Originally posted by CAnderson
... I am still very skeptical of their claims of having a transmission continuously shift without coming out of lockup... .
A harsh, jarring shift would come from instantly releasing the current planetary gear and instantly applying the next. Remember, the only reason an auto trans works is because one planetary gear or another is held in place.
Get a sheet of paper. Draw a square wave and a sine wave.
The square wave has a harsh transition from on-to-off and vice-versa (note the square edges of the pulse). The sine wave has a smooth transition from on-to-off and vice-versa (note the smooth edged of the wave).
Now, smooth off the square edges of the square wave with, in effect, portions of high-frequency sine waves. You will now have a smooth, but rapid, change from on-to-off, and vice versa.
I would expect this is how ATS are achieving smooth shifts without jarring the trans. I haven't deduced the actual mechanics of accomplishing this as yet.
So long as there are no *sudden* changes, things are less likely to break. It is akin to the diference between placing a bolt, head first, against a pane of glass, then tapping the bolt with either a rubber mallet or a steel hammer. The glass is much less likely to break when the bolt is tapped with the mallet, and much more likely to break when the bold is tapped with the hammer.
Another analogy? Loudspeakers being driven with a medium-power amp and a high-power amp. So long as the input voltage doesnot exceed the voice coil's capacity, the speaker will keep working, regardless of whether the input power is 50W, or 450W. Granted, at some point, say, 800W, the voltage exceeds the voice coil's insulation and the speaker flames out.
Properly designed, a transmission can shift under full power and not break, and not need to be made of super-special parts.
Now on to the other aspect of this thread.
Folks, let us keep this thread civilized. If you have questions, ask them. If you see factual errors, note them and ask that they be corrected.
Let's not get our panties in a bunch because a vendor is not yet willing, or ready, to divulge proprietary data. As is the case with many performance products, time will tell who is right and who is wrong. And there *is* room for multiple folks to be right. And let's remain calm when mistakes are made. We are only human; *all* of us will make mistakes sometimes.
We all get excited, and sometimes in our enthusiasm, mistakes are made. I hope we can be big enough to bring those mistakes quietly to the attention of the ones responsible, and big enough to acknowledge the error and correct it.
Let's keep it civil, folks. Spirited, yes. But not mean; there's no room for that here.
Remember, you can *always* go back and edit a post if you realize your words are inadvertantly harsh, or what you meant to say isn't quite reflected in the words you typed.
Happy discussions!
Fest3er