About ETWDC
The Electric Two-Wheeler Design Challenge (ETWDC) is a premier student competition organized by SAEINDIA Southern Section in memory of Dr. G. Padmanabham. It challenges engineering students to design, engineer, and build functional electric two-wheeler prototypes that reflect innovation, sustainability, and real-world applicability.
Innovation Focus
Combines hands-on workshops with rigorous technical evaluations
Future-Ready Engineers
Nurtures students with strong foundations in electric mobility
System-Level Thinking
Bridges academic knowledge with industry expectations
🚀 Why Participate in ETWDC?
ETWDC is more than just a student competition—it's a launchpad for future-ready engineers. Designed for aspiring professionals entering the automotive and electric mobility sector, this competition provides a 360-degree, workplace-like experience that simulates the complete product development lifecycle.
Static & Dynamic Design
Master two-wheeler design fundamentals
Electric Powertrain
Design and integration expertise
System-Level Thinking
Real-world problem-solving skills
Technical Communication
Presentations and Q&A expertise
Learning Opportunities
- Concept refinement workshops for students and faculty
- Technical paper publications and IP generation opportunities
- Exposure to latest industry technologies
- Build confidence, leadership, and engineering excellence
Career Benefits
- 360-degree workplace-like experience
- Complete product development lifecycle simulation
- Industry expectations and standards exposure
- Platform for engineering excellence development
🔧 What You Will Learn
Design & Engineering Skills
Documentation Mastery
- • Master layout and design documentation
- • Critical dimension calculations
- • Powertrain simulations
Analysis & Reports
- • CAE analysis and reports
- • Part drawings and revisions post-CAE
- • Vehicle weight estimation
Aesthetic Design
- • Color, shape, and texture considerations
- • User experience optimization
- • Design for manufacturability
👨🏫 Meet Your Mentors
Learn from industry veterans with decades of real-world experience. Our expert instructors bring hands-on knowledge from leading automotive organizations to guide you through every step of the ETWDC journey.
Mr. C. Varatharajan
Retired Chief Engineer
TAFE, TATA Motors
Mr. Venkateshwaran
Manager
Royal Enfield
Mr. Armstrong
CAD Expert
RAAA Associates
Mr. Nallaperumal S.S.
Technical Lead
Vitesco Technologies, Stellantis
Competition Impact
Successful Editions
Years of Excellence
Total Participants
Future Engineers
Participating Colleges
Across India
Industry Placement
Career Success Rate
Competition Structure
Design Review 1 - Foundation (190 Points)
Master Layout & Documentation
- Complete 3D vehicle schematic in NX CAD
- Aggregate positioning with wheel centers reference
- Tube diameter & dimension calculations
- Powertrain selection with simulations
Technical Requirements
- Charging circuit diagram (Standard)
- Electric motor drive circuit
- CAE analysis reports
- E-BOM & costing sheets
Technical Specifications
Vehicle Architecture
Frame & Structure
Suspension & Steering
- • Front & rear suspension mandatory
- • Front wheel steer with handlebar only
- • Steering stop: max 45° each side
- • Rake angle: 22-30 degrees
Electric Powertrain
Battery System
Motor & Drive
- • BLDC/DC Motor: 750W to 1000W rated
- • Hub or Mid drive type allowed
- • Dust & water entry resistance
- • Belt/chain/gear transmission covered
Safety & Compliance
Braking System
- • Must meet Central Motor Vehicle Rules
- • Brake lines isolated from moving parts
- • No contact with high voltage lines
- • Proper tagging with rigid members
Lighting & Signaling
As per AIS 009 / IS:15796
Instrumentation
Speedometer, odometer & battery SOC indicator as per AIS 126
Competition Timeline 2025
Registration Deadline
July 15, 2025
Last date for team registration & fee payment
Workshop Phase
Aug 2025
Expert lectures, hands-on training & technical sessions
Design Report Submission
Sep-Oct 2025
Technical documentation, CAE analysis & manufacturing drawings
Final Competition
January 2026
Physical vehicle presentation, technical inspection & dynamic events
Innovation Focus Areas
Electric Drive Innovation
Advanced motor control systems & power electronics
Suspension Design
Novel suspension & ride comfort optimization
Frame Engineering
Lightweight structures & material innovations
Battery Management
Smart BMS design & thermal management
Sustainable Design - 3R Principle
Reduce
Minimize material usage and energy consumption in design
Reuse
Design for component reusability and modular architecture
Recycle
Use recyclable materials and plan for end-of-life disposal
Ready to Innovate?
Join 4,000+ engineering students building the future of sustainable transportation. Design your electric scooter and compete for ₹2.5 Lakh in prizes!
₹23,600
Registration Fee
Inclusive of 18% GST
Max 10
Team Members
Multidisciplinary teams preferred
July 15
Registration Deadline
Don't miss out!
₹2.5L
Total Prize Money
Plus certificates & recognition
Need Help?
Contact our Competition Champion
Mr. Bharathiraja. S.E
✉️ etwdc@saeiss.org