Drive shaft- alum vs moly vs carbon vs price ?

[Morris]

Originally Posted by patrickt

Agreed. Do you see any sense in having one u-joint intentionally larger, or smaller, than the other u-joint with the intention of controlling which one goes in the event that something happens that forces the occurrence of one of them having to go? Or was that just a case of an engineer over-thinking the equation....

Patrick

Engineers always try to figure out smaller ways to to do things and that's there profession...... but Experience has overcome many engineering idea's....

So I believe we should listen to them then use our experience to make a intelligent decision on the side of Speed and Safety.

But when you are spinning a Drive Shaft at 7500 rpm's next to your body.... well that ends the question....

And I don't want a driveshaft failing on the rear or front on my car for one second.... the drive shaft can do a lot of damage in 2-3 seconds that it's going crazy.......you may not be able to put the clutch in at that point........that is just not smart....

That's like walking up to a Tiger and slapping him in the face and saying "now you got 2-3 seconds to go like mad".....

[patrickt]

Nobody wants any u-joints failing any where, any time. But, if the little race fairy said to you "Morris, one of your driveshaft u-joints is going to fail. I'm not going to tell you when or how it's going to fail, but I'm going to let you pick whether it's the front or the back one." What would you tell the race fairy?

[Morris]

Originally Posted by patrickt

Nobody wants any u-joints failing any where, any time. But, if the little race fairy said to you "Morris, one of your driveshaft u-joints is going to fail. I'm not going to tell you when or how it's going to fail, but I'm going to let you pick whether it's the front or the back one." What would you tell the race fairy?

Patrick

I'd tell the Race Fairy to go Kiss a Rattle Snake and tell me how it feels....

I might then tape a photo of my car's front end on their mirror.... so they see what it looks like ..... cause all they are going to see is my Rear end in the Race....

Then tell her that there are other Competitors out there that need her advise...Please feel free to talk to them......

[patrickt]

Well the race fairy says you're no fun. I'll try it this way then, from a purely theoretical standpoint, do you see any difference, in any regard, from a failure of the front u-joint versus a failure of the rear u-joint? Or do you view the failure of either as being, essentially, an identical occurrence?

[FUNFER2]

Originally Posted by Morris

Patrick

Engineers always try to figure out smaller ways to to do things and that's there profession...... but Experience has overcome many engineering idea's....

So I believe we should listen to them then use our experience to make a intelligent decision on the side of Speed and Safety.

But when you are spinning a Drive Shaft at 7500 rpm's next to your body.... well that ends the question....

And I don't want a driveshaft failing on the rear or front on my car for one second.... the drive shaft can do a lot of damage in 2-3 seconds that it's going crazy.......you may not be able to put the clutch in at that point........that is just not smart....

That's like walking up to a Tiger and slapping him in the face and saying "now you got 2-3 seconds to go like mad".....

I was in the pits one time watching a dirt Modified race at our local track. A driver blew his tranny to hell and parts went everywhere. Although all cars are ruled to have a driveshaft hoop, he did not have it welded and mounted properly, the shaft broke at the tranny end and it stuck in the clay track, and Catapulted the car 25ft in the air like a pole vaulter !

It became funny, because the driver came out of his car laughing his ass off !

Until the track inspector found his shaft and both knuckles were Illegal !!!

[Morris]

Originally Posted by FUNFER2

I was in the pits one time watching a dirt Modified race at our local track. A driver blew his tranny to hell and parts went everywhere. Although all cars are ruled to have a driveshaft hoop, he did not have it welded and mounted properly, the shaft broke at the tranny end and it stuck in the clay track, and Catapulted the car 25ft in the air like a pole vaulter !

It became funny, because the driver came out of his car laughing his ass off !

Until the track inspector found his shaft and both knuckles were Illegal !!!

How Scary is that....

[FUNFER2]

Think that's scary, a friend in his 360ci sprint was going down the backstretch when an idiot tried to push up to the top, hitting my friend coming into turn 3, he sent him into the spot where theres a pit enterance. He hit that open guardrail at apx 125mph, with instantly,....stopping action, the worst that can happen !

His engine went over the fence, thats how hard he hit !
His eyes were blood red from stretching his retina's. LOOKED SCARY !
Other than that, he was very sore.

Very,.....blessed !

I can also tell ya very bad stories too. lol....

Anyway,.....