fourteenfour Posted May 2, 2011 Share Posted May 2, 2011 Takes a bit to get the to run, but I won't spoil it Link to comment
Dave_C Posted May 3, 2011 Share Posted May 3, 2011 What's funny is you could buy that bike, a R1200rt, and probably a new or gently used Honda Accord, too for the price of the M3 with all those mods. Link to comment
MotorinLA Posted May 3, 2011 Share Posted May 3, 2011 Why race on a wet track? Explains why Rico wasn't hanging off the bike around the corners, I guess. Probably would have caught up faster on a dry track, where the two wheel advantage would have been greater, methinks... Link to comment
russell_bynum Posted May 3, 2011 Share Posted May 3, 2011 Note: most track records are not held by motorcycles. What this video really shows is that the difference between a sport bike and a race bike is much smaller than the difference between a street car and a race car. Link to comment
ka5ysy Posted May 3, 2011 Share Posted May 3, 2011 Actually the whole concept is kind of silly. Anybody who rides a motorcycle understands the idea of "power to weight ratio" and the physics that leaning into a turn makes the bike much quicker than any car. Link to comment
russell_bynum Posted May 3, 2011 Share Posted May 3, 2011 Actually the whole concept is kind of silly. Anybody who rides a motorcycle understands the idea of "power to weight ratio" and the physics that leaning into a turn makes the bike much quicker than any car. If that were true, then the track record at most race tracks would be held by motorcycles. It isn't. Take the big track at Willow Springs, for example: The fastest bike there is somewhere in the 1:19 range. That's quick, but wouldn't even make top 10 in the 4-wheeled records. There's lots more to the story than power/weight and, if anything, the requirement for the bike to lean into the turn is a hindrance since you run into ground clearance issues. Also, once you get to the edge of the tire (which usually happens before you run out of ground clearance on a typical sportbike) the contact patch, and therefore the available traction starts to get smaller. The real difference is downforce. Once you start adding downforce to the equation, the bikes get left behind in a hurry. A heavy luxurious street car vs. what basically amounts to a race bike with lights...yeah...the bike's going to kick the car's ass. Even if you put it up against something insane and hardcore like an Arial Atom, the bike will still probably win. Start adding downforce to the car and the story changes. Link to comment
fourteenfour Posted May 3, 2011 Author Share Posted May 3, 2011 About the down force, I doubt you would want to run it against something as bull headed as a Viper ACR Link to comment
russell_bynum Posted May 3, 2011 Share Posted May 3, 2011 Viper ACR is 10 seconds/lap slower than a superbike at Willow Springs. Link to comment
MotorinLA Posted May 4, 2011 Share Posted May 4, 2011 Viper ACR is 10 seconds/lap slower than a superbike at Willow Springs. Perhaps there should have been some qualifiers set in the earlier comments. I don't think anyone can argue that a motorcycle could keep up with a true race car. On the other hand, I think you're also right in asserting that a good street motorcycle would easily wipe out most production cars on a track. I just found the racing condition in the video interesting. Why race in conditions that limit the performance of both vehicles? Kind of like two Olympic sprinters challenging each other to a friendly race and then running on a track covered in 18 inches of snow... The results certainly don't mean as much. Link to comment
ShovelStrokeEd Posted May 4, 2011 Share Posted May 4, 2011 What's funny is you could buy that bike, a R1200rt, and probably a new or gently used Honda Accord, too for the price of the M3 with all those mods. Talk about missing the point! Link to comment
w2ge Posted May 4, 2011 Share Posted May 4, 2011 Due to the quantity of tire contact-patch on a car versus motorcycle, Race Cars are generally faster on a race-track than a race-bike. Been proven time and time again.. Simple as that. I do agree, why was that "race" run in the wet? Link to comment
russell_bynum Posted May 4, 2011 Share Posted May 4, 2011 Viper ACR is 10 seconds/lap slower than a superbike at Willow Springs. Perhaps there should have been some qualifiers set in the earlier comments. I don't think anyone can argue that a motorcycle could keep up with a true race car. On the other hand, I think you're also right in asserting that a good street motorcycle would easily wipe out most production cars on a track. I just found the racing condition in the video interesting. Why race in conditions that limit the performance of both vehicles? Kind of like two Olympic sprinters challenging each other to a friendly race and then running on a track covered in 18 inches of snow... The results certainly don't mean as much. Probably because it was raining the day they rented the track and had all the camera equipment and crew lined up. Link to comment
Dave_zoom_zoom Posted May 4, 2011 Share Posted May 4, 2011 What's funny is you could buy that bike, a R1200rt, and probably a new or gently used Honda Accord, too for the price of the M3 with all those mods. Talk about missing the point! In all due respect, this may just be an expression of another point of view as opposed to "missing the point". Dave Link to comment
ShovelStrokeEd Posted May 4, 2011 Share Posted May 4, 2011 It ain't about consumer reports type stuff. More about the best road course car and road course bike BMW sells to the general public pitted against each other. FWIW, the car driver wasn't really very good. Way too much sideways time. Bike rider wasn't really at the limits either but the S1000RR traction control probably gave him a nice edge. In terms of value for the $$$$, my Porche doesn't make much sense either but, again, that ain't the point. Link to comment
russell_bynum Posted May 4, 2011 Share Posted May 4, 2011 FWIW, the car driver wasn't really very good. Way too much sideways time. Bike rider wasn't really at the limits either but the S1000RR traction control probably gave him a nice edge. The M3 has a pretty sophisticated stability control system as well. I wonder if it was disabled to allow for all of that sideways powersliding fun. Link to comment
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