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4th annual ReFuel: Sun 7/1/12 @ Laguna Seca

Discussion in 'EVents' started by smorgasbord, May 17, 2012.

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  1. Timothy

    Timothy Driving on Sunshine

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    I think the reason I didn't have a better time was not the limitations of the car or tires, but the limitations of the driver!
     
  2. brianman

    brianman Burrito Founder

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    #102 brianman, Jul 15, 2012
    Last edited: Jul 15, 2012
    Impressive. Not much more to say.
    Code:
    [SIZE=3]2012 CARS[/SIZE]
    -------------
    [B]CLASS       PLACE  DRIVER             VEHICLE                   LAP TIME   SPEED[/B] 
    [B]                                                                           (AVG)[/B] 
    PROTOTYPE     1    KEVIN MITZ         Kleenspeed EV-X11         01:32.0     87.5
    PROTOTYPE     2    IKUO HANAWA        Summit HER-02             01:48.9     73.9
    [COLOR="#FF0000"]PROTOTYPE     3    MATT BROWN         Tesla Model S Prototype   01:59.5     67.4[/COLOR]  Auto Design & Dev Eng, Tesla
    PROTOTYPE     4    STEVEN MUSCARELLI  Custom Electric Kart      02:25.4     55.4
    ----------
    [COLOR="#FF0000"]PRODUCTION    1    SEAN WHEELER       Tesla Model S             01:51.8     72.0[/COLOR]  Vehicle Dynamics Chassis Eng, Tesla
    [COLOR="#FF0000"]PRODUCTION    2    AARON BAILEY       Tesla Model S             01:52.8     71.4[/COLOR]  Vehicle Dynamics Eng, Tesla
    [COLOR="#FF0000"]PRODUCTION    3    JOHN SPRUILL       Tesla Model S             01:52.9     71.3[/COLOR]  Vehicle Test Mgr, Tesla
    [COLOR="#FF0000"]PRODUCTION    4    DALE SIEVWRIGHT    Tesla Model S             01:56.1     69.4[/COLOR]  ... and test driver for Tesla & GM
    [COLOR="#0000FF"]PRODUCTION    5    BILL ARNETT        Tesla Roadster            01:58.4     68.0[/COLOR]
    [COLOR="#FF0000"]PRODUCTION    6    HUIBERT MEES       Tesla Model S             01:59.5     67.4[/COLOR]  Chassis Technical Fellow, Tesla
    [COLOR="#0000FF"]PRODUCTION    7    JOHN ROBISON       Tesla Roadster Sport      02:00.2     67.0[/COLOR]
    [COLOR="#0000FF"]PRODUCTION    8    STEVE HAND         Tesla Roadster            02:02.1     66.0[/COLOR]
    PRODUCTION    9    NADER ASSEMI       Nissan Leaf               02:02.9     65.6
    [COLOR="#0000FF"]PRODUCTION   10    TIMOTHY RODGERS    Tesla Roadster            02:03.0     65.5[/COLOR]
    [COLOR="#0000FF"]PRODUCTION   11    DAVID ALLMON       Tesla Roadster            02:03.2     65.4[/COLOR]
    [COLOR="#0000FF"]PRODUCTION   12    STUART CHESHIRE    Tesla Roadster            02:04.0     65.0[/COLOR]
    PRODUCTION   13    DON LOUV           BMW ActiveE               02:06.5     63.7
    [COLOR="#0000FF"]PRODUCTION   14    BENNETT LEEDS      Tesla Roadster            02:09.0     62.4[/COLOR]
    PRODUCTION   15    JON PARKER         BMW ActiveE               02:11.5     61.3
    PRODUCTION   16    CORY LAGOE         CODA 1.0                  02:12.1     61.0
    PRODUCTION   17    ADRIAN COCKCROFT   Nissan Leaf               02:12.3     60.9
    PRODUCTION   18    MATT WALTON        Nissan Leaf               02:13.3     60.4
    PRODUCTION   19    JACK BROWN         BMW ActiveE               02:15.9     59.3
    PRODUCTION   20    RICK UMSTATTD      Nissan Leaf               02:16.5     59.0
    PRODUCTION   21    EMRE TUNCER        BMW ActiveE               02:17.0     58.8
    [COLOR="#0000FF"]PRODUCTION   22    STEPHEN CASNER     Tesla Roadster            02:19.5     57.7[/COLOR]
    PRODUCTION   23    JER GRANUCCI       BMW ActiveE               02:22.1     56.6
    PRODUCTION   24    HOWARD CLEARFIELD  Nissan Leaf               02:41.4     49.9
    ----------
    CONVERSION    1    RICHARD RODRIGUEZ  Porsche 914 Conversion    02:37.0     51.3 
    CONVERSION    2    STEPHEN JOHNSEN    Pontiac Fiero Conversion  02:42.0     49.7
    CONVERSION    3    MARK BUSH          Bradley GT-E              02:46.3     48.4
    
    Edit: Added some Linked In info for the S drivers.
     
  3. brianman

    brianman Burrito Founder

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    #103 brianman, Jul 15, 2012
    Last edited: Jul 15, 2012
  4. jcstp

    jcstp Active Member

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    #104 jcstp, Jul 16, 2012
    Last edited by a moderator: Mar 13, 2016
    did these model S video's already got posted?





     
  5. brianman

    brianman Burrito Founder

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    Looks like we might have seen a 1:40 if the rest of the field was faster.
     
  6. TEG

    TEG TMC Moderator

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    The record runs are from the "Timed Trial" lap which had the cars spaced such that there was no traffic to slow you down.

    Many of the videos were from the open sessions where lots of passing (and slowing down) was happening.
     
  7. DSA

    DSA R #212 Twilight Blue

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    #107 DSA, Jul 16, 2012
    Last edited by a moderator: Mar 13, 2016
    Finally getting around to posting my videos from this year's Refuel Races. Thanks to smorgasbord for telling me about this and posting it, thanks to Speed Ventures for continuing to host such an awesome event, and thanks to everybody who was there for a great time.


    Session 1:



    My first time on track for anything more than a parade lap, with Peter as my driving instructor. Apologies to the starting guy who I blew past, and a big thank you to Peter. Just for grins, here's a graphical view of info from my VMS for this session:

    RefuelRacesLagunaSecaSession1 MPH Pedal ESS Current charts Edit.jpg

    Session 2:



    Here's a cheat sheet to what happens in this Session:

    Session Two
    0:45 - I start moving, follow black Model S onto track
    2:31 - pass Leaf
    3:31 - pass Leaf
    3:35 - start Lap 1, follow Model S
    5:38 - Finish Lap 1 at my best lap time of the day: 2:03, start Lap 2
    5:52 - stuck behind Leaf
    6:12 - pass Leaf
    7:43 - pass BMW ActiveE
    7:44 - Finish Lap 2, start Lap 3
    8:01 - Excitement - fishtail a bit after Turn 2
    8:28 - pass Red Volt
    9:45 - pass Grey Roadster - Hi!
    9:55 - Finish Lap 3, start Lap 4
    10:44 - stuck behind leaf - "Come on, leaf!"
    11:02 - pass silver Leaf
    11:31 - bumpy Corkscrew - catch some air?
    12:14 - Finish Lap 4, start Lap 5, car doesn't accelerate like it used to
    12:43 - Excitement 2 - Car really fish tails and tires squeel, glad I recovered quickly
    13:50 - honk! (I gotta try to avoid the buttons for the horn near where I grab on the steering wheel)
    14:15 - passed by Red Roadster
    14:34 - Finish Lap 5, get checkered flag
    16:35 - exit track
    Graphical info from VMS, you can really see how power (current) becomes limited as the car protects itself from an overheat condition - late in the session the pedal is pressed 100% with less and less current in response:

    RefuelRacesLagunaSecaSession2 MPH Pedal ESS Current charts edit.jpg

    Session 3, Time Trial:



    2:03 Time trial, including some time on track before and after time trial. Top speed during the time trial: 98.1 mph, Graphical info from VMS:

    RefuelRacesLagunaSecaSession3TT MPH Pedal ESS Current charts edit.jpg

    Session 4:



    Here's a cheat sheet for what happens in this session:

    Session 4: Final session
    1:45 start corkscrew
    2:00 Coda Spinout
    Lap 1: 2:43 to 4:48 - 2:05
    5:55 - Following Model S in Corkscrew
    Lap 2: 4:48 to 6:55 - 2:07
    Lap 3: 6:55 to 9:08 - 2:13
    8:25 - Following Model S in Corkscrew again
    Lap 4: 9:08 to pits
    11:30 - oops, missed turn, went into pit lane
    11:55 - Watching electric bikes roll out
    12:55 - Pull off track
    Graphical info from VMS:

    RefuelRacesLagunaSecaSession4 MPH Pedal ESS Current charts edit.jpg



    An excerpt from Session 4 where the Coda spins out. Just goes to show, turn 9 after the Corkscrew can be the trickiest.
     
  8. brianman

    brianman Burrito Founder

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    Neat. In retrospect, did you feel you were prepared? What was most surprising, or what did you learn that you didn't in prep/training?
     
  9. Doug_G

    Doug_G Lead Moderator

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    You can certainly tell that the Model S drivers had differing levels of experience. The driver with the camera (red) had the line down pat. That one he was chasing in the first video was all over the place.
     
  10. Doug_G

    Doug_G Lead Moderator

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    #110 Doug_G, Jul 16, 2012
    Last edited by a moderator: Mar 13, 2016
    Wow, somebody has square tires...
     
  11. gg_got_a_tesla

    gg_got_a_tesla Model S: VIN P65513, Model 3 Res Holder

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    Contrast the Sound of Silence (but for the rubber on the tarmac) with the farting...excuse me...noisy M5!
     
  12. vfx

    vfx Well-Known Member

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    Thanks for all this!
    All those Leafs ahead of Stephan Casner. Babying his baby? (like I would) or just a really a slow driver? :)
     
  13. brianman

    brianman Burrito Founder

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    Are there any video cameras on the market that record location, altitude, speed, etc.? I'd love to see an overlay during the race videos (next year?) that shows the vehicle speed.
     
  14. DSA

    DSA R #212 Twilight Blue

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    Considering that my prep for this was driving the track in Forza 4 on the XBOX 360, I'd say I turned out to be better prepared than I expected to be. The "point to pass" arrangement worked well as long as folks paid attention to their rear view mirror. It goes without saying, but there is a lot to think about while you're on the track. Many people have asked me, "How fast did you go on the track?" And I had to go back to my vehicle logs to find out. About 98 mph. If I'd only pushed a little harder to get to 100 mph... I generally wasn't looking at the speedometer, I was looking at the track, trying to stay on some kind of racing line, keeping an eye out for flags, making sure folks weren't coming up behind me and so on. My instructor had suggested I brake in a straight line, but in the simulation on the xbox, I had gotten into a bit of a habit of braking a bit up until the apex of the turn, then accelerating out. I didn't really know what I was doing well enough or get enough practice in to perfect that, though. I also never turned the traction control off. I could really feel the traction control limiting power coming out of turn 11, so I probably could have shaved a bit of time off by turning the TC off. Or I could have ended up losing control and going into a wall. I'm mostly glad I left the TC on. All in all, this taught me that racing is fun, but my Roadster is just too precious to really risk it on the track. And the fact that it becomes power limited after one or two laps, at least by the second session, means limited practice time at full power. So I think I'd like to participate in any future Refuel Races, but I'll take it easy and try any real risk taking on the track in a less expensive and less "one of a kind" car.
     
  15. MDR

    MDR Member

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    Steve was not babying his baby as far as i could tell, and he's definitly not a slow driver.

    Check last years lap times.
    View attachment sportelectric.pdf
     
  16. Doug_G

    Doug_G Lead Moderator

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    That is called "trail braking", and it is generally considered a more advanced technique not to be used by novice drivers...

    Yeah, the Roadster got me into motorsports, but I've picked up a 10 year old S2000 to use as a track car. I'll still take my Roadster out to the track once in a while, but the S2000 is my primary track car. If I were to put the S2000 into the tire wall at Calabogie I'd be pissed, but if I did that with the Tesla I'd be in tears.

    (The last time I took my Roadster to autocross, it was at a different parking lot than usual... and it took off three of my mud flaps. Those things are $75 plus labor each...)
     
  17. brianman

    brianman Burrito Founder

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    Do you think a passenger helps (more eyes / ears / processing power) or hurts (distraction)?

    It looks like a lot of fun, but I'd prefer fewer on the track for more breathing room.
     
  18. TEG

    TEG TMC Moderator

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    The range from one end of the spectrum to the other.

    From a professional driving instructor passenger giving very targeted advice on technique...
    to
    A screaming panic attack demanding that you slow down.
     
  19. brianman

    brianman Burrito Founder

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    Professional driving instructor would be great... (Wonder how much they charge.)
    ... but even a passenger helping out with rear-view awareness might be a huge help, it sounds like.
     
  20. TEG

    TEG TMC Moderator

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    Not so much, I think. I think race driving demands driver's attention on the little things... "When exactly do I start braking?"... "Am I holding my line through the turn?"... "Do I feel any wheel slip?"...
    The driver is making all sorts of split second decisions. I don't think a passenger / observer would be all that helpful. "Watch out someone is trying to pass!" "Remember you are about to get to the hairpin turn" are generally things the driver should know and having a passenger tell you mostly isn't helpful. (You have to practice and get familiar with the track yourself.)

    Passengers are great on long races where you need a navigator to read a map, and make long term plans... "Slow down or you might run out of fuel/charge before the next stop, etc." But in real pro races the crew in the pits or chase vehicles can monitor stuff and radio instructions to the driver.

    From what I can tell, most racers would prefer to go it alone unless they are taking someone along for a "joy ride."
     

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