|All news content copyright Michael J. Fuller, unless
before Thursday's LMP qualifying session the #7 Audi R15 plus was
hastily run through tech inspection. Why? Well
the car had a nasty off in the morning session and that the car had to
effectively be rebuilt, including having the tub replaced.
told it was the second tub replacing off of the week (first occurring
over the week prior's open testing) and that the replacement tub that
went into the car as it headed off to qualifying (and was subsequently
raced) was the Le Mans winner. Bob Jackson happened to be in
right place at the right time and was able to capture video of the last
off. It doesn't look
like much, but when the splitter digs in we can imagine that's the tub
Check out the Facebook Petit Le Mans 2010 Technical Gallery and Race Week Gallery.
announce and unveil their latest LMP concept.
Bill Riley puts it, "We could have not made an announcement and just
sat at home." This is one of those projects that takes
and why not create it yourself? Bill Riley fully admits this
will be deposit driven; i.e., no deposits, no car. With LMP2
going to a cost capped format (€325 000 or approximately $446,000) for
2011, all aero development will be done via CFD followed by full scale
verification. And the pressure is certainly on Riley, says
(Bob), "Customers expect our car to be fast out of the box."
Therefore the concept isn't nearly as far out of the box as
would have like to have gone, "we could have gone far out but that
takes development." And development takes time and money.
And with a cost capped formula you have to have to
use your development funds in order to have something left in which to
build the car with!
at the car's design details, at the front the front end has been opened
up in order to maximize the front splitter and allow for
ample airflow to and from. The lower A-arm has been raised out of the
airflow and the car has a narrow visual appearance as further testament
to the efforts made to clean up and provide for air flowing into and
out of the front end of the car. The Riley will also utilize
"unique" front suspension arrangement. While neither Riley
go into details, they did indicate it would use small "F1 style" Penske
side pods are deeply waisted forward, further allowing a less
obstructed path for air flow to exit the car. This means the
ahead of the leading edge of the side pod and between the tub and the
front fender is heavily louvered/shuttered, again, primarily for rules
rear wing is supported by a single post mount in the middle and two
smaller aero tub sections outboard. The aero sections are
compliance items with the regulations stating that two mounts, no more
than apart 1250 mm (625 mm from centerline) being the regulated minimum
number of mounts and maximum spacing. But on the Riley the
endplates and the center posts will handle all the wing loading.
Interestingly, the center mount is located in the boundary
of the regulated fin (big honking fin) which should minimize
drag associated with the wing mount.
Overall the car has a
number of neat details. It will be interesting to watch the
project evolve and it's good to have the Rileys back involved in the
American Le Mans Series.
through yesterday's notes:
Wednesday's afternoon test Peugeot was witnessed changing front
diffuser strakes mid-session as a rapid means of presumably altering
>We understand that all the diesels, Peugeot
included (!), are at or near the 930 kgs minimum. In years
Peugeot has typically been many kilos over the minimum.
John Doonan tells us that Mazda Corp North America has recently
purchase a 787 chassis from Mazda Corp Japan. Says Doonan,
were just going to get rid of it (sell it) so we purchased it."
This is a 787 chassis, not a 787B, and currently
wears car number 56. This would appear
to make it 787 #002 from Le Mans 1991. Doonan indicates that
while it has been in warehouse storage for many years it is in
extremely good shape. Expect to see it at an event near
you...better yet, let's start a FaceBook page imploring them to bring
it to the Mitty 2011 (and the MXR-01)!
>Peugeot stuffed one of
their 908s in practice last night. Pretty significant front
damage says Martin Spetz. Tub damage?
We don't know
officially but that's whats being whispered. Car 07 has clearly been
repaired and went out this morning.
>State of the Series
address is today. This is the yearly snooze-fest where
blabbers on about what he knows and can't say, etc. But we'll
in attendance as we suspect this is where Riley will unveil their new
LMP2 design concept. We'll stress the concept part and
not the design
part, not being unkind to Riley in any way. Ran into Bob and
Bill Riley this morning and indeed they will be making their unveil.
Julian Cope indicates the Drayson Lola LMP1's tub will be repaired at
Elan Motorsports Technology and that they fully expect the car to be
reassembled today/tonight and to start the race.
908's front splitter support has a thickened trailing edge per Article
3.5.4. This has more than likely been on the car for some
though the first time I've seen it in person.
Racing's Pescarolo 01's front diffuser...
the goofy strakes.
to Mulsanne's Corner's (that always seems awkward to write) Petit Le
Mans coverage. Here are some shots from yesterday.
fenders were on my mind.
sided rear fender in lieu of Art 3.4.1 c/ that says, rather inelegantly:
the rear wheels, all bodywork visible both from above and from the side
must come down at least up to 200 mm above the reference surface."
viewed from above, the outboard fender line of the bodywork behind the
rear wheels must extrude downward to a point 200 mm above the
can see the original bodywork surface set inboard.
Also notice the rear fender louvers. Another 2010 rules
the Pescarolo to the Lola, quite a contrast. One would think
Pescarolo was illegal give the undercut in the rear bodywork.
outboard rear fender line is again a simple extrusion down to the
legality "cheese wedge." Where the line ends in the vertical
is up to the manufacturer as long as it is continuous to a point at
least 200 mm above the reference plane. Another
the legality louvers.
Peugeot 908. Again, note the horizontal outboard fender line.
Peugeot opted to simple close out the rear fender above the
centerline creating the semblance of a wing shape.
Audi R15 and it's front wing vortex generators. Now we have
good authority that these have been placed on the underside of the
front wing/diffuser in order to intentionally separate the trailing
edge flow and redirect it away from the radiator ducts to reduce track
debris pickup. This is a controlled flow separation, though
there's a fine line between creating the desired effect and totally
rubbishing the diffuser's ability to generate efficient downforce.
Note the thick trailing edge per new-for-2010 Art 3.5.4.
I am not an engineer or a major technical type, I enjoy the discipline
of aerodynamics and was pleased at how Paul was able to explain its
to individuals like me." - Jay Leno, Tonight Show Host
and automotive enthusiast Paul T. Glessner presents "The Secrets
Basics of Vehicle Aerodynamics" Seminars. See why more cars
faster and doing it more safely and in style. Paul has been
to speak at venues like Bob Bondurant School of High Performance
Society of Automotive Engineers (SAE), Specialty Equipment Marketing
(SEMA), and Performance Racing Industry (PRI). Paul's
educate and entertain. The day long seminar can be held at
organization and/or company location with the organizer paying only
(click event date in site) to read
extensive background and testimonials from enthusiasts like Jay
Schedule your seminar at www.aeroseminars.com!