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Old 10-18-2012, 01:25 PM   #21
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From: Port Orchard, WA

I Ride: 2007 Moto Guzzi Norge, 1988 H-D (Project) Electra-Glide
“ Quote:
Originally Posted by Grantizzle View Post
I'm at school in woodenville all day. Maybe we can discuss on the telephone?
PM sent.

BTW: The mental picture of you dancing and dizzle tossing hot pesos at you is way too cool though.

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Old 10-18-2012, 08:01 PM   #22
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Joined: Aug 2011
From: Woodinville, WA

I Ride: Aprilia Futura
As long as you're trying to do it on the cheap, I figure I can ask this question...Does the single spacer serve any purpose that 6 small individual spacers wouldn't? Can't see that it does other than make it less fiddly to assemble.

Individual spacers would be super easy to part off from a bit of Al. tubing with any lathe, heck, you could even use the lamest of all methods, spin tubing in a drill and part it off with a fixed hack saw blade.

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Old 10-18-2012, 08:04 PM   #23
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Joined: May 2011
From: LaCenter, WA

I Ride: 2003 Copper SV1K
“ Quote:
Originally Posted by ericrayl View Post
As long as you're trying to do it on the cheap, I figure I can ask this question...Does the single spacer serve any purpose that 6 small individual spacers wouldn't? Can't see that it does other than make it less fiddly to assemble.

Individual spacers would be super easy to part off from a bit of Al. tubing with any lathe, heck, you could even use the lamest of all methods, spin tubing in a drill and part it off with a fixed hack saw blade.
ACtually, with the forces on braking you really should have one piece. See, instead of each bolt carrying it's own load and being allowed to flex, that ring connects them all and makes them stronger.

I'm not 100% certain how much it will flex but I'm fairly certain if it was OK to do that, the manu and engineers would have done that already to save a buck.

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Old 10-18-2012, 08:52 PM   #24
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Joined: Mar 2009
From: Spokane Valley

I Ride: Suzuki Boulevard C90, Suzuki DRZ400E, My Wife's Scooter
“ Quote:
Originally Posted by RedKat600 View Post
“ Quote:
Originally Posted by ericrayl View Post
As long as you're trying to do it on the cheap, I figure I can ask this question...Does the single spacer serve any purpose that 6 small individual spacers wouldn't? Can't see that it does other than make it less fiddly to assemble.

Individual spacers would be super easy to part off from a bit of Al. tubing with any lathe, heck, you could even use the lamest of all methods, spin tubing in a drill and part it off with a fixed hack saw blade.
ACtually, with the forces on braking you really should have one piece. See, instead of each bolt carrying it's own load and being allowed to flex, that ring connects them all and makes them stronger.

I'm not 100% certain how much it will flex but I'm fairly certain if it was OK to do that, the manu and engineers would have done that already to save a buck.
Well, hell, it's just Grant's bike: the front wheel is hardly ever on the ground, anyway...



KevinD

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Old 10-18-2012, 08:55 PM   #25
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Joined: Feb 2008
From: Mill Creek, Wa

I Ride: slower than you with a bigger grin!
“ Quote:
Originally Posted by RedKat600 View Post
ACtually, with the forces on braking you really should have one piece. See, instead of each bolt carrying it's own load and being allowed to flex, that ring connects them all and makes them stronger.

I'm not 100% certain how much it will flex but I'm fairly certain if it was OK to do that, the manu and engineers would have done that already to save a buck.
agree. i don't wanna break the hub. that would make me sad.

“ Quote:
Originally Posted by KevinD View Post
Well, hell, it's just Grant's bike: the front wheel is hardly ever on the ground, anyway...



KevinD
it's on the ground plenty, i'm not good enough yet to keep it off the ground for more than a second or two.

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Old 10-18-2012, 09:10 PM   #26
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From: Port Orchard, WA

I Ride: 2007 Moto Guzzi Norge, 1988 H-D (Project) Electra-Glide
Grant, don't let these people talk you into something stupid. I got your back. We need to get your example near my measuring tools (leave it alone bluuu ) so that I can get some magic done. I have some blackmail on a friend of mine, so we can get your spacers made.

Trust me, I'm from the government.

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Old 10-18-2012, 09:35 PM   #27
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Joined: Sep 2008
From: where they don't have lawns.

I Ride: on the storm.
“ Quote:
Originally Posted by Texasl View Post
Grant, don't let these people talk you into something stupid. I got your back. We need to get your example near my measuring tools (leave it alone bluuu ) so that I can get some magic done. I have some blackmail on a friend of mine, so we can get your spacers made.

Trust me, I'm from the government.
This is a good post.

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Old 10-19-2012, 05:33 AM   #28
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From: Woodinville, WA

I Ride: Aprilia Futura
I wouldn't do it the way I suggested either...having said that it is functionally equivalent and would be safe. To redkat60's point, the spacers have to have enough face area that the bolts see only shear and not bending. As far as sharing the load the rotor itself takes care of that.

No one mentioned the biggest potential issue with doing it with individual spacers, they have to all be very very close to the same length or it's just like a warped rotor.

Yes, I am a mechanical engineer who has done stress analysis for a long time
Yes, I am too lazy to make a model and run FEA to prove it

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Old 10-19-2012, 05:45 AM   #29
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From: Port Orchard, WA

I Ride: 2007 Moto Guzzi Norge, 1988 H-D (Project) Electra-Glide
“ Quote:
Originally Posted by courier11sec View Post
This is a good post.
Blame it on Canadia. Someone snuck some Black Velvet into my Diet Coke.

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Old 10-19-2012, 06:06 AM   #30
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Joined: May 2011
From: LaCenter, WA

I Ride: 2003 Copper SV1K
“ Quote:
Originally Posted by Texasl View Post
Grant, don't let these people talk you into something stupid. I got your back. We need to get your example near my measuring tools (leave it alone bluuu ) so that I can get some magic done. I have some blackmail on a friend of mine, so we can get your spacers made.

Trust me, I'm from the government.
I have seen what you have access to.

Grant, get this guy your shit ASAP and I guarantee you he will make you something worthy of being on the space shuttle.

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Old 10-19-2012, 07:09 AM   #31
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Joined: Jul 2009
From: Kirkland, Washington
Blog Entries: 1

I Ride: Yamaha V-Star 1100 Custom
“ Quote:
Originally Posted by RedKat600 View Post
I have seen what you have access to.

Grant, get this guy your shit ASAP and I guarantee you he will make you something worthy of being on the space shuttle.
Pre or post explosions?

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Old 10-22-2012, 06:41 PM   #32
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Joined: Dec 2009
From: Lake Stevens, WA

I Ride: Buell Ulysses (sold), TTR-250, BMW F650 (Sold), CBR954RR, Concours 14
Have a fair number of tools....mill with fly cutter might work.

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Old 10-22-2012, 06:56 PM   #33
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Joined: Apr 2011
From: Port Orchard, WA

I Ride: 2007 Moto Guzzi Norge, 1988 H-D (Project) Electra-Glide
“ Quote:
Originally Posted by RedKat600 View Post
I have seen what you have access to.

Grant, get this guy your shit ASAP and I guarantee you he will make you something worthy of being on the space shuttle.
Grant, PM and text sent. Will call tomorrow.

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Old 10-22-2012, 07:02 PM   #34
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Joined: Feb 2008
From: Mill Creek, Wa

I Ride: slower than you with a bigger grin!
“ Quote:
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Grant, PM and text sent. Will call tomorrow.
Heart rate back to normal, pm reccieved, replied.

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