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Old 03-15-2009, 09:56 PM   #1
Coachgeo OP
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Lean into it Sidecar

just throw some fuel out there for the fabricators on this board.

How about a suspension on the side car that leans the wheel to the side as you lean. Something like the Carver, MP3 or Wesll design

http://thekneeslider.com/archives/20...ension-system/
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Old 03-16-2009, 06:35 AM   #2
wolvertone
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There are leaner hacks. It's not on the outside wheel, but in the tub/tug linkage.
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Old 03-16-2009, 08:58 AM   #3
Coachgeo OP
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Quote:
Originally Posted by wolvertone
There are leaner hacks. It's not on the outside wheel, but in the tub/tug linkage.
interesting. Any links or suggestions on what to search for to learn more?
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Old 03-16-2009, 11:50 AM   #4
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There was the Flexit:
http://www.bmwmotorcycletech.info/flexit.htm

and the Equalean:
http://www.jaylenosgarage.com/your_g...ars/1077.shtml
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Old 03-16-2009, 11:52 AM   #5
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http://bmwmotorcycletech.info/flexit.htm

http://www.armec.com/showcase3.html

http://thekneeslider.com/archives/20...ting-sidecars/

http://02a2379.netsolhost.com/sidewinder.html

Google leaner sidecar for more...
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Old 03-16-2009, 12:14 PM   #6
zenben
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http://panoramaside.ifrance.com/side_bike/toro.htm

http://newsmagsidebike.free.fr/modul...php?pagenum=21
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Old 03-16-2009, 12:23 PM   #7
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Much Thanx
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Old 03-16-2009, 12:29 PM   #8
Coachgeo OP
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after looking at some of these.. particularly

http://www.armec.com/sidewinder.html

makes me still ask if anyone has built one themself. I must be missing something in that the concept does not much harder look hard to build compared to a non leaner.... maybe Im missing something though.

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Old 03-16-2009, 01:30 PM   #9
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There are even forums for “Leaner Riders only” in Europe.

A lot of them are home-made. A lot of them factory built. It looks easier to built than it is.

Here a pic of a - completely - (except from the wheel itself) home-made leaner close to where I live:





Leaner riders think they are special. I know of one german leaner rider, living in OZ, who’s an inmate. Maybe he reads this and can give you some better answers, since I only have ridden them. Kalich / Armec type (only bike leans) and Flexit types (both bike and sidecar lean).

It’s completely different from a “fixed mounted” sidecar. (I personally don’t want one, because I’m a winter and snow-rider (and off-road). Then again, there’s also a world of difference between a sidecar with the original wheels and front fork and an outfit that has been built to be an outfit.


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Old 03-16-2009, 02:03 PM   #10
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Sorry for this, but I tried to edit my last post, but that didnít work and I had to type this again.

A couple of crucial things about leaners, that I know:

Itís very important to make the chair as light as possible, a little bit opposite to fixed mounted sidecars. Otherwise itís very hard to ride. Like you have a 300 pound pannier on only one side of your solo-bike.

Itís very important to have a ďstopĒ between the chair and the bike. This prevents knee-injuries in right-hand corners (right hand sidecar).

Itís very important to have a sub-frame, that provides more toe-in in left curves and ďtoe-outĒ in right curves (right hand sidecar) otherwise itís not very nice to ride.

Iíll see if I can get in touch with the inmate mentioned above. Iím sure he will be glad to mention some things I forgot.

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Old 03-16-2009, 02:21 PM   #11
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Quote:
Originally Posted by Richard-NL

Itís very important to have a ďstopĒ between the chair and the bike. This prevents knee-injuries in right-hand corners (right hand sidecar)...


Richard-NL
I can see how it would also be useful to avoid crowding the monkey:

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Old 03-16-2009, 05:55 PM   #12
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Old 03-16-2009, 05:59 PM   #13
claude
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Here is part of the Flexi Patent drawings. There is alink from the bike to the sidecar wheel which makes the sidecar wheel lean with the bike..look close. The sidecar body stays pretty level unlike the Toro shown previously.
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Old 03-16-2009, 06:05 PM   #14
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Building leaning sidecar yourself

Quote:
Originally Posted by Coachgeo
after looking at some of these.. particularly

http://www.armec.com/sidewinder.html

makes me still ask if anyone has built one themself. I must be missing something in that the concept does not much harder look hard to build compared to a non leaner.... maybe Im missing something though.
It certainly CAN be done! The best low budget home build street leaner I know of is 2-point POA out of Southern California done for $1100. That includes the cost of the Velorex, and since the guy does not know to weld himself, $420 to a local welding shop for the bracket fab. Pretty amazing.

New to this web site. My attempts to upload photos failed. Not sure just what is happneing there....

Warm regards, :-)

John Goff
Portland, Oregon, USA

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Old 03-16-2009, 06:08 PM   #15
claude
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RichardNL wrote:
>> Itís very important to have a sub-frame, that provides more toe-in in left curves and ďtoe-outĒ in right curves (right hand sidecar) otherwise itís not very nice to ride. <<

Yes, Richard is correct as usual. On a free leaner which only has lower mounts (no fancy linkage etc etc like th eflexits, Fleimum and Equalean) the placement of the lower mounts dectate toe in ot toe out so to speak when the bike is leaned away from the sidecar or toward it. In other words the sidecar wheel can be made to 'steer' into the turn etc. Think this out...Think pivot points..think about the radius of th earc these points move in etc etc.

Sidenote for conventinal sidecars:
Even if not applied to a leaner type sidecar these things can be critical when designing a subframe. If the lower mounts are ultimately on the same plane in all directions the bike can be leaned out or in with little to no change in the toe in.
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