Shell Eco-marathon Asia-Pacific and the Middle East 2025 | NAKOELA UI TEAM

Asia-Pacific and the Middle East 2025

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212

ID0023002 NAKOELA UI TEAM

Universitas Indonesia

Prototype P Hydrogen Fuel Cell H2

Results

Attempt 5

528.0

328.1

km/m3

mi/m3

Best attempt

Current Rank

1st / 3

1 528.0 km/m3 328.1 mi/m3

2 478.1 km/m3 297.1 mi/m3 -9.4%

Technical Inspections

Before they get on track, Prototype vehicles need to pass a series of 11 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

11/11
Complete 11/11 inspections passed

Passed

1. Inspection Queue Entry

7 / 7

Passed

2. Driver's Control

12 / 12

Appropriate motorsports helmet - Primary Driver (21 a-f)

Three-quarter helmet - Primary Driver (21 b)

Helmet label readable - Primary Driver (21 c)

Helmet has no cracks/indentations - Primary Driver (21 c)

Visor is clear and has no cracks - Primary Driver (21 d)

Racing suit (s) / Gloves - Primary Driver (21 d)

Single piece fire retardant racing suit - Primary Driver (22 a)

Shoes; socks & balacava/FRC - Primary Driver (22 b, d)

Driver weight (> 50kg) - Primary Driver (20 a)

Ballast required?

Ballast based on lightest driver (20 c)

Ballast of suitable type, proper location, sealed (20 b)

Passed

3. Vehicle Weight

2 / 2

Passed

4. Brakes

11 / 11

Brake documentation (67 c ii)

2 Hydraulic brake system 1 front & 1 rear (43 a)

1 single Hydraulic circuit per axle (43 a)

Foot operated front brake by single pedal (43 a)

Rear brake by single lever or pedal (43 a)

Brake pedal 1,000 mm², min width 30 mm (43 a v)

Brake rotors point in direction of wheel rotation (43 a)

No acting on tyres (43 a)

All wheels have brakes (43 a)

Ergonomy (43 a)

Effectiveness Ramp Test - Dynamic (43 b)

Passed

5. Vehicle Dimensions

6 / 6

Passed

6. Seat Belts, Roll bar & Exit

17 / 17

Safety belt must be designed for motorsports use (29 g)

Mounting points are clearly accessible for inspection (29 e)

Safety Belts = 5 mounting points (29 a-b)

Safety Belts - chassis fixing (29 d)

Must have 5 independent belts attached to structure (29 a)

Crotch strap under body (29 b)

Top strap at 10° angle (29 b)

Safety belt must be in straight line between mounting point and shoulder (29 f)

Length adjustor high enough for adjustement (29 b)

Safety belt has a tight fit (no slack) (29 c)

No modifications of safety belt (29 h)

Safety belt strength verified (29 d)

Crumple space-protect from front/side impact (25 a ii)

Roll bar resist 70 kg all directions (26 d)

Roll bar 50 mm > driver's head - Primary Driver (26 b)

Roll bar width > shoulders - Primary Driver (26 c)

Driver exit < 10 seconds - Primary Driver (30 a-d)

Passed

7. Visibility

6 / 6

Passed

8. Mechanical Vehicle Design

22 / 22

Fully closed body (25 j, g)

Quality of body driver collision protection (26 a-d)

Front Crumple Zone = 100 mm (25 a ii)

Solid floor & frame (25 i)

No external appendages or sharp edges (25 c)

Body panels do not change shape in wind (25 b, d)

Internal/ext'l opening mech effective/intuitive (30 c)

Method of opening accurately marked with sticker (30 c)

No adhesive tape to close driver compartment from outside (30 d)

Bulkhead rigid & fire resistant (27 b-d)

Bulkhead isolates energy/driver compartment (27 a)

Chain/belt guard (all rotating equipment) (34 g)

Running wheels (Pr:3/4, UC:4) (25 a iii)

Rims compatible with the dimensions of the tyre (41 a-b)

Wheels isolated from driver, chassis, or body (41 c)

Nothing touching wheels (e.g. batt, wires, etc...) (41 e)

Steering is efficient and has no play (32 b-d)

If electric steering, demonstrate default safe state (32 d)

Intuitive steering control (32b)

Wheel compliance (48 c)

Tyres do not exceed manufacturer's recommended age (49 d)

Tyre valves are accessible (49 f)

Passed

9. Electrical Vehicle Design

26 / 25

Passed

10. Energy Verification

19 / 19

Documentation (schematic, H2 flow, fuel cell, regulator) (67 c, 65 a i)

No external starter battery (65 k iii)

Hydrogen cylinder firmly installed (65 b iv)

Regulator installed correctly (65 a iv 1)

Pipe H2 suitable, S.Steel (1.0 bar), PTFE (<1.0 bar) (65 e)

Connectors H2 OK (comp type, no Teflon) (65 e iv)

Normally closed solenoid valve (37 f i)

Pressure relief valve installed and set correctly (65 a iv 4)

Pressure relief valve vents outside vehicle (65 a iv 4)

Purge pipe vents outside or not used (65 f)

Correct system design (65 a iv)

2 ventilation holes 5 cm² (65 c)

Hydrogen sensor at highest point (65 d)

Leak Check OK (65 e)

Flowmeter installed and functioning (65 a v, g iii)

Supercap Joulemeter reading voltage & Energy (65 i iii)

Emergency shutdown function (H2 Valve & Propulsion) (37 f iii)

Efficiency of Estop (3 methods, valve/MC) (37 f iii)

Dead man's switch (37 i)

Passed

11. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Qatar 2026	Prototype P	Hydrogen Fuel Cell H2	4	183.38km/m3 113.94mi/m3
Asia-Pacific and the Middle East 2024	Prototype P	Internal Combustion Engine ICE (Gasoline)	4	803.28km/l 1889.44mpg us
Asia Pacific and the Middle East 2023	Prototype P	Internal Combustion Engine ICE (Gasoline)	2	1190.26km/l 2799.67mpg us
Indonesia 2022	Prototype P	Internal Combustion Engine ICE (Gasoline)	1	905.21km/l 562.47mpg us

Asia-Pacific and the Middle East 2025

ID0023002 NAKOELA UI TEAM

Universitas Indonesia

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Attempt 5

Current Rank

Technical Inspections

1. Inspection Queue Entry

2. Driver's Control

3. Vehicle Weight

4. Brakes

5. Vehicle Dimensions

6. Seat Belts, Roll bar & Exit

7. Visibility

8. Mechanical Vehicle Design

9. Electrical Vehicle Design

10. Energy Verification

11. Final Check

Previous participation