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TU Delft student team presents Forze VII hydrogen racer

TU Delft student team Forze presented the Forze VII hydrogen racer to the public for the first time on Sunday during the Gamma Racing Day at the TT Circuit in Assen.

The Forze VII is built using an ADESS-03 LMP3 monocoque and is powered by a 100 kW Ballard FC Velocity MK1100 stack with Forze balance of plant along with a battery pack. Two Yasa P400 electric motors give the car a peak power of 320 kW. The gearbox, gearbox, designed and integrated by the team, has a gear ratio of 1:4.6 and weighs just 6 kg (13.23 lbs). This design of the drivetrain will accelerate the car from 0-100 km/h in less than 4 seconds. Top speed is about 210 km/h (130 mph).


The hydrogen is stored in two tanks at 350 bar and 700 bar. Hydrogen flow is controlled with a custom valve system. Air supplies the fuel cell stack with the necessary oxygen; the main components of the air pump are an electric motor and a compressor.

The fuel cell can produce 100 kW of power for 45 minutes and pack which also stores regenerative braking energy. The Battery Management System manages the energy level of the battery and controls the amount of power that the motor controllers use. During acceleration the battery can release 200 kW.

The Forze team needed to add a subframe to the ADESS monocoque; conservative LMP cars do not have such a structural frame, because they have an engine and gearbox, which give structural support. The subframe was completely simulated with FEM analysis to have the best structural performance.



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