Shell Eco-marathon Asia-Pacific and the Middle East 2024 | Semar Proto UGM

Asia-Pacific and the Middle East 2024

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301

ID0022002 Semar Proto UGM

Universitas Gadjah Mada

Prototype P Battery Electric Battery Electric

Results

Attempt 5

903.1

561.1

km/kWh

mi/kWh

Best attempt

Current Rank

2nd / 17

1 958.2 km/kWh 595.4 mi/kWh +6.1%

2 903.1 km/kWh 561.1 mi/kWh

3 832.9 km/kWh 517.5 mi/kWh -7.8%

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

3 / 3

Passed

2. Driver's Control

15 / 15

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

Helmet label readable - Primary Driver (21 a)

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

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

Racing suit (s) / Gloves - Primary Driver (21 a, c)

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)

SHELL logo front / both sides (4 a-g)

Race number front / both sides (4 a-g)

Partner sticker both sides (4 a-g)

Other stickers < 400 cm² (4 a-g)

Passed

3. Vehicle Weight

2 / 2

Passed

4. Brakes

9 / 9

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 rotors point in direction of wheel rotation (43 a)

No acting on tyres (43 a)

All wheels have brakes (43 a)

Ergonomy (both hands on steering mech.) (43 a)

Effectiveness Ramp Test (43 b)

Passed

5. Vehicle Dimensions

6 / 6

Passed

6. Seat Belts, Roll bar & Exit

12 / 12

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

Safety Belts - chassis fixing (29 d)

Crotch strap under body (29 b)

Top strap at 10° angle (29 b)

Length adjustor high enough for adjustement (29 b)

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

Safety belt strenght 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

19 / 19

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 marked with red arrow (30 c)

No adhesive tape to seal driver compartment (30 d)

Bulkhead rigid & fire resistant (27 b-d)

Bulkhead isolates energy/driver compartment (27 a)

Chain/belt guard (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 cables..) (41 e)

Steering efficiency no play (42 d)

If indirect electric steering, must have manual override (42 c)

If electronic steering no joystick (42 c)

Passed

9. Electrical Vehicle Design

20 / 20

Correct vehicle electrical schematic (58 c)

Charger built for battery (57 d iii)

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

Capacity < 1000 Wh (57 d iv)

Max 48 V nominal (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)

Elec system has proper fuse protection (57 e)

Electrical enclosures - transparent (57 j)

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 f) i)

External Estop mounting location (37 f (ii))

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

Blue triangle sticker (37 f (iii))

Passed

10. Energy Verification

12 / 12

Doc'n (schematic) (58 c)

Doc'n (Batt/BMS) (58 c)

Doc'n (motor controller) (58 c)

Doc'n (motor size) (58 c)

Self-built batt - cell level current protection (57 d ii)

In-vehicle Battery Management System (57 d i)

Purpose built motor controller (67 a)

JM Position in circuit (56 d)

Estop Function - Physical Isolation of Batt (37 d)

Dead man's switch (37 h)

Efficiency of emergency shutdown (37 a-c)

Batt + and - isolated from frame and body (57 f)

Passed

11. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Qatar 2026	Prototype P	Battery Electric Battery Electric	3	828.29km/kWh 514.67mi/kWh
Asia-Pacific and the Middle East 2025	Prototype P	Battery Electric Battery Electric	2	805.09km/kWh 500.26mi/kWh
Asia Pacific and the Middle East 2023	Prototype P	Battery Electric Battery Electric	1	779.57km/kWh 484.4mi/kWh
Indonesia 2022	Prototype P	Battery Electric Battery Electric	1	586.85km/kWh 364.65mi/kWh

Asia-Pacific and the Middle East 2024

ID0022002 Semar Proto UGM

Universitas Gadjah Mada

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