and torque control in limited slip differentials.
If required, we have the capability to design, manufacturer and deliver complete motorsport motion control systems, utilizing either hydraulic or electrical actuation technology.
Working together with the customer, to evolve a detailed specification we can
assist with the detailed design and supply a complete package. Typically, these systems are fully tested at Moog in conjunction with the customer’s ancillary hardware, before delivery, enabling fast development times.
The E085 product range was originally designed for Formula 1 throttle control. Variations on this design have been successfully applied in other Fomulae for on vehicle and test lab applications. Moog miniature actuator designs are available with seal-less construction giving precise control in high temperature and high vibration installations.
Moog manufactures a range of miniature actuators with cylinder bores as small as 9 mm (0.35 in) in diameter. Many of the designs incorporate high precision servovalve manufacturing expertise to realize seal-less piston technology.
The seal-less design has extremely low levels of break-out friction and
cross piston leakage. Systems using these actuators achieve high levels of repeatability and resolution.
Typical applications include throttle actuation, gear box indexing, clutch control and turbo charger wastegate actuation.
An alternative to the Moog Rotary PAS Valve, the linear unit is an easy to use, closed- center Power Steering Valve which can be applied to any vehicle having a high pressure hydraulic supply. The design allows easy tuning both for the level and the linearity of assistance.
These valves have been successfully applied in Formula 1, Rally Cars and Le Mans cars.
The E243 Rotary Power Steering Valve was specially developed for Formula 1 steering systems which operate from the “on board” high pressure hydraulic supply. It achieves a highly repeatable and precise steering control with little compliance felt by the driver.
This is a custom product which can be designed to integrate with the customer’s steering system.
The E050 Oil Pressure Regulating Valve uses the established technology of the miniature fuel regulating valve. It is optimized to regulate lubricating oil at
pressures of between 3 (43 psi) and 20 bar (290 psi).
Similar to the fuel regulating valve, it has very precise pressure control independent of oil pump flow, which is ideal for use in both engine and gear box lubrication systems. It can also be applied to fuel regulation systems operating at lower pressures.
The E050 Fuel Regulating Valve is a precision two-stage pressure regulator
designed to be used in conjunction with a fixed displacement fuel pump. The two stage design yields a constant fuel pressure independent of pump delivery. Weighing in at just 28 gm (1 oz), it is much smaller and more accurate than a conventional diaphragm valve.
Overview - Race Winning Motion Control - Motorsport Solutions
Data Sheet - E024 Series Microvalves
Article - Control Under Pressure
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