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Old 08-15-2009, 07:12 AM   #31
claude
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Location: Middleburg, Pa. (Snyder County)
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Quote:
Originally Posted by Wingincamera
Here is my new rear tire on my Goldwing/sidecar rig.
A Bridgestone Potenza 195/55/16

We have the same tire on out Hannigan / GL1800 outfit. It is a simple deal with the new tire mounted to the stock GL1800 rim. Note that if doing this conversion it is best to check and make sure you have the newer style subframe from Hannigan. The rear crossbrace design has been changed to allow better clearance. The old style will work okay but does allow the tire to rub the crossbrace when the rear suspension is unloaded. Some tires are more apt to rub than others.
Some have also mounted 205 tires on the rear wheel but clearance must be checked closely at the swingarm area and of course the subframe member needs to be the right one.
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Old 08-15-2009, 07:14 AM   #32
claude
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Top two are on K Bikes bottom ones are on R100GS bikes. We usually swap the drum brake setup to a disc brake rear when the R bike conversions are done. The lower left photo is just a mock up prior to swapping the drum brake rear to the disc brake setup.
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Old 09-12-2009, 10:18 PM   #33
pops OP
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A new rear tyre . A lot better in the sand.



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Old 09-13-2009, 04:46 PM   #34
bikeridermark
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Wish there was a car tire that would fit the back of my Harley rig!
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Old 09-14-2009, 05:29 AM   #35
Bueller
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Ya just gotta have the right Harley

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Old 09-15-2009, 05:53 PM   #36
bikeridermark
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OK, Bueller, how'd ya swing that tire on the Harley, and will it work on a Roadking?
And, what Monday are we going to ride over to HeindleEngineering or whatever that Ural dealer is called? I need to know so I can take off work or call in sick(of work).
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Old 09-16-2009, 04:59 AM   #37
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Quote:
Originally Posted by bikeridermark
OK, Bueller, how'd ya swing that tire on the Harley, and will it work on a Roadking?
And, what Monday are we going to ride over to HeindleEngineering or whatever that Ural dealer is called? I need to know so I can take off work or call in sick(of work).
There wasn't any swinging about it. The tire just fits, and not by much. I just did a little measuring, took a gamble, and figured the worst that would happen was I wasted 90 bucks on a tire.

Unfortunately it will not work on a Road King.

I'd love to ride over to Heindle, but unfortunately right now it would have to be on my Gold Wing. I'm having tendon problems in both elbows and am in physical therapy twice a week. My arms can't take steering a hack right now, so I've decided to park mine until my buddy has time to help me cut apart and re-rake the rigid fork of the front end to further reduce trail.
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Old 12-05-2009, 06:44 AM   #38
Nsfrt
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Quote:
Originally Posted by Richard-NL
Iemller Cross 3. 155/15 (covered) on all three wheels:

Rear view:



Front view:



Side view:



Continental TS 760 Wintercontact 145/65-15 on all four wheels: Front view:



Same tires with snowchains on three wheels. In this case the spare is a 135/70-15 Champiro GT Radial snowtire:




And an overall view of the tires I use nowadays, all on the same 15 inch car rims (got 11 of them), with in the middle the Continental Ecocontact 1 145/65-15:



145/15 Firestone with innertube, only on the rear:



165/65-14 Pirelli Snowcontrol on all three wheels (preferred them above the Michelins):







On older sidecars with car tires I used to ride the Uniroyal Rallye in 125 and 145/15?, which was one of the standard sidecar tires at that time.

Richard-NL


Hi Rachard,

I would like to ask you a question. What hardness is the compound of Iemller 155x15 tire?
I have bought Unigom 14/64 15" Ultracross and this tire is really soft. It is actually the softest tire I have ever seen. I rode only few km on the tire but I expect that the tire will disapeare very quickly on the tarmac.
How does the Iemller look like? And what about the Immler CR 3 or Cross 3?

Do you have an experience?

I am looking for really hard tire with really rough profile.

Thank you very much in advance for the response.

http://www.unigom.be/product.aspx?ca...le=Ultra+Cross
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Old 12-05-2009, 06:53 AM   #39
Nsfrt
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... and again, without pictures it is meaningless...



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Old 12-06-2009, 10:45 PM   #40
BMWzenrider
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Quote:
Originally Posted by Nsfrt
Hi Rachard,

I would like to ask you a question.
I have not seen Richard-NL in this forum for a bit now...
Checking his posts, he has not posted anything since the 15th of November. That has been three weeks ago.

Anybody know his whereabouts? He has the best sidecar porn...
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2005 BMW R1200RT w/Hannigan-LT sidecar
2002 BMW R1150RA
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Old 12-06-2009, 11:02 PM   #41
BMWzenrider
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And since I have not posted my current rig with a car tire in this thread yet...


Right rear view.


Rear view.


Left rear view.


Bike: 2005 BMW R1200RT
Wheel: 4" x 15" Weld Racing Rodlite, anodized finish for protection
Tire: Bridgestone Blizzak WS-60 175/65R15 for 3.2% gear reduction.
(currently running size 145/65R15 for 9.7% gear reduction)

Adapter hub: Personal design. Piloted hub for center bore on wheel. Anodized for protection.



-----

Here is the bike with the car tire conversion installed five months before having the sidecar installed.
Worked just fine carving through the curves of the Black Hills and on the dirt & gravel of the back entrance to Badlands National Park, even on two wheels!
Tire at this time was a Kuhmo Powerstar 165/80R15 which actually gave an effective INCREASE in gearing of about 2.4% for this bike, but which made the speedometer read exactly accurately with my GPS...
NOT the recommended tire for this bike with a sidecar without changing the final drive gearing!

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2005 BMW R1200RT w/Hannigan-LT sidecar
2002 BMW R1150RA
In Memoriam: Harley, 1993-2010 You will be missed.

BMWzenrider screwed with this post 12-07-2009 at 10:51 AM
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Old 12-07-2009, 06:54 AM   #42
DirtyDR
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Karl,
How does that Blizzak do you in the snow on that rig? I am going to put one on my GS this weekend and I am curious just how much traction you get out of that W60 in the snow.
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Old 12-07-2009, 10:50 AM   #43
BMWzenrider
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Quote:
Originally Posted by DirtyDR
Karl,
How does that Blizzak do you in the snow on that rig? I am going to put one on my GS this weekend and I am curious just how much traction you get out of that W60 in the snow.
Once I got the correct air pressure in it, it was very good!!!

Before that it was 'merely' good...

You can see in those photos that I had some uneven wear from overinflating the tire to start with. The tread started to wear in the center faster than on the shoulders.
So I was not getting uniform ground pressure, and the rubber in the center was 'stretched' out unnaturally due to the excess pressure and deformity of the tire, not letting it flex properly to do its job of gripping.
Once I got the inflation/load tables from Bridgestone and set the pressure properly the grip in the slippery stuff improved DRAMATICALLY!!!

----------

What size tire are you having installed?
I have the load/inflation table published by Bridgestone for the 145/65R15 size, and think that I also have the one for the 175/65R15 as well if I dig for it.

There is also a formula that can be used to determine inflation pressure based on load and tire size. I have it set up in a spread sheet where I can simply plug in the required tire dimensions and a range of inflation pressures to generate a inflation/load chart for a given tire.

----------

With the Blizzak installed on the back of Clifford (the big red dog) last winter, there were several times that I surprised the snowmobilers and ice fishers out on the local lake...

It would cut through up to foot-deep drifting with nothing but bare ice beneath for the drive tire to grip on.
It did better on the packed snow tracks left by the snowmobiles. At least there the front tire gave a bit better directional control... Otherwise I had to steer with the throttle.

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2005 BMW R1200RT w/Hannigan-LT sidecar
2002 BMW R1150RA
In Memoriam: Harley, 1993-2010 You will be missed.
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Old 12-07-2009, 11:04 AM   #44
DirtyDR
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I have one of Stroker's wheels showing up here in the next day or two so I was planning on putting the 145/65/15 on it for the Winter. I have a Ural Patrol for everyday Winter commuting But I would like to get the GS rig out once in a while. Getting back up my 1/4 mile long driveway on the GS has been impossible up to this point so I'm hoping the Blizzak will take care of that problem.
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DirtyDR screwed with this post 12-07-2009 at 01:02 PM
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Old 12-07-2009, 12:26 PM   #45
BMWzenrider
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Quote:
Originally Posted by DirtyDR
I have one of Stroker's wheels showing up here in the next day or two so I was planning on putting the 145/65/15 on it for the Winter. I have a Ural Patrol for everyday Winter commuting But I would like to get the GS rig out once in a while. Getting back up my 1/4 mile long driveway on the GS has been impossible up to this point so I'm hoping the Blizzak will take of that problem.
Ok, here is the published inflation/load data for the Bridgestone Blizzak WS-60 145/65R15 tire.
(Rated loads include a 6.5% factor of safety according to checks using the standard industry load/inflation formula.)

Pressure - Load
(psi) - (lbs)
----------------
26 - 606
27 - 617
28 - 628
29 - 650
30 - 683
31 - 694
32 - 705
33 - 728
34 - 739
35 - 761
-
44 - 783 (max rated pressure)
----------------

I don't know if you have thrown your rig on a truck scale before, but for reference, my R1200RT/Hannigan-LT rig was weighed this summer with myself and travel baggage on board when I rode out west.
(no sidecar passenger, but about 50-70lbs of baggage)

The weight at each wheel with myself on the saddle came out as:
Drive Wheel: 650 lbs. (48%)
Steer Wheel: 420 lbs. (31%)
Chair Wheel: 290 lbs. (21%)
--------------------
Total: 1360 lbs. {woof!}

So, I am currently running this tire with 32psi which will allow for some additional load when carrying a passenger (Which happens rather frequently).

The "calculated" load rating for this tire with 32psi is 755 lbs., so I have an extra 100 lbs of load capacity for the times I am carrying a passenger. As most of the passenger's weight is being carried by the sidecar tire, that is plenty of safety factor.
Any more pressure in the tire and you will just be sacrificing traction and tread life.

You have a lighter sidecar installed, so you might be able to get away with slightly less air pressure. Especially if you don't often carry a passenger in the sidecar or on the bike.

YMMV...
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In Memoriam: Harley, 1993-2010 You will be missed.
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