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KC KC is offline
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First recorded activity by BoatBanter: Nov 2013
Posts: 2,563
Default A real dirt bike...

On 2/12/2014 3:52 PM, Poco Loco wrote:
On Wed, 12 Feb 2014 15:15:41 -0500, KC wrote:

On 2/12/2014 12:35 PM, Poco Loco wrote:
On Wed, 12 Feb 2014 11:44:07 -0500, KC wrote:

On 2/12/2014 11:20 AM, Poco Loco wrote:
On Wed, 12 Feb 2014 10:33:01 -0500, KC wrote:

On 2/12/2014 10:06 AM, Mr. Luddite wrote:
On 2/12/2014 9:42 AM, Poco Loco wrote:
On Wed, 12 Feb 2014 09:06:41 -0500, BAR wrote:

In article ,
__ says...

Mr. Luddite wrote:
On 2/9/2014 6:25 PM, Poco Loco wrote:
On Sun, 9 Feb 2014 15:03:40 -0800 (PST), Tim
wrote:

On Sunday, February 9, 2014 4:30:04 PM UTC-6, John H. wrote:
On Sun, 9 Feb 2014 13:31:40 -0800 (PST), Tim
wrote:



On Sunday, February 9, 2014 7:31:31 AM UTC-6, F.O.A.D. wrote:

I'd love to have one of these...







http://www.youtube.com/watch?v=U7mTwM7afQA





how about something like this?



http://thekneeslider.com/1937-front-...cle-prototype/







Looks like something Moto Guzzi made during the war.

"Goose" probably tries something like that too, but this is French,
and the French at that time were known to be great tinkerers, with
results to match.

Yeah, I should have said it looks like something Guzzi *could* have
made during the war. Something
like this:

http://www.youtube.com/watch?v=4cOlS_ShXf4



Here's an idea for Scott: (warning - contains boating content)

http://www.elrellano.com/videos_online/8146/barca-a-motor.html


No steering unless that rowboat has a bow thruster.

Just like a motor cycle, you just lean into the turn to make it go
that way.

No, leaning doesn't make it turn. Leaning enables the motorcycle to be
kept more vertical when
turning. Pushing on the handlebar makes you turn. Push left, go left.
Push right, go right.
Countersteering.


Heh. I just mentioned to Scott about that. Those who don't ride will
think it's weird. They think it should turn like a car.



Yes, counter steering but again, it's not the fastest way around the
corner

It's the only way around the corner, at speed, on a motorcycle.


I am beating myself up and I can't think of any place on the track where
counter steering is faster...

https://www.facebook.com/photo.php?fbid=10202016412913497&set=a.10202016402 113227.1073741828.1281248494&type=3&theater

Here is Jess setting up for a corner... notice she is turning left, and
her bars are slightly left.. If she let her back tire slide out more
(blowing the corner) the bike would have to stand back up and the back
tire come back in line to get out of the corner... don't know if that
makes any sense. I have a video I could find later of two riders me and
Jess study. One came though the corner right (her mentor) and the guy
behind counter steered through and lost two seconds in the corner...

Letting the back tire 'slide out more' is not a method of riding for anyone but dirt bikers. When
she initiated the turn to the left, she did it by pushing on the left bar or pulling on the right
bar. Once the bike started leaning (and turning) she can slide all she wants.

I think what she is doing in the picture is coming out of a turn. So she's pushing on the right bar
to straighten the bike up (or pulling on the left bar). Looking at the tracks in the dirt also shows
that she's through the turn.


That picture is in the first 30 feet of the turn.. and no. She doesn't
have to push the left down to initiate the turn. Some turns she comes
into airborne and she already has the bars turned in the direction of
the turn... I see completely what you guys are talking about. I have had
a mc licence since '76 and always thought that way... Until I started
training Jess. She comes into a corner and throws her weight over the
bike.. but pushes both bars down... the outside bar further... never the
inside bar, never let that rear tire get outside of the radius of the
front tire...... Just the way it is. Again, if she pushes down on the
inside bar, the rear tire kicks outside the radius of the inside tire.
now you have thrust pushing askew from the direction of the bike... we
calle it "wash out" or "blowing the berm".. draw it out, put arrows for
thrust.. You will see...


Uh-huh. I just hope Jess, while on pavement going at speed, doesn't ever push left to go right.
Something will get broke.


OK, let's go from there.. When you are countersteering on the street, by
design the thrust of the rear tire and front tire are not in sync with
the direction of the turn.. So which tire do you slide?