Paris Van Gorder
Paris Van Gorder Associate editor
11/26/24 4:52 p.m.
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Can’t have a car without a chassis, right? Well, now ERAU Motorsports has that, too, at least in concept.

The Structural Equivalency Spreadsheet, better known as SES, stands as the FSAE competition’s vital technical document used to ensure that a team’s chassis and frame designs meet competition rules.

SES is a grounds-for-removal document. In other words, if not submitted, a …

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DWNSHFT
DWNSHFT Dork
11/26/24 9:19 p.m.

I'm surprised to read that the SAE teams order their chassis.  From a carbon fiber specialist, or a tube frame specialist, or what?

Brotus7
Brotus7 Dork
11/26/24 10:25 p.m.

In reply to DWNSHFT :

Some teams have started ordering laser cut tubes these days to speed up the manufacturing process with better quality than manually fishmouthing all the joints. I expect that's the case here, or in the very least - ordering raw material now that they have the approval.

At least, I hope that teams aren't buying finished a chassis. The manufacturing process was a big part of the learning curve when I was in school.

Paris Van Gorder
Paris Van Gorder Associate editor
11/27/24 9:17 a.m.

In reply to DWNSHFT :

Most teams order their tubes cut and notched but the students weld it themselves. It's the most cost and time effective way since students go on fall break right about now and then winter break a few weeks later.  The company VR3 Engineering is the number 1 supplier for teams chassis. They have worked with over 200 colleges and universities and provide the teams a reduced cost. 

Mr_Asa
Mr_Asa MegaDork
11/27/24 9:56 a.m.
DWNSHFT said:

I'm surprised to read that the SAE teams order their chassis.  From a carbon fiber specialist, or a tube frame specialist, or what?

Proper allocation of resources is one of the best lessons a young engineer can learn. 

When we bent and notched the frame ourselves it added a minimum of 6 weeks to the build time.

It is designed in-house, just sent out for the work 

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