Two Wheels Innovation

"JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t" (jawzx2) 03/22/2016 at 11:44 • Filed to: None

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well, this is nifty....

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bob and john > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 11:47

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EDIT: rather, the dou-lever, not tele-lever

this reminds me a lot of BMW’s tele-lever front end.

very intresting and very cool idea. I like it.

Daily Drives a Dragon - One Last Lap > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 11:53

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That looks hella cool.

TheHondaBro > bob and john 03/22/2016 at 11:59

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Do you even lift, bro?

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > bob and john 03/22/2016 at 12:00

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The idea is to do the same thing... this removes the sliding fork component entirely, and while tele-lever DOES do a better job of transfering braking/side load forces to the frame this keeps the geometry more stable and eliminates the possibility of stiction entirely. Also, it looks cool ;)

lot of bearings and bushings in there, but Forks are pretty finicky and expensive to manufacture too...

Biggus Dickus (RevsBro) > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 12:09

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Looks like a Monster 800 was the donor engine. Nice.

HammerheadFistpunch > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 12:19

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The future is was here

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > bob and john 03/22/2016 at 12:23

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Ah, I’d forgotten about duo-lever... a nifty thing indeed, from what I can tell this is more flexible and adjustable, I wonder how the two compare in on the road... the videos in that Gizmag article are pretty interesting, they show just how little the steering geometry is affected by compression, and how it can be adjusted for rider preference.

bob and john > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 12:25

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yea, i’m just failing to see how this gets around the problem that hub steer has because frankly, that shit is pivioting at the hub.

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > bob and john 03/22/2016 at 12:35

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well, the big problem with hub-steer is steering linkage complexity/slop and limited range of motion, this has much simpler STEERING linkage (though the suspension linkage is a little... um... complex) and the geometry of the swing-arm offers more range of motion... They claim it’s lighter too, less unsprung weight.

From what I can tell this isn’t so much a “viable replacement” for a fork in every application, as a high-end solution (like hub-center) that offers better performance than either. Though with cast suspension parts (as opposed to CNC, as they are now) and optimized bearing usage (this is clearly a prototype) I can see it being relatively inexpensive to manufacture too.

bob and john > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 12:43

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yea, I cant help but think...wouldnt it be easier to have a bending frame.

what i mean, something closer to a front end loader.

so something like that. front swing arm attaches to the motor and pivots up and down there for suspension travel, and then a pivot closer to the wheel for side to side movement. using a cable or hydraulic set up to turn it side to side.

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > bob and john 03/22/2016 at 12:51

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how do you divide the mass between the front and rear? the width of the frame would have to be great enough to allow pivot angle while clearing fixed components (engine and transmission)... I see what you’re saying re: steering/braking/loading geometry, but that idea’s got it’s own set of problems... not to even mention rider comfort and the issue of bending backs ... unless you fix the upper frame portion, and by the time you’ve done that you’ve basically made a hub-centric with system with a giant scrub-radius and massive caster.. it would *HAVE* to be hydraulic to put enough torque on the mechanism to actually turn the system. The bump-steer would be UNREAL.

bob and john > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 03/22/2016 at 12:54

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oh, the pivot would be almost right behind the front wheel.

I did a sort of mini project on it in HS, I’ll look around to see if I cant find it.

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > bob and john 03/22/2016 at 13:26

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i’d be interested to see it!