team Swinburne's FSAE Vehicle Dynamics Simulator
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Uploader Comments (DMart12)
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If you guys are limited by a 20 mil air restrictor, has anyone considered a turbo?
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Mount your shocks down lower... Formula 1 puts them there for the aero efficiency. Fsae isn't an aero formula, its ultimately a suspension formula (and possibly chassis weight formula). Everyone should make their 67 odd horsepower (or whatever the theoretical limit is through a 20mm air restrictor). If you invert the push rods and mount the shocks at the bottom you lower the cg of the car. Put them under the driver if you have to...
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look like the traxxas supenssion
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Nice Work. What simulation or software did you use to make the design?
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I think something was wrong in this video. When the car takes a left turn for example, in the video, the suspension on the right of the car should compress, since the load is being applied to the outside of the car. In the video, when the wheels turn left, the suspension on the left side of the car compresses, when in reality it would decompress.
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Use MSC/ADAMS... no solidworks!
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Shocks were mounted high (pushrod suspension) to allow for better motion ratios, and avoid excessive loads in the suspension arms. It also gives easier access to dampers for making adjustments. Also, the rules were changed in 2006 to make sure the driver had adequete leg room (which ts had been criticised for in the past), and we switched to a larger damper in the same year. The high-mounted dampers helped us ensure we were compliant with these rules. Lower CG took a back seat to these factors.
DMart12 1 year ago
Yep - I messed it up. There were issues with the assembly and basically it had to be partially rebuilt every time I wanted to use it, and I must have messed up the input for the steering motion. This one was thrown together for an example so it didn't really matter - good spot though.
DMart12 3 years ago
Used solidworks because it was what the uni had. Simulator, not animator - we were able to get some (preliminary) values for things like motion ratios, and simulate loads from dampers and springs. Basic, but it worked (usually).
DMart12 4 years ago