Near side rear kerbed...

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Re: Near side rear kerbed...

by Sir Nick » Mon Oct 31, 2011 6:31 pm

Yes it has LSD.  Spoken to the factory today - car booked in for new bearing and hub.  Hope that's all thats needed.

Thanks for all the responses.  Will post back if there is anything else to report.

Cheers

Nick

Re: Near side rear kerbed...

by AtomMadStew » Sun Oct 30, 2011 6:31 pm

Our max tolerance (Honda measurements) after fitting a new disc to a hub  is 0.02mm at the disc area. That is some runout you have there. Assuming the bearing is circlipped in the hub one side and the shaft bolted through it effectively clamps both sides of the bearing together. You might be lucky & get away with a new bearing and hub flange but it would be better having the hub examined By the factory, also possibly the outer shaft end/threads too. 

Re: Near side rear kerbed...

by Andrew300 » Sun Oct 30, 2011 6:22 pm

I think you got to take the hub off and check the bearing's are rolling ok ,if there not best change them also have you got lsd on your car

Re: Near side rear kerbed...

by Sir Nick » Sun Oct 30, 2011 5:38 pm

Photo 2
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IMG_1.jpg

Re: Near side rear kerbed...

by Sir Nick » Sun Oct 30, 2011 5:38 pm

They say a picture paints a thousand words, so here are 2.  They show the highest point in two planes, in thou.  I left a wheel nut to to show reference.  Is it possible that the bearings have moved in the upright I wonder?  Haven't got a socket that fits the hub nut so can't go any deeper today.  Further thoughts anyone?

Cheers

Nick
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IMG_0.jpg

Re: Near side rear kerbed...

by Andrew300 » Sun Oct 30, 2011 7:45 am

:checkeredflag: ;)post what you find ?

Re: Near side rear kerbed...

by Sir Nick » Sun Oct 30, 2011 7:34 am

Yep dial tester already set up.  But it will have to wait until after the Indian GP :)  I can already see there is run-out at the hub, but it looked a strong component so I wondered if it was someting further back, not that there is much further back!

Enjoy the race - A win for Jenson!?


[quote="Cell-key"]
Hi Nick I agree with John , if you get a dail test indicater and set it up on the hub, take some measurement's of movement ,it will help pin point the problem
[/quote]

Re: Near side rear kerbed...

by Andrew300 » Sun Oct 30, 2011 7:20 am

Hi Nick I agree with John , if you get a dail test indicater and set it up on the hub, take some measurement's of movement ,it will help pin point the problem

Re: Near side rear kerbed...

by AtomMadStew » Sat Oct 29, 2011 11:16 pm

a bent hub flange sounds feasable. 

Re: Near side rear kerbed...

by Sir Nick » Sat Oct 29, 2011 10:41 pm

Thanks for the replies guys, much appreciated.

"Otherwise surely the wheel would rotate true, it would just be rotating in the wrong plane"
[/quote]

That's exactly the thing I can't 'see' either....can it really have bent the drive shaft?!

Is it possible the bearings/flange are out of square with the upright?  That could account for a run out.  Would re-seating these sort it? 

Re: Near side rear kerbed...

by John Scherrer » Sat Oct 29, 2011 6:10 pm

2.
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IMG_7483 (Medium).jpg

Re: Near side rear kerbed...

by John Scherrer » Sat Oct 29, 2011 6:09 pm

These might help visualise the problem
1.
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IMG_7494 (Medium).jpg

Re: Near side rear kerbed...

by John Scherrer » Sat Oct 29, 2011 5:57 pm

If you're only seeing a 'runout' of approx 3mm, you're not going to be able to see or measure much I would have thought.

For the wheel to look like it's running out / buckled, and it's not the wheel/tyre assembly as you've ruled that out, it suggests that the hub is now loose on in its bearings/ upright maybe due to metal displacement caused by the impact.

Otherwise surely the wheel would rotate true, it would just be rotating in the wrong plane.

Re: Near side rear kerbed...

by Changeling » Sat Oct 29, 2011 5:13 pm

Both sides are mirror images so it may be an idea to take a measure and angle from the good side and compare.
When I hit my front hub, my top wishbone twisted up as well as collapsed out so check space between top and bottom frames.
Andy H

Re: Near side rear kerbed...

by ragezx14r » Sat Oct 29, 2011 3:30 pm

I think A-arms are desingend to collapse in the event of an impact to absorb some of the force etc

Probably best to check wheel allignment on that wheel

Darren

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