Here is something interesting I found in Racecar Engineering... A company claims to have found a way to do a clutchless shift without having a moment of no gears engaged! Not only this but the claim was taken as worth while by racecar engineering seeing as though they put it in there. It is in the newest Febuary magazine, I forget who wrote it and there were no actual images. Possibly scarbs knows a little more than the magazine says...? Here is what the racecar engineering website is releasing for free:
Before you get too deep into this feature, it’s only fair to warn you that, due to the sensitivity of the technology we’re writing about, we’re unable to bring you the whole story.
""Normally we wouldn’t do that. Either we would insist on telling our readers everything or we would hold off until we were in a position to. This, however, is an exception. The principle behind the gearbox you are about to read about is so revolutionary and so original that even the limited amount we are allowed to tell you makes the story worth telling.
The Holy Grail of gearbox design is reduced shift time ultimately leading to no discernable break in power delivery at all. While any decent racing box measures its shift times in milliseconds, to an engineer it represents a huge gap during which any application of power to the road is prevented. Take the time for one shift, multiply it by the number of up changes in a race or even a qualifying lap and the resultant time the car spends just coasting is enough to make a race engineer weep.
If changes could be made not only without cutting the engine’s power but also without breaking drive to the road then the gains are obvious to anyone. This is an objective that has eluded everyone including all the Formula 1 teams, but a new company in the UK has achieved it. Notice that we don’t say ‘claims’ or even ‘appears’ because even though we can’t say exactly how it is done, we have seen it and you must believe us when we say it works.
FOR THE FULL STORY SEE RACECAR ENGINEERING V14N2 OUT NOW!""
They dont explain how it works, they do say it has been tested in a TVR Tuscan? I know it was some TVR car. Sounds incredible, I cant imagine how it works besides flexible shafts to allow twisting when both gears are engaged, which still wouldnt work in my mind hehe. Does ANYONE KNOW ANYTHING ABOUT THIS TRANNY? I will probably post more when I can read the whole article, very interesting stuff.