December 23, 2014 at 6:32 pm #111
Between Rallycross and Stage Rally:
Rallycross is SHORT. NASA defines it as being less than 1.5 miles. SCCA doesn’t say exactly, but they routinely refer to it as being “reasonable”. Stage Rally is long.
Rallycross is repeated. In a Rallycross, you run the same course over multiple times and take your cumulative time as your score. In a Stage Rally, you run multiple stages (sometimes repeating them) and take your cumulative time as your score. (there are some Stage Rallies that only use one stage, but these are exceptions.)
Rallycross is SAFE. In Rallycross, you do not need safety equipment other than a Snell rated helmet. In Stage Rally, you need extensive safety equipment including cage, driver suit, etc.
Rallycross courses are “soft”; Stage Rally uses solid objects (including cliffs, rocks, trees, K-Rails, etc.) to outline its route; Rallycross uses not-so-solid objects (i.e. CONES) to outline its route.
Rallycross is SOLO. Yes, sometimes you are allowed to take a passenger and some use Rallycross to work on co-driver/driver communication, but at its essence, Rallycross is a solo exercise. Stage Rally uses a co-driver to navigate, etc.
Rallycross does not use notes (formally); Stage Rallies use route instructions, of various forms. Some Rallycrosses do give out course descriptions, aerial maps, etc. but they do not give out Rally style course notes.
Between Rallycross and RallySprint:
Both Rallycross and Rallysprint use a repeated course.
Rallycross is SOLO; Rallysprint may or may not be solo. According to the CRS rulebook, “co-drivers may or may not be required” (CRS 8.0)
Rallysprint may be a Coeff 1 Stage Rally (must be designated such prior to the event)
Rallysprint requires safety equipment. This enables a Rallysprint to use solid obstacles (K-rails, buildings, trees, rocks, etc.) that Rallycross may not due to its nature.
Essentially, a Rallysprint is a step up from Rallycross in that while it still uses a repeated course, can be a solo competition, it allows obstacles that are not appropriate to a Rallycross which does not require safety equipment.
Between Rallycross and Autocross:
Rallycross runs on dirt/gravel/loose surfaces; Autocross run strictly on tarmac/concrete/asphalt. This does not mean that Rallycrosses cannot be run on asphalt – there have been mixed surface Rallycrosses, and there have been tarmac events – but while Autocross is ONLY tarmac, Rallycross is anything.
Rallycross is cumulative; Autocross is single-best-run. This is inherent to the origins of each. Autocross came from time-trials where you claimed your fastest run along a closed road; Rallycross comes from stage rally where you claim your cumulative time across multiple stages. This means that Rallycross rewards consistency and quickness; and Autocross rewards refinement and precision speed. They are different – and can be quite complementary!
Rallycross has fewer classes. Partly because it’s fairly new (although there are several programs that are over 10 years old) and partly because of philosophy, there are significantly fewer classes in Rallycross than there are in Autocross. SCCA Rallycross has 8 classes, CRS Rallycross has 6; SCCA Autocross has over 30 (count taken from 2009 SCCA Solo Rulebook). A discussion of the philosophies is best done elsewhere.
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