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Old 06-13-2012, 08:31 AM   #76
guns_equal_freedom
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Quote:
Originally Posted by David_in_TX View Post
This thread's going to Head explody in 3..2..1...
No shit, it's gone full retard.
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Old 06-13-2012, 09:24 AM   #77
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Quote:
Originally Posted by guns_equal_freedom View Post
. . .it's gone full retard.
Hardly, thanks to an authoritative reference (courtesy gmiguy's post above), whose purpose is:
Quote:

The goal is to give those working in the field a common base for discussion regarding
the type of all-wheel-drive systems .
(Found at: http://bzwxw.com/soft/UploadSoft/new...J1952-1995.pdf ).

We read this DEFINITION:,
Quote:

3.1 All-Wheel Drive—
A vehicle drive system with the ability to drive all wheels.
Rather than "full retard," the thread has just begun to make sense, IMHO.

Ridden, or seen, a Christini?

Avert your eyes if this thread offends you (my suggestion).
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Old 06-13-2012, 09:42 AM   #78
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Putting the semantics debate and apparent chest thumping aside on all fronts on this topic, I'd just say that I'd really like to try one of these. I finally got to see one in the flesh when our off road club put on our annual state circuit enduro last March. The owner/rider loved it. Our enduro is arguably one of the toughest on the state's yearly circuit. It has lots of rocks, scrabbly climbs, ledges, etc. He loved the bike.

I raced enduros for decades, but I'd just like one for trail riding locally and hauling it to Utah and Colorado for the same thing. As I've gotten older, it seems like this added climbing ability would be really beneficial in situations where I'm not as keen on doing high speed, high momentum, banzai runs up and over big obstacles.
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Old 06-13-2012, 10:38 AM   #79
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"3.1 All-Wheel Drive—A vehicle drive system with the ability to drive all wheels."


Well hot damn that's genius... Can't wait to find out what the DEFINITION of "Four-Wheel Drive" is...


I can solve this yet AGAIN, but I refrain.



This debate, now comparable to the difference in "MILF" and "Cougar", is still retardedly moot though...


And again, I have not said ONE bad thing about the Christiani.
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Old 06-13-2012, 10:58 AM   #80
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Quote:
Originally Posted by IheartmyNx View Post
"3.1 All-Wheel Drive—A vehicle drive system with the ability to drive all wheels."


Well hot damn that's genius... Can't wait to find out what the DEFINITION of "Four-Wheel Drive" is...


I can solve this yet AGAIN, but I refrain.
There is nothing to solve! That is the fucking definition of AWD. Everybody in this thread, the SAE, the automakers, and the bike manufacturer ALL agree on this. You're the only one who disagrees. GET OVER YOURSELF.

Holy shit. I can't wait until you tell us all that what we've been calling blue all along is actually mauve.
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Old 06-13-2012, 11:02 AM   #81
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Quote:
Originally Posted by IheartmyNx View Post
"3.1 All-Wheel Drive—A vehicle drive system with the ability to drive all wheels."


Well hot damn that's genius... Can't wait to find out what the DEFINITION of "Four-Wheel Drive" is...


I can solve this yet AGAIN, but I refrain.



This debate, now comparable to the difference in "MILF" and "Cougar", is still retardedly moot though...


And again, I have not said ONE bad thing about the Christiani.
Dude!...and other dudes! Give it a rest.

Maybe more substantive discussion about long term reliability, parts availability, service, more pros/cons, and other descriptive tidbits would be more useful to understanding how this system will or won't work for most of us as dirt riders. Man, I clicked on this thread thinking I was going to really learn some real world application of this concept and found pages of a full blown school playground fracas over terminology and semantics with a few hidden gems of real information. I'm a gearhead too, but I don't require a full and total comprehension of all of Newton's laws to ride my dirt bike. Can we get back to our regularly scheduled programming involving how this system is working and can work for real world off road use?
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Old 06-13-2012, 12:18 PM   #82
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Anyone know how/if the Christini system compares to the Yamaha 2-Trac system they used on the Dakar 450 they raced several years ago with some notable success?
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Old 06-13-2012, 12:33 PM   #83
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2-trac

Quote:
Originally Posted by TNC View Post
Anyone know how/if the Christini system compares to the Yamaha 2-Trac system they used on the Dakar 450 they raced several years ago with some notable success?

http://www.mcnews.com.au/testing/yam...trac/page1.htm

Here is a link... sounds like the christini system is better.

it's awesome that Christini is selling a dual sport
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Old 06-13-2012, 12:33 PM   #84
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Quote:
Originally Posted by TNC View Post
Dude!...and other dudes! Give it a rest.

Maybe more substantive discussion about long term reliability, parts availability, service, more pros/cons, and other descriptive tidbits would be more useful to understanding how this system will or won't work for most of us as dirt riders. Man, I clicked on this thread thinking I was going to really learn some real world application of this concept and found pages of a full blown school playground fracas over terminology and semantics with a few hidden gems of real information. I'm a gearhead too, but I don't require a full and total comprehension of all of Newton's laws to ride my dirt bike. Can we get back to our regularly scheduled programming involving how this system is working and can work for real world off road use?


Here's some info about the KX Christini I have. It is one of two made from 09 EFI 450s. They had wanted to use the KLX450R, but the starter on the left side was an obstacle to overcome so the KXs were used. I'm glad that the EFI is on my bike, altitude change goes unnoticed. The gears for motocross were a little tall for this old guy and I didn't want to gear it too low on the topend. The Rekluse clutch solved the tall gear problem as well as the flameout that was a pain at times.

Early on I had a problem with engagement of the gears in the gearbox behind the frame. I called Steve Christini, he figured out the problem, it was a clip missing inside. He sent the new parts I needed that day, in less than a week it was back together. Steve is one of those guys that makes things right no hassles.

When I changed the front tire for the first time, I was nervous about parts falling out,,, or some complex process,,,it was simple and just as easy as a regular frontend.

The system is simple and should last as long as the rest of the bike. I will repeat this over and over,,,,the Christini All-Wheel-Drive is a brilliant setup. It works for the right application,,,which to me is extreme conditions where traction and help of the front wheel pulling is your riding condition. I would like to shoot some video, but I have no personal photographer.

I cannot speak about the new bikes,,, I would buy one if I weren't so happy with the KX. The price of the new bikes is very reasonable,,,in fact a steal.
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Old 06-13-2012, 01:02 PM   #85
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Originally Posted by TNC View Post
Anyone know how/if the Christini system compares to the Yamaha 2-Trac system they used on the Dakar 450 they raced several years ago with some notable success?
From my source (shared with you, TNC, by PM), the Yamaha at Dakar was a collaborative effort with Ohlins, with ". . . a small high speed hydraulic pump above the gearbox then connect[ed] to the gearbox sprocket and [with] an efficient high speed motor on the front wheel together with a reduction gear," according to Ohlins.

This information from my riding partner, Hans.

--------------------------------------

EDIT: Just saw Byron555's post and link above; appreciate the info!

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Old 06-13-2012, 01:29 PM   #86
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I live right near Christini, emailed them yesterday to see if I can stop by and check the place out. I'll let everyone know if I do.
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Old 06-13-2012, 02:15 PM   #87
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Quote:
Originally Posted by XDragRacer View Post
From my source (shared with you, TNC, by PM), the Yamaha at Dakar was a collaborative effort with Ohlins, with ". . . a small high speed hydraulic pump above the gearbox then connect[ed] to the gearbox sprocket and [with] an efficient high speed motor on the front wheel together with a reduction gear," according to Ohlins.

This information from my riding partner, Hans.

--------------------------------------

EDIT: Just saw Byron555's post and link above; appreciate the info!

It's also noted in the "Testing the Ultimate Supermoto" link provided a page or two ago...

There are some editor notes on it if I recall.
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Old 06-13-2012, 04:07 PM   #88
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Here is a link to the Ohlins 2WD system (that is what they call it). It uses hydraulics versys chain/shaft that Christini uses, but it is slightly heavier. It was fairly successful in the Dakar rally, even though it was mounted on a 450cc bike against larger competition. It won a few stages, mostly in wet conditions. They also installed it on a Yamaha R1 street bike and found it ran faster lap times even on dry pavement!?

http://www.ohlins.com/Checkpoint-Ohl...omplete-Story/
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Old 06-13-2012, 04:16 PM   #89
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Here is another 2WD bike called the 2x2x2 built by a very clever Australian, Ian Drysdale, who is also responsible for the Drysdale V-8 bike based on two FZR400 top ends. It was built over 20 years ago before the Ohlins or the Christini. It uses 2 wheel steering and similar hydraulic drive to the Ohlins bike.



Read more here:

http://home.mira.net/~iwd/2x2x2/index.html

Here is another 2WD based on a CR500 built by a friend of Ian's.

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Old 06-13-2012, 04:29 PM   #90
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Wow!...mechanical vs. hydraulic...didn't realize that. I remember watching those Dakar wrapups each night and keeping track of how that 450 Yamaha was doing. Quite impressive for a 450 vs. 690's, and I think they got 1st in the 450 class and 7th overall. I kinda like the mechanical aspect vs. the hydraulic...and not saying that from a luddite perspective.
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