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Why CVD and not UJ

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jo90 View Drop Down
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    Posted: 29 January 2007 at 12:42pm

Since coming back to racing I have noticed that all cars seem to run CVD's these days. Is there any reason in this and the move away from UJ's ? Don't forget I was away from racing for ages, so there is still a big black hole in knowledge im trying to fill

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glypo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote glypo Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2007 at 12:48pm
In electric touring cars....

CVD's are just simply more effcient. UJ's are still alive in nitro off-road, however even there a lot of the big companies are moving to CVD's too now, just making them strong.
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Ian S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ian S Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2007 at 8:12pm
I didnt think current driveshafts are constant velocity anyway?
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MattW View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MattW Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2007 at 9:08pm
They aren't. They are basically just fancy/re-buildable UJ's
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racer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote racer Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2007 at 10:03pm

Basicly they are UJs, take a look at a real CVD off car, its full of ball bearings which are in constant contact.

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jo90 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jo90 Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 12:56pm

I thought that was the case Matt. So why have we gone over to the 'fancy' one's ? It always seemed to me like the UJ's had stronger parts so where able to hack the demands put on them. I never recall a UJ breaking on any car years ago.

I wonder if there are any on the market that would fit our EC's just to try them out.

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mi2driver View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mi2driver Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 3:34pm
no u dont break ujs u just loose them if u pop a ball joint , and they r far less efficent 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote billybonalina Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2007 at 7:49pm

what is the actual difference? which ones come standard on an mi2 as im completely lost on this topic!

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jo90 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jo90 Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2007 at 1:49pm

Mi2Driver - your talking about dogbones, not UJ's

I remember that happening a few times years ago with my ZXR on a grass track !

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mi2driver View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mi2driver Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2007 at 3:42pm
sorry my mistake
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