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Dylan Code

Superbike School Riding Coach
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Dylan Code last won the day on April 28

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About Dylan Code

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    Cornering Master

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  • Have you attended a California Superbike School school?

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  1. We are shooting for Barber, which is May 23-29. It's mostly booked up but there are about 10% seats available.
  2. Your collection of data and research shows you are barking up the right trees. Here's some more data regarding tires: Per the Dunlop engineers tires grip in 4 ways: 1) Adhesion--the temporary chemical bond between the tire and surface. 2) Keying--the tire deforming and filling in all the nooks and crannies of the asphalt or squishing into the depressions. 3) Abrasion--the tire tearing from itself or wearing away. 4) Hysteresis--the energy storage and return by the rubber and partial conversion to heat. The first two can be looked at as static properties and the la
  3. Thanks very much. We have more on the way!
  4. Yes, the amount of lean and overall speed from wind resistance would matter a lot. Turn-in rate would matter I suppose but not significantly. Wind resistance going straight requires a certain amount of power just to maintain a particular speed. A hypothetical example is here: 30mph=1hp 60mph=8hp 120mph=60hp 180mph=190hp
  5. The answer to the question is: from turn-in, off throttle, not trailing the brakes, the bike will slow at the rate of between 3mph to 8mph/sec. Lots of variables of course but that's the quick answer.
  6. I remember this thread from long ago about friction. I've been going into tire grip and the elements affecting it for some time and had this recently pointed out to me: The laws of friction were cited with regard to tires. But there just one problem: those laws only apply to RIGID objects. Because a tire is not rigid, the law would not hold true.
  7. Coaches find that between sessions if they wait for their student to come around the track that their tires cool down enough to not provide sufficient grip. So in some cases they can lose their temperature within three or four minutes.
  8. Try this video for warmer questions
  9. I've ridden many different tire sizes on different bikes and really can't tell much of a difference once I get a few laps on them. I've ridden a 1000 with a 180 rear and it was fine... if you A/B compared you'd feel the difference I'm sure. Slicks last longer than street tires, at least the Dunlops do. Heat cycles are what our coach tires experience all day long every day they are ridden. It may make a 3% difference but nothing anyone could feel easily. 1) Don't sweat the size issue. 200's are fine. The AMA 600 class used to run 200 rear slicks... 2) Get slicks if you want durability
  10. Yes we sell those tires and also Chicken Hawk warmers.
  11. Slicks will last longer, maybe almost twice as long as the qualifier 4 rear.
  12. To directly answer your question: more handlebar turn. Same radius and speed, but less lean angle would be more turn of the handlebar into the turn.
  13. MotoGP riders are typically trying to dial up as much engine braking as possible. They can also dial it in or out for specific turns by GPS. If you are riding a track that is very "stop and go" with a lot of braking zones, I would dial it up. If it is a flowing track with transitions, I would use less engine braking so the bike does not pitch forward if you feather out of the throttle in a transition.
  14. Yes like mentioned above TTR125 or CRF150. I also recommend going to a school first that uses those bikes to try before you buy, like Rich Oliver's school or American Supercamp.
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