Motorman 18' Turns on Harley Road Glide - Page 3 - Road Glide Forums
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post #21 of 26 (permalink) Old 06-16-2017, 12:36 AM
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Quote:
Originally Posted by Stoic Joker View Post
True, but... The rear brake shouldn't be required. Which Jerry points out in his shows while doing the same maneuvers kneeling on the seat. If you get too dependent on the rear brake you'll end up learning clutch/throttle mistakes, while chewing up a lot of clutch/brake material.

Try riding slow on level ground without using the brake, and that'll make it easier to find out where the edges are.
I too have all of Jerry's videos. I wrote him asking if he could explain the physics to me of how the brake clutch combination work. The way I remember his answer, was the brake was allowing you to be able to use the momentum of the motor to keep you upright; at least that's how I understood his answer.

I live down a dirt road. There is 1/2 mile of dirt between my house and the pavement. When ever it rains, the road becomes mud. These big Harley's aren't really designed for the mud. What I have discovered, is that if I use the friction zone of the clutch and use enough rear brake that I can feel the motor fighting against, I can make it through the mud. Sometimes the front wheel will begin to skid and I let the clutch out, just a little more, the bike seems to recover and I power through the mud. I had to do it again yesterday.

I don't really know why this is working. I'm guessing that there is some kind of gyroscopic effect imparted by the flywheel as well as the wheels themselves. I can say that the Road Glide is better at this than the Electraglide was.
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post #22 of 26 (permalink) Old 06-16-2017, 07:31 AM
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I never actually bought any of his videos, I just like to catch his shows at IRL events. While I've heard the gyroscope flywheels theory repeatedly - usually from guys that like to slow race at 5k+ - I never believed it (I stay around 1,200). I think it's just a matter of using the light torque pressure on the driveline to keep weight off the front wheel. The eyes thing really is the most important part allowing the rider to keep their balance - focus too close and you start to wiggle..

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post #23 of 26 (permalink) Old 06-16-2017, 08:26 AM
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In the class we have to do it both ways, and trust me, he can do it both ways, he actually does a figure 8 with two tiny circles, and then they throw in a second bike to make things fun.
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post #24 of 26 (permalink) Old 06-16-2017, 01:48 PM
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Originally Posted by Stoic Joker View Post
I never actually bought any of his videos, I just like to catch his shows at IRL events. While I've heard the gyroscope flywheels theory repeatedly - usually from guys that like to slow race at 5k+ - I never believed it (I stay around 1,200). I think it's just a matter of using the light torque pressure on the driveline to keep weight off the front wheel. The eyes thing really is the most important part allowing the rider to keep their balance - focus too close and you start to wiggle..
The gyroscope thing is something I thought up on my own. I never asked anyone about it and you're the first one I've heard mention it. Like you, I keep the RPMs down. On the 103 I was able to run it between 1200 and 1500. With this M8, I finding I have to go 1500 to 2000. You don't need a high rate of revolutions for the gyroscope to work. When I was a kid, I'd take the front wheel off my bicycle, hold it by the axle, and spin it by hand. Once it was spinning, it was tough to change the plane that it rotated in. You'd actually have to twist the axle against the rotation to get the wheel to move.

I never thought about getting the weight off the front wheel, but that does make sense. I've found that if I can understand the physics behind something, then I can concentrate on what I need to do, so I get the desired result; other wise its just hit or miss until I stumble upon the answer.

The last time I was able to practice with the folks I mentioned before, they had me riding snowmen. A series of circles, each having a smaller diameter. I'd enter the first circle, ride around it and exit it into the next circle. Once I reached the final circle, I'd reverse and go back through that which I just came out of. In each circle, you'd reverse the direction around it from the previous circle.

I watched them play a game called "last man standing". A series of cones were set up. Two guys would ride the cones, playing follow the leader. The 2nd guy would need to make the same maneuvers as the first, while the first guy would try and position himself such that the 2nd guy could not follow. At the same time, the 2nd guy was trying to prevent the first guy moving forward, to establish another maneuver. The first one to put a foot down lost. Sometimes these guys came head to head, stopped. They are able to keep the bike upright without it moving.

I'm told that the forces of the drivetrain are balancing and counteracting gravity, so the end result is that nothing moves. So far, I've only been able to stay stopped for about a second. I had thought I might be able to win a slow race, until I saw this. I can't go slower than stopped yet.
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post #25 of 26 (permalink) Old 10-08-2019, 08:32 AM
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Quote:
Originally Posted by Thermodyne View Post
Drag the rear brake, slip the clutch, keep the rpms up, and listen for the board to drag.

That first time you get it over that far is an act of faith. But after that it's not bad.

Long as I can get it done on a two lane road, I'm pretty happy.

Another ol motorman tip, place your feet on the edges of the footboards so when you do lean hard, you'll drag the outer edges of your footwear. Let's you know where you are in the lean, and let's you keep them boards nice and pretty!


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post #26 of 26 (permalink) Old 10-08-2019, 09:36 AM
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I practice tight turns at least once a week in a high school parking lot or head to a range where the MSF has all the course painted and practice figure 8s and slow race before the instructors/students show up. I did put saddle bag guards on the first month I had the bike and drops are no problem, just embarrassing but no damage at walking speeds. 18 foot u-turns are tight but doable, 19-20 are now easy but I watched YouTube views of DFWKen doing sub 15 foot you turns on an ElectraGlide Ultra; Same frame so an RG should be able to do the same...I need to keep practicing!
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Last edited by sailronin; 10-08-2019 at 09:41 AM.
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