Shell Eco-marathon Qatar 2026 | Antawirya Rondhan ICE

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ID0002001 Antawirya Rondhan ICE

Diponegoro University

Prototype P Internal Combustion Engine ICE Gasoline

Results

Attempt 6

1,090.2

2,564.3

km/l

mpg us

Best attempt

Current Rank

2nd / 9

1 1,108.8 km/l 2,608.1 mpg us +1.7%

2 1,090.2 km/l 2,564.3 mpg us

3 754.0 km/l 1,773.6 mpg us -30.8%

Technical Inspections

Before they get on track, Prototype vehicles need to pass a series of 10 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

10/10
Complete 10/10 inspections passed

Passed

1. Inspection Queue Entry

4 / 4

Passed

2. Driver's Control

14 / 14

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)

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

Fire retardant gloves - Primary Driver (22 c)

Flat, closed toe shoes - Primary Driver (22 b)

Cotton socks, no bare skin visible - Primary Driver (22 d)

FCR balaclava if used - Primary Driver (22 d)

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

Ballast required? (20 b)

Ballast based on lightest driver (20 b)

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

Passed

3. Vehicle Weight

1 / 1

Passed

4. Vehicle Dimensions

6 / 6

Passed

5. Brakes

8 / 8

Passed

6. Driver Safety

23 / 23

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)

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

Crotch strap under body (29 b)

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

Safety belt has a tight fit (no slack), length adjustor high enough for adjustment (29 c)

No modifications of safety belt (29 h)

Safety belt strength verified (29 d)

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)

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

Front Crumple Zone = 100 mm (25 a ii)

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

Bulkhead rigid & fire resistant (27 b-d)

Bulkhead isolates energy/driver compartment (27 a)

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-c)

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

Intuitive steering control (32b)

Passed

7. Mechanical Vehicle Design

17 / 17

Front vis 180° & Tint - driver must be seen - Primary Driver (28 a)

Rear visibility - see cheat sheet - Primary Driver (28 b)

Windows material (polycarbonate/Lexan) (25 f)

Electrical automotive horn, sound level > 85 dBa @ 4 m (31 a, c)

Fully closed body (25 h, k)

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)

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

Running wheels (Pr:3/4) (25 a) i )

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

Wheel compliance (41 a, 48 c)

Tyres are in good condition (49 d)

Tyre valves are accessible (49 f)

Passed

8. Electrical Vehicle Design

21 / 21

Correct vehicle electrical schematic (67 c)

Charger built for battery (57 d iii)

Charging Protection (fire blanket, Lipo bag) (24 h)

Capacity < 1000 Wh (57 d iv)

Max 60 V Peak (57 a)

Only one Battery, 2 terminals, single physical package (57 b, i)

Solid metal containment tray OR Lipo bag (57 d vi)

Batt mount firm, behind b/head, not under seat (57 c)

Main fuse < 300 mm from +ve terminal ADD fuse size (57 e)

Main fuse is sized correctly for the system (57 e)

Elec system has proper fuse protection (57 e)

Electrical enclosures - transparent (57 g)

Electrical wiring connections visible/no splices (57 k)

JM Installation in engine compartment (56 c)

JM visible and accessible from outside (56 b)

JM Correct circuit location (56 c)

JM Counting Correctly (56 c)

Internal Estop Switch (37)

External Estop mounting location (37)

Latching External Estop push button (no push/pull levers) (37 g)

Blue triangle sticker (37 g iii)

Passed

9. Energy Verification

32 / 32

Passed

10. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Asia-Pacific and the Middle East 2025	Urban Concept UC	Internal Combustion Engine ICE (Gasoline)	2	414.68km/l 975.4mpg us
Asia-Pacific and the Middle East 2024	Urban Concept UC	Internal Combustion Engine ICE (Gasoline)	3	362.53km/l 852.72mpg us
Asia Pacific and the Middle East 2023	Urban Concept UC	Internal Combustion Engine ICE (Gasoline)	3	286.31km/l 673.45mpg us
Indonesia 2022	Urban Concept UC	Internal Combustion Engine ICE (Gasoline)	4	266.24km/l 165.43mpg us

Qatar 2026

ID0002001 Antawirya Rondhan ICE

Diponegoro University

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Attempt 5

Attempt 6

Current Rank

Technical Inspections

1. Inspection Queue Entry

2. Driver's Control

3. Vehicle Weight

4. Vehicle Dimensions

5. Brakes

6. Driver Safety

7. Mechanical Vehicle Design

8. Electrical Vehicle Design

9. Energy Verification

10. Final Check

Previous participation