DJS Racing

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India DJS Racing
DJS Racing
Full nameDJS Racing
BaseMumbai, India
Faculty AdvisorVinit Katira
CEOAtharva Sankhe
COONivesh Tulsian
CFODhruvin Acharya
CMOBhaumik Mehta, Karan Shah
CTOUmang Madia, Siddhart Gopal
Websitewww.djs-racing.com
2017 Formula Student Season
ChassisMS 1020, 1018 Tubular Space Frame
EngineKTM RC 390 (373.2cc water-cooled single cylinder)
TyresHoosier 18x6 - 10"
Formula Student Competitions
Debut2014 Formula Student Germany
Latest raceFormula Bharat 2018
Competitions competed2x FS Germany
1x FS India
2x Formula Bharat

DJS Racing is a formula-style racecar design team from Dwarkadas J. Sanghvi College of Engineering, Mumbai, India. It is a 50-member strong team consisting of undergraduate students from various departments of engineering who come together to contrive, design, develop and test a race car prototype that competes in Formula Student series held in India and around the globe. The competition requires students to use their engineering concepts to design and manufacture a single-seater high performance race car in the most cost efficient manner.

Team's Background[edit]

The inception of DJS Racing was in 2012 when a few aspiring engineers from the Mechanical and Production streams, fuelled by the desire to create and build a working model combined with their passion for speed begun to convert scrap metal into a race car. The team has since grown not only in number but also in knowledge and experience. The determination and ambition that drove the founders stands strong with the current team members too.The team follows a philosophy of optimisation of all resources and encourages innovation in design and manufacturing. A student enters DJS Racing as an amateur engineering student and returns as an industry ready engineer having learned technical skills, creative problem solving, project and time management. DJS Racing loves challenges and dares to go beyond the ordinary.

Racing Seasons[edit]

Season 1 (2014)[edit]

DJS Racing debuted in Formula Student Germany 2014 with its first prototype DJSR 01. With a group of 20 students and limited resources the team successfully managed to come up with a single cylinder open wheel racing car which was among the fastest teams to clear scrutineering. The team also placed 24th in the business event, making it 5th among the Indian teams overall, a remarkable feat for a debutant.[1] Due to minor technical glitches the team couldn't compete in the dynamic events but learned a lot from the experience which paved the way for future advancements.

Technical Specifications of DJSR 01[edit]

Car Number •77 (FS Germany)
Chassis •AISI 1020 Steel Tubular Space Frame

•TIG welding with 1020 steel filler material

Body •Glass Fibre
Wheels •Custom 3 Piece Aluminium center wheels
Tyres •Hoosier 205x55 R13 racing slicks
Engine •2010 Royal Enfield Bullet 500

•498.8 cc (30.43 cu in) air-cooled single cylinder •3D Printed Intake Manifold

Power •27.2BHP@5250RPM (on wheels)
Torque •41.3N-m@4000RPM (on wheels)
Brakes •Wilwood GP310 Calipers with 220mm rotors
Suspension •Double unequal length A-arm

•Pullrod actuated horizontally oriented spring and damper,Pull type actuated vertical

Steering •Steering Ratio: 12:1
Transmission •Torsen Type 1 Differential

•1:3 Bias Ratio •Chain Drive with Halfshafts

Total Weight •248 kg

Season 2 (2015-16)[edit]

DJSR 02 was built using a KTM Duke 390 engine, with the aim of reducing weight and thus boosting accelerating capability. The second prototype weighed just under 200 kilograms, achieving a 30% weight reduction over the previous variant. With this car the team competed at Formula Student India 2016 securing a 6th position overall despite being a first year team at the competition.[2] The all inclusive transmission and suspension design along with the compact packaging of the car lead the team to securing a coveted 4th position in the design finals. The team's well maintained finances and budgeting resulted in the team placing 2nd in the cost event. DJSR 02 was among 9 teams who competed in the endurance event. The judges acclaimed the team's design methodology and saw great potential in the team.

Technical Specifications of DJSR 02[edit]

Car Number •77 (FS India)
Chassis •AISI 1020 Steel Space Frame

•TIG welding with carbon steel filler material •FEA validated

Body •Glass Fibre
Wheels •10" 3 piece Aluminium Keizer Rims

•Custom Aluminium Wheel Centre.

Tyres •Hoosier 18x6x10" racing slicks
Engine •2013 KTM Duke 390

•373.2 cc (22.78 cu in) liquid-cooled single cylinder •3D Printed Intake Manifold and SS Exhaust Manifold

Fuel type •95 RON gasoline.
Power •43BHP@ 9500RPM
Torque •35N-m@ 7250RPM
Brakes •ISR Calipers with 180mm rotors
Suspension •Penske Quarter Midget from Kaz Technologies

•Double unequal length A-arm •Pullrod and Pushrod actuated horizontally oriented spring and damper

Steering •Steering Ratio: 3.96:1

•Carbon Fibre and Foam Steering Wheel with 3D Printed Handles.

Transmission •Torsen Type Limited Slip Differential

•Electronic Button Shifting with Clutchless Upshifting. •Chain Drive with unequal length Halfshafts

Electronics •Performance Electronics PE3 ECU

•Custom Wiring Harness •Real-time LED RPM Display

Ergonomics •Adjustable Pedal Box
Total Weight •199.5 kg

Season 3 (2016-17)[edit]

DJSR 03’s first competition was Formula Bharat 2017 held in Coimbatore where they finished 6th overall. They were awarded 1st Prize in Design Event because of their excellent skills on validating the concepts behind designing the car. Along with this, they performed really well in static events and were 2nd best in Static events and 3rd most fuel efficient car at the competition.

The team even qualified for Formula Student Germany by being the 10th fastest team to clear the quiz all around the world. For this event, the car was upgraded after its Indian competition by implementing Drexler Differential, Data Acquisition System, etc. It was acclaimed the Best Indian team at the competition and was the 2nd best Asian team too. They secured 41st position overall with 13th place in Cost event, 16th place in Design event and 23rd place in Business Presentation. Also, it was the sole Indian team to complete all Dynamic events.

Technical Specifications of DJSR 03v1[edit]

Car Number •12 (Formula Bharat)
Chassis •AISI 1020 Steel Space Frame

•TIG welding with carbon steel filler material •FEA validated

Body •Carbon Fibre
Wheels •10" 3 piece Aluminium Keizer Rims

•Custom Aluminium Wheel Centre.

Tyres •Hoosier 18x6x10" racing slicks
Engine •2016 KTM RC 390

•373.2 cc (22.78 cu in) liquid-cooled single cylinder •3D Printed Intake Manifold and SS Exhaust Manifold

Fuel type •95 RON gasoline.
Power •43BHP@ 9500RPM
Torque •35N-m@ 7250RPM
Brakes •ISR Calipers with 184mm rotors
Suspension •Penske Quarter Midget from Kaz Technologies

•Double unequal length A-arm •Pullrod and Pushrod actuated horizontally oriented spring and damper

Steering •Steering Ratio: 3.18:1

•Carbon Fibre and Foam Steering Wheel with 3D Printed Handles.

Transmission •Torsen Differential

•Electronic Button Shifting with Clutchless Upshifting. •Chain Drive with unequal length Halfshafts

Electronics •Performance Electronics PE3 ECU

•Custom Wiring Harness •Real-time LED RPM Display

Ergonomics •Adjustable Pedal Box
Total Weight •182 kg


Technical Specifications of DJSR 03v2[edit]

Car Number •347 (FS Germany)
Chassis •AISI 1020 Steel Space Frame

•TIG welding with carbon steel filler material •FEA validated

Body •Carbon Fibre
Wheels •10" 3 piece Aluminium Keizer Rims

•Custom Aluminium Wheel Centre.

Tyres •Hoosier 18x6x10" racing slicks
Engine •2016 KTM RC 390

•373.2 cc (22.78 cu in) liquid-cooled single cylinder •3D Printed Intake Manifold and SS Exhaust Manifold

Fuel type •95 RON gasoline.
Power •43BHP@ 9500RPM
Torque •35N-m@ 7250RPM
Brakes •ISR Calipers with 184mm rotors
Suspension •Penske Quarter Midget from Kaz Technologies

•Double unequal length A-arm •Pullrod and Pushrod actuated horizontally oriented spring and damper

Steering •Steering Ratio: 3.18:1

•Carbon Fibre and Foam Steering Wheel with 3D Printed Handles.

Transmission •Drexler Limited Slip Differential

•Electronic Button Shifting with Clutchless Upshifting. •Chain Drive with unequal length Halfshafts

Electronics •Performance Electronics PE3 ECU

•RaceCapture Pro DAQ and Wireless Telemetry •Custom Wiring Harness •Real-time LED RPM Display

Ergonomics •Adjustable Pedal Box
Total Weight •181 kg

Season 4 (2017-18)[edit]

The team is redesigning most of their components to improve the car’s performance and is exploring upcoming materials and manufacturing techniques to optimize the overall construction of the car. The team plans to introduce ergonomically designed components, CF Undertray and much more and with extensive testing and driver training is sure of landing a podium finish at the competition this season.

Media[edit]

DJSR02 on Endurance Track

References[edit]

  1. ^ "FSG Results". formulastudents.de.
  2. ^ "DNA Report". DNA Mumbai.

See also[edit]

Coordinates: 19°06′27″N 72°50′15″E / 19.107559°N 72.837467°E / 19.107559; 72.837467