Duke University Motorsports is a student group that designs and builds open wheel, single seat race cars to compete in the Formula SAE competition sponsored by the Society of Automotive Engineers. The team consists of Duke students from both Pratt and Trinity, in all classes. The purpose of the team is to provide students with a way to gain practical design and manufacturing experience in a fun and challenging setting.

Tuesday, October 18, 2011

Throttle body, frame jig, and wheel speed sensor

Some quick progress updates:

The frame jig is finished, and all we're waiting on now is our roll hoops.  Hopefully they'll get here soon...

 Some more pictures of the frame jig:

This Saturday we played a little bit with our Honeywell GT101 hall effect sensor with the intention of using it as a wheel speed sensor for Danny's proposed senior design project.  No modified geometry on the front, just using the rotor as is:

We made a jig to attach a motor to an upright and used the brake rotor as a trigger wheel.  The inboard attachments to the hub make great trigger teeth.  The sensor worked very well, even with a large air gap, as demonstrated in the video below:

Also, I started machining our new throttle body.  Both housing parts are now done:
Machined throttle body housing
Throttle body housing in CAD
A few pictures of the machining process:

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