DRIVE SHAFTS UPGRADED

After the testing and race-demonstration phase, the (standard) CV joints of the drive shafts were found to be at the end of their service life.   New, stronger CV joints were acquired, new intermediate shafts were produced, and the drive shafts were assembled and installed in the car.   The upgraded drive shafts will be […]

SUPERCHARGER: ITERATION NO. 3

The supercharger make was changed and the intecooler has been optimised. The next step will be to work out details of the inlet ducts and fuel injection.   For more information, contact us at info@silvermine.nl

SUPERCHARGER LAY-OUT DEVELOPMENT

Utilizing the results of preliminary analysis, the arrangement of supercharger, plenum box, inlet stacks and recirculation valve was modified.   This iteration was focused on improvements of flow and throttle reaction, while keeping the assembly within the dimensional limits of the existing engine compartment.   More calculations will follow before finalizing the design of this […]

FINAL CFD RESULTS RECEIVED

German specialist company MantiumCAE (http://mantiumcae.com) performed sophisticated Computational Fluid Dynamics (CFD) simulations of transient air flow in interaction with the CAD-model of the 11SR. The results (pressure distribution and air velocity around/through the body) were made available, including unsteady flow patterns in the driver/passenger area. The results yielded more insight in the car’s aerodynamic properties, […]

SUPERCHARGER LAY-OUT STARTED

A Lysholm twin-screw supercharger was selected to increase the power of the Silvermine 11SR engine to meet the design value. This supercharger raises boost pressure internally, keeping the temperature rise of the charge air at a reasonable level. For extra efficiency, a water-to-air intercooler will be included in te package.   First modelling iterations of […]

ENGINE FINE-TUNED ON DYNAMOMETER

A renewed test has been run on a rolling road dynamometer.   During the test, the mapping of the ECU has been updated after checking all map data for ignition and injection.   The ECU has been re-mapped in detail over the complete speed/power range of the engine. This was done by means of “sweeps” […]

FEA ANALYSIS PERFORMED

Front and rear wheel uprights were newly designed for the Silvermine type 11SR.   A detailed stress and deformation analysis of the new uprights was performed by Italian specialist company Phitec Ingegneria (https://www.phitecingegneria.it). This was done by means of Finite Element Analysis (FEA).   Material stresses (also internal) and deformations were presented for various load […]

AERO DESIGN IMPROVED

The aerodynamic design of the 11SR was updated and improved, using the results of the CFD analysis. This included a redesign of the car’s floor and diffuser strakes, increasing the rear downforce markedly. The flow beneath the car was cleaned up to increase downforce and lower the car’s aerodynamic resistance.   For more information, contact […]

CFD ANALYSIS FURTHER DETAILED

A detailed Computational Fluid Dynamics (CFD) analysis of the 11SR model was performed by German specialist company MantiumCAE (http://mantiumcae.com). Pressure distribution and air velocity around the body were made available, including detailed internal flow patterns and their interaction with the external flow. Possibilities for improvement of the present configuration were indicated by the CFD company, […]