Supplying ample downforce when needed, and lower aerodynamic drag on the straits, the Dynamic Wing S shaved 2.36 sec off a lap around ThunderHill.   Here are the results and video from our road course test at ThunderHill.  Below you can find the details of the test, the methodology used to analyze the data, and a summary of the results.

JP M3 & Pitot Tube (click to enlarge)

• The car is a BMW E36 Coupe prepared for BMWCCA J-Prepared and NASA Time Trials.
• 210whp, 3.91 Limited Slip Differential, 5-Speed
• Full cage, 2983lbs w/ driver
• TCKline Koni Double Adjustables with full coilovers, Ground Control Sway Bars, delrin/poly bushings all around, etc.
• 255/40/17 Nitto NT01 R-Compounds on 17×9s
• Equipped with AeroMotions Dynamic Wing S

Rich Vijeh (RichV) is an accomplished SCCA and NASA racer with a number of SCCA Solo National Tour Titles and an SCCA Solo National Championship Trophy under his belt. He is within an eyelash of the track record at Infineon Raceway for BMW J-Prepared and has a wealth of experience at the ThunderHill track where we ran the test.

After installing the wing, Rich V had the following comments:

“The car definitely felt like the rear end was more planted. The lap times were definitely faster.”

During part of the baseline testing, the wing was run with a fixed angle of attack. After engaging the Dynamic Aero Processor (active control), Rich V commented:

“When we went active, I noticed it most in turn 8. It’s the highest speed turn at ThunderHill. It wasn’t scary at all through turn 8. It stayed planted.”

We conducted the tests over a single day at a small test event at ThunderHill after a weekend of Time Trials. Weather and track conditions stayed consistent throughout the day and there was plenty of rubber on the track line from a whole weekend of racing prior to the test day.

The test consisted of a number of sessions running each of the following configurations:

We made no other adjustments to the car setup during this test.

We gathered the data and did the following statistical filtering:

• We threw out in-laps and out-laps
• The driver ran extremely consistently – within a few tenths between nearly every lap on each session. To compute a representative lap-time for each configuration we threw away laps which were 1.5 standard deviations above and below the mean for the complete set (yes, this means throwing away some fast laps in each configuration, too).
• We picked the lap closest to the left of the mean lap time for each set as the representative lap. This is to illustrate the typical difference one should consistently expect from running each configuration.

Configuration	Representative Lap Time	Description
No_Wing	2:10.105	Car with no rear wing
Static	2:09.274	AM Dynamic Wing S Mounted, Fixed Angle of Attack, Endplates
Active	2:08.419	AM Dynamic Wing S Mounted, Aeromotions Dynamic Aero Processor Active, Endplates
Active_CenterPlate	2:07.736	AM Dynamic Wing S Mounted, Aeromotions Dynamic Aero Processor Active, Endplates, Centerplate

See a Turn by Turn analysis »

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AM_TH_08_DM_1.2.jpg

AM_TH_08_DM_2.jpg

AM_TH_08_DM_3.jpg

Here are a few TraqMate screen shots:

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Turns 3-6

Turns 6-8

Turns 9-15

Start to Finish trap speed

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