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Old 04-18-2011, 07:12 PM   #1001
Karl Buchka
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Torque tube:


Transmission side is on the left.

You can see the hole for the selector rod here:


The bellhousing bolts to the outer circle and the hydraulic throwout bearing is attached to the two inner holes:


The entire assembly obviously needs to be shortened quite a bit. We haven't done any measuring yet, but we're hoping the input shaft length and torque tube bolt pattern allow for a simple adapter plate arrangement with the 960 bellhousing.
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Old 04-19-2011, 11:38 AM   #1002
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Why do you think it needs to be shortened? I would think you could position the engine so that you wouldn't have to modify it at all. The difference in wheelbase between the C5 and the 240 is less than 1/4", and the vette has the engine sitting well behind the centerline of the front wheels.

Edit: no hot linking: http://corvetteactioncenter.com/gall...c5chassis4.jpg (copy and paste)
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Old 04-19-2011, 03:37 PM   #1003
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Also, looks like it uses the same throwout bearing as the LS1 f-body T56.

http://www.ramclutches.com/corvette/...tube_front.jpg
http://www.wilcap.com/T56.JPG

Input shaft should stick out a good inch or more longer than the T56 since it doesn't have that recessed area. You guys can borrow my jig thing too, just needs a 5.000" hole in a plate.
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Old 04-26-2011, 06:13 PM   #1004
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THANKS Eric. You're a doll.

In other news, here's what a "permanently sealed" STS-V/C5 Corvette hub/bearing assembly that's been permanently disassembled looks like. Turns out they're more user serviceable than Timken would lead you to believe.



Pop off the ABS sensor cover, pull the ABS trigger wheel off, then remove this two-piece retaining ring. After that it presses apart easily (too bad we didn't figure this out until after we had wailed on it in a 40 metric ton press).


Disassembling the hubs makes it easier to modify the bolt pattern and center bore.

And a CAD update. Alex did a ground-up redesign of the front brake calipers. The basic piston layout and pad is the same, but these are lighter, easier to machine, use smaller stock, deflect significantly less, and look about 100x more bad ass than the old ones.



Last edited by Karl Buchka; 04-26-2011 at 06:30 PM..
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Old 04-26-2011, 07:08 PM   #1005
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I came at that cad drawing.
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Old 04-26-2011, 07:39 PM   #1006
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Quote:
Originally Posted by Karl Buchka View Post
and look about 100x more bad ass than the old ones.
Yes, yes they do. Now that I can't wait to see being machined, TAKE VIDEO!
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Old 04-26-2011, 07:55 PM   #1007
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Sweet, it looks really nice! I'd like to see the finished product!
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Old 04-26-2011, 08:31 PM   #1008
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I hope you maintain the color scheme of the CAD when it goes to production.
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Old 04-26-2011, 09:00 PM   #1009
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Quote:
Originally Posted by towerymt View Post
I hope you maintain the color scheme of the CAD when it goes to production.
I hear they are going to make their own carbon/carbon rotors.
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Old 04-26-2011, 09:30 PM   #1010
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start sintering now and you'll be done by the time the car needs brakes.
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Old 06-11-2011, 11:09 PM   #1011
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It's nice when stuff just bolts together.



Cursory measurements indicate that the torque tube should work perfectly as-is. Pretty excited about that.
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Old 06-11-2011, 11:13 PM   #1012
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See post 1002.
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Old 06-13-2011, 09:20 AM   #1013
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Excellent work!
I really enjoy reading the updates. Keep them coming.

If you're interested, check out the V8 Supercars Car of the future blog -
http://www.v8supercars.com.au/cotf/t...4/default.aspx

Also good reading.

Cheers.
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Old 06-13-2011, 03:01 PM   #1014
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Do you have guidance pins on your upright adjustment or is it's position entirely fixed by the screws?
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Old 06-13-2011, 04:05 PM   #1015
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Thanks Ash. That's a cool blog. Just added it to my reader.

240_brick, if you look closely at the cad drawings you can see there's a "track" for the mounting block to ride in.
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Old 06-14-2011, 01:27 AM   #1016
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Delicious as usual. I can't wait for seconds.
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Old 07-30-2011, 10:00 PM   #1017
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bumpity bump. anything new?
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Old 07-31-2011, 12:50 AM   #1018
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Unfamiliar with a torque tube. . . . .& when you say the tranny's going to be in the back, how far back ? is that the tranny & the rear dif bolted directly together ? Appreciate the info.


.................Dave
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Old 07-31-2011, 01:31 AM   #1019
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Quote:
Originally Posted by Scandia View Post
Unfamiliar with a torque tube. . . . .& when you say the tranny's going to be in the back, how far back ? is that the tranny & the rear dif bolted directly together ? Appreciate the info.


.................Dave
trans at the back with the rear diff. imagine you split the bell housing from the trans, put the torque tube in between.
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Old 08-14-2011, 11:01 AM   #1020
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Just realized this thing got bumped a while back. Spent the summer getting a new workshop space in order, so we didn't get much of anything done on the 242. Same old story.

Back in Sweden now. Got lots of new ideas and new concepts to work through, time permitting.
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Old 08-14-2011, 01:26 PM   #1021
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Interested to see how u are going to setup the rear suspension with the cv joints and hubs.
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Old 08-14-2011, 02:10 PM   #1022
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sequential lh fueling
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Old 08-21-2011, 06:47 PM   #1023
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Quote:
Originally Posted by Karl Buchka View Post
Just realized this thing got bumped a while back. Spent the summer getting a new workshop space in order, so we didn't get much of anything done on the 242. Same old story.

Back in Sweden now. Got lots of new ideas and new concepts to work through, time permitting.
So nothing is getting done.
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Old 08-23-2011, 12:33 AM   #1024
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sweet build im on board!!!!!
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Old 01-12-2012, 01:29 AM   #1025
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The measuring stick and the plywood square: the latest in a long line of high tech tools developed specifically for this project.

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