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Old 04-18-2014, 06:21 PM   #121
cele0001 OP
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BMW 1150GS Clutch Splines spacer kit

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Originally Posted by cele0001 View Post
Here is the next waitilist. I need to rethink the order process since it is taking some effort to keep track of people and not piss anybody off.


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WORN INPUT SPLINES CLUTCH HUB SPACER R1150XX
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Old 04-18-2014, 07:20 PM   #122
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It's an interesting answer to a question many have asked.

Your spacer has relief to accommodate the shoulder of the hub, how close is the fit? I'm wondering what effect heating will have and whether the two parts will expand at different rates, possibly leading to stresses on the hub or spacer.
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Old 04-21-2014, 03:55 PM   #123
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Andrew I would suggest the expansion differences will be a non factor in this application. The materials are not that different and given Cele's eye for detail probably the same gap as stock. I'll let you know when I get mine.

Now if the BMW engineer in charge had been half as concerned about the details as we are there probably wouldn't be a problem to begin with.
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Old 04-21-2014, 08:36 PM   #124
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Originally Posted by Boomer343 View Post
Andrew I would suggest the expansion differences will be a non factor in this application. The materials are not that different and given Cele's eye for detail probably the same gap as stock. I'll let you know when I get mine.

Now if the BMW engineer in charge had been half as concerned about the details as we are there probably wouldn't be a problem to begin with.

You still didn't get the spacer?
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Old 04-21-2014, 08:38 PM   #125
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The next batch just shipped. I think you can check paypal for tracking info
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Old 04-24-2014, 12:25 PM   #126
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Quick update

I have sent out the second batch of spacers and people should be receiving them by the end of the week. I am not planning on getting another batch made until there are 10 people that are interested. I am also working on a "third option" solution for this issue which would be more expensive ( but still fair) but much, much easier and cleaner to implement. There are still a couple of tests I have to run.
I will post updates as the development progresses.
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Old 04-24-2014, 07:54 PM   #127
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Quote:
Originally Posted by cele0001 View Post
I have sent out the second batch of spacers and people should be receiving them by the end of the week. I am not planning on getting another batch made until there are 10 people that are interested. I am also working on a "third option" solution for this issue which would be more expensive ( but still fair) but much, much easier and cleaner to implement. There are still a couple of tests I have to run.
I will post updates as the development progresses.
Esmir
OK, now you have my attention...so, what is rev3?
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Old 04-25-2014, 10:43 AM   #128
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There are three ways to move the clutch onto the shaft splines.

1. Make a longer shaft. GSAddict did this a while ago (a true pioneer in this area) but due to the prohibitive costs the idea never took off.
2. Move the clutch hub onto the shaft. This is what Bruno clutch is, and what my spacer does. It accomplishes complete shaft engagement but it does not move the center line of the clutch.
3. In my opinion the cleanest solution (if possible) is to move the entire flywheel with the clutch back onto the input shaft. I will focus on this option in the future days since it would be pure "bolt up" and it would be a 5 minute job once the transmission is out. It would however involve more parts and the price would be about three times higher than the spacer (estimate). It would save time and allow the bike to keep the "stock" clutch.
I am in the process of designing the parts and then moving onto the test phase with my bike.
Here are some preliminary ideas regarding the crank spacer.





Appreciate the input.
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cele0001 screwed with this post 04-25-2014 at 10:49 AM
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Old 04-25-2014, 12:09 PM   #129
Bob
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Just a question, with the crank spacer would you have to move the starter back, or is there enough room?
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Old 04-25-2014, 01:51 PM   #130
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Quote:
Originally Posted by Steve W. View Post
Me thinks the slave cylinder would also need to move back, or the rod shortened.

I've pondered: could the clutch carrier stay put to keep the starter alignment, and space back the friction plates and spring from there? Still have to deal with the slave.
Cheers
Steve

PS Has anyone installed the clutch spacer yet????

Two words. Custom pushrods.
I am also wondering when will the first official install take place
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Old 04-25-2014, 01:54 PM   #131
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Quote:
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Just a question, with the crank spacer would you have to move the starter back, or is there enough room?

I am going to find out. That is one variable that I need to figure out
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Old 04-26-2014, 07:26 PM   #132
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Instead of custom push rods why not a simple spacer for the clutch slave the same thickness as the flywheel spacer.

Longer fasteners and a weep hole would complete the package.

Time and money....time and money.
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Old 04-26-2014, 10:51 PM   #133
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BMW 1150GS Clutch Splines spacer kit

But then you lose the pilot part of the pushrod. The one that goes in the crank. 6mm. And the little felt portion is also moved. Additionally , there are actually two contact surfaces for the slave cylinder, one inside the bore, and one outside.so it would be two spacers there with longer bolts. I think custom pushrod is easier. The rod is base 9mm and small lathe work makes it easy to make. I am talking to my new supplier. It would be Cnc run. 50 pieces.

The kit will include

1 crank spacer, 5 holes (11mm) for the bolts and the hole in the same location as the locating dowel on the crank. Pin would be pressed in to the right depth to give it "male and female" ends.
5 M11 x 1.5 x 40mm (6 longer than stock) 12.9 bolts.
1 custom pushrod.
small portion of Guarddog molly, enough to lubricate the splines (probably a couple of times).
maybe a bag of M&M.
Looks like one tool included (1/2" drive 12 point 12 mm socket.
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cele0001 screwed with this post 04-27-2014 at 06:24 PM
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Old 04-27-2014, 05:32 AM   #134
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Clutch hub works but it requires greater level of knowledge to install ( and more time.).Crank spacer would be a pure bolt up kit. ( if I am not missing something) . Right now it is probably about 2 months away. I have to get the prototypes done and test them out. I know that the hub spacer is possible, I want to see if this "third option " is and at what cost.
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Old 04-28-2014, 07:11 PM   #135
Boomer343
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Got my hub spacer in the mail today and have it all together and ready for install.

The pieces fit great and everything aligned with no issues. I used 4 bolts with nuts to hold the pieces in position and then used my air chisel with a slightly concave punch face to set the rivets.

I screwed up one rivet and can tell you getting the new longer rivets out is much tougher than the OE rivets. The one I had to remove wasn't even set up to full compression.

To answer an earlier question about spacing and heat expansion that has been taken into account in the spacer.

Great quality piece in my opinion. Thanks Esmir for making and providing these pieces.

Now to get my cases aligned.....
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