At Professional Motorsport World Expo (November 7th 2018) Integral Powertrain's Chief Engineer Motorsport, Arnaud Martin delivered to a full house a presentation on the record breaking e-Drives and Inverters that powered the Volkswagen I.D. R to outright victory and a new electric vehicle record and all time record on the International Hill Climb in Colarado in June 2018.

1. 8th November 2018
Race to the Clouds -
The VW I.D. R Pikes Peak
Machines & Drives
1

2. Content
What is the VW I.D. R. Pikes Peak Car
Look at the motors and controllers in
detail
See how the powertrain works with
the car
What were the results?
And what it is really like to be involved
Summary

3. The Race to the Clouds -
Pikes Peak International Hill Climb (PPIHC)
Highly Confidential Integral Powertrain Ltd | Page 3

4. The Race to the Clouds – The VW I.D. R Pikes Peak

5. Front Axle
SPM 242-55-2828 MGU
SPM 242 Motor Generator Units powering the VW I.D. R Pikes Peak
Rear Axle
SPM 242-76-4630 MGU
Mass: 18.7 kg
Max Power: 270 kW
Max Torque: 280 Nm
Max Speed: 17,000 RPM
Peak Efficiency: >98%
Cooling: Water/Glycol
Stator OD and Stack: Ø242 mm x 55 mm
Dimensions: Ø248 mm x 102 mm
Mass: 23.7 kg
Max Power: 280 kW
Max Torque: 460 Nm
Max Speed: 17,000 RPM
Peak Efficiency: >98%
Cooling: Water/Glycol
Stator OD and Stack: Ø242 mm x 76 mm
Dimensions: Ø248 mm x 123 mm
Surface mount Permanent Magnet (SPM) radial flux Motor Generator Unit
Power Density: > 12 kW/kg
Torque Density: 20 Nm/kg
Power Density: > 15 kW/kg
Torque Density: 15 Nm/kg

6. SiC 1200-620 MCU Units powering the VW I.D. R Pikes Peak
SIC 1200-620 Silicon Carbide MOSFET
MCU
Mass: 5.5 kg
Volume: 4.5 Litres
Max Power: > 400 kW
Power Density: > 81 kW/kg
Max Phase Current: 640 Arms
Max Switching Speed:75 kHz
Peak Efficiency: >99%
Max DC Bus Voltage: 920V
Cooling: Water/Glycol
Dimensions: 241 x 229 x 115 mm

7. Front: SPM 242-55-2828 MGU + SIC 1200-620 MCU
Mass: 25 kg (18.7 kg MGU + 5.5 kg
Inverter + 0.8 kg bracket & fixings)
Rear: SPM 242-76-4630 MGU + SIC1200-620 MCU
Mass: 30 kg (23.7 kg MGU + 5.5 kg
Inverter + 0.8 kg bracket & fixings)
Front & Rear Axle Assemblies

8. CPSR = 1.85

9. CPSR = 2.92

10. CPSR = ??

11. CPSR = 1.4
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
0 25 50 75 100 125 150 175 200 225 250 275
AxleTorque(Nm),AxleSpeed(RPM)
Vehicle Speed (km/h)
Traction limit no aero load (Nm)
Axle Speed (RPM)
Traction limit with aero load (Nm)

12. 0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
0 25 50 75 100 125 150 175 200 225 250 275
AxleTorque(Nm),AxleSpeed(RPM)
Vehicle Speed (km/h)
Peak Axle Torque (Nm)
Axle Speed (RPM)
Traction limit (Nm)
GR 8.92:1

13. CPSR In-Car!
First 40 seconds!
https://www.youtube.com/watch?v=fD3AniFTglM&t=35s

14. What were the results?
https://www.youtube.com/watch?v=ysYCGMGeE9U

15. The weather

16. A spectator point of view

17. The weather again!

18. What were the results Goodwood?

19. • The car turned a wheel for the first time in front of the press in Ales on the 20th of April
• 2 months to raceday to develop this car and make it run reliably
• The last 8 days before the event were broken down as follows:
o 2am wake up and drive up to the mountain for testing
o 5:30 am (as soon as it was daylight) testing commenced
o 8:30am testing was over, leaving the day visitors to drive up the mountain
o 9:45 am return to the hotel for Breakfast and debrief
o 11:00 am arrival at the Pikes Peak International Raceway
o 12:30 pm testing commences where a raft of setting and improvements are being worked through
o 9:00 pm return to the hotel…for a short sleep and start it all over again
• Raceday is another 2am start
The outcome: Some priceless memories and a fantastic achievement!

20. Summary
VW I.D. R Pikes Peak car
• High performance motors with good trade-off between power density, torque
density and high CPSR
• Next generation inverter technology with extremely compact size and very high
efficiency
• First racing EV that has competed directly head-to-head and beaten ICE engine cars
• Scalable technology that has already been applied from track to road
• On 31st October 2018 Integral Powertrain was awarded the prestigious Dewar
Trophy which honours the most outstanding technical achievement and innovation
in the British automotive industry. The award was for the development of the VW
I.D. R Pikes Peak integrated motors and inverters.
• On the 7th of November Integral Powertrain was awarded the prestigious
“Technology of the year award” at the Professional Motorsport world awards

21. Highly Confidential Integral Powertrain Ltd | Page 21