Chassis

Due to WSC regulations, our new car must have 4 wheels and additional head space. These new design challenges were meet and optimized by Andrew Liotta our lead engineer who designed the chassis. Dillon McConnon, our system lead made sure the chassis integrated well with the other subsystems such as the aero shell and electrical boxes.

isometric view

solidworks rendering of the chassis design

With the design complete and tolerances adjusted, we have now begun the building process. Using 4130 steel tubes, cut and coped to fit at the correct angles the chassis is welded together. This is a challenging and precise endeavor as it is important to have a minimal gap between adjoining rods in order to make a strong weld.

setting up to weld

Priya (left) and Kathleen (right) set up the steel tube in preparation for welding

Once set up (with jigs to hold things in place) the tubes are welded together. In fabrication of the chassis, the preparation takes longer than the actual welding time. Below is a time lapse of one evening’s effort of welding done by Thomas Villalon.

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our newest silver sponsors

sunpower logo
SunPower Corporation designs and manufactures high-efficiency crystalline silicon photovoltaic cells, roof tiles and solar panels based on a silicon all-back-contact solar cell invented at Stanford University. Sunpower has graciously agreed to sponsor by donating of a package of the Maxeon Gen II  solar cells and interconnects. These monocrystalline silicon solar cells are approximately 22% efficient and with Sunpwower’s all back contact and patented tin plated copper interconnect tabs we will be able to create custom modules for our solar array.

new solar cells what the front of a bare solar cell looks like interconnects
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hexcel logo

Hexcel is a materials company incorporated in Delaware and headquartered in Stamford, Connecticut, that manufactures composite materials and structural parts. Hexcel has provided us sheets of Nomex honeycomb which we plan to use in both the top and bottom portions of the aerodynamic shell of our four wheeled vehicle sandwhiched between layers of carbon fiber.
nomex honeycomb


With these in-kind donations, both Sunpower and Hexcel will be considered silver level supporters of the MIT Solar Electric Vehicle Team and as such their logos will appear on the solar car, support vehicles, team apparel and website. Thank you!

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The Solar Car will be out and about in the Boston area this spring!

Keep an eye out for the MIT Solar Electric Vehicle Team in the next few months!

We’ll be at several events, including:

MIT xFair, February 2nd

Check out their website here: http://xfair.mit.edu/

Wellesley STEM Expo, March 28th

See here for more information: https://www.wellesleyeducationfoundation.org/events/science-technology-expo

WellesleyExpo

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