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Originally Posted by sonett3
Well then I guess you need to stop the BS Olson.
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No BS from me...
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Originally Posted by rhjames
interesting......haven't heard of anyone breaking a torque tube (shaft). I've seen the couplers broken, clutches blown, transmissions torn up......and oiling problems with the engines, but no shaft breakage.
maybe.....it's the next thing in line for failure....?
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A few people have. I learned that if we could drill a 1/4" hole in the center of our TT's it would be much stronger than the solid piece because you remove the fulcrum point (i.e. the center) and transfer the load over a greater area. The problem is we can't drill a hole that long without great expense.
The solution is heat treating. The factory TT's are not heat treated. The issue is that traditional heat treating (horizontal) will cause the the shaft to bend/warp which will cause considerable vibration at 6800 RPM. If you can hang it and heat treat it, you can impart 50% more strength to the shaft and gravity with help you to keep it straight. But it's not easy to find a place to do it.
Luckily the breaks appear to have been anomolies thus far, but eventually it will become an issue for high HP 928's.