Singapore's first electric formula SAE race car built completely by undergraduates, Lifestyle News & More News Here

What do you get with a bunch of devoted engineering college students and an concept to go quick? You construct a race car out of it. Specifically, you construct a Formula SAE (FSAE) race car to showcase your concept, even when it means venturing into new territory. 

On Tuesday (June 28), NUS unveiled its Formula SAE race car, the R22e, with Senior Minister of State, Ministry of Finance and Ministry of Transport, Mr Chee Hong Tat because the visitor of honour.

Engineering undergraduates from the National University of Singapore have been partaking in FSAE Michigan, an inter-varsity competitors that includes among the world’s finest universities, for numerous years now, even acquiring putting within the high 20 positions amongst nearly 150 universities constantly. Unfortunately, these college students haven’t been capable of compete within the Formula SAE Michigan for the previous two years as a result of Covid-19 pandemic.

However, progress on constructing and refining their concepts for the Formula SAE vehicles by no means stopped, with progress persevering with on all through the pandemic. 2021 additionally marked the ultimate 12 months that these engineering college students would use an inner combustion engine to energy their race car, for they determined to make the swap to electric energy for the 2022 iteration.

Comparing the figures side-by-side, the 2021 FSAE race car, the R21, made 77 hp and 57 Nm of torque from a 600cc motorbike engine and was paired with a six-speed sequential transmission, weighed 216.9kg, and did 0-100km/h in 4.7 seconds, and with a power-to-weight ratio of 355hp/tonne.

The 2022 car then again, the R22e, is powered by an 80kW/107 hp electric motor with a single pace chain drive to transmit energy to the rear wheels, and weighs 208.2kg. While the facility improve may appear modest, the R22e’s torque determine is extra spectacular, which at 230 Nm, is a 4 time improve over the R21’s torque determine.

Combined with the R22e’s mild weight, the facility to weight ratio is 514hp/tonne, permitting the R22e to finish the century spring in 3.9 seconds. To put that in perspective, that’s nearly equal to the Bugatti Veyron’s power-to-weight ratio of 523hp/tonne. The high pace of the R22e can also be greater in comparison with the R21, with the ability to hit 125km/h as in comparison with the 93.8km/h of the R21.

The low weight of the R22e is all the way down to its being constructed completely out of carbon fibre, with the chassis itself being a carbon fibre monocoque boasting a torsional stiffness of 6222Nm/diploma, making the chassis extraordinarily inflexible.

In his remarks, Professor Seah Kar Heng, who’s the advisor for the NUS Formula SAE venture, revealed that work on the Formula SAE race vehicles didn’t falter even within the face of the pandemic, with the scholars persevering with to construct vehicles for 2020 and 2021 even after they knew that they weren’t going to have the ability to compete in Formula SAE Michigan.

Professor Seah additionally talked about how he had “withdrawals” from the R22e switching to electric energy after 20 years of NUS Formula SAE vehicles being powered by inner combustion engines, but additionally acknowledged that change was crucial, given the worldwide local weather state of affairs.

One of the undergraduates Motorist spoke to additionally talked about that the R22e shouldn’t be but totally optimised attributable to provide chain delays affecting the arrival of sure elements and parts, which sadly resulted in NUS not with the ability to compete on this 12 months’s Formula SAE Michigan.

However, the scholars are taking the teachings they’ve learnt from constructing the R22e and might be making use of them within the construct for subsequent 12 months’s car, which they purpose to enter within the 2023 version of Formula SAE Michigan.

This article was first printed in Motorist.

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