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Car Forum / Driving, Maintenance, Tuning / General Car Topics / July 2007What would be the qualities of a very small V-12?
What would be the differences between a 3.0L V-12 and a 3.0L V-6? Suppose that all else being equal, except the bore/stroke are proportionately smaller (the V-12 has pistons one half the size of the pistons of the V-6). I heard that the V-12 is going to be more smooth. OTOH, the V-6 would be more durable for some reason. Would the V-12 have more torque, efficiency, power, etc.? > What would be the differences between a 3.0L V-12 and a 3.0L V-6? > Suppose that all else being equal, except the bore/stroke are [quoted text clipped - 5 lines] > > Would the V-12 have more torque, efficiency, power, etc.? All other things being equal V12 would be smoother, I think it would have more torque, and it would last longer. The reason it would last longer is because it's naturally balanced, unlike the V6, that's a big reason why straight 6's tend to last so long. Jeff DeWitt Then, besides costs of implemetning a v12, why aren't small v-12s (i.e. 3.0L) more common? What are the disadvantages? > > What would be the differences between a 3.0L V-12 and a 3.0L V-6? > > Suppose that all else being equal, except the bore/stroke are [quoted text clipped - 13 lines] > > Jeff DeWitt Cost of course. A V12 is much more complex than a V6, complexity = money. The are also a lot longer, which makes them hard to fit under the hood of most modern cars. The extra cost of a V12 can be justified in an expensive luxury or sports car, where the smoothness and cool factor of the V12 may make it worth while, but in normal bread a butter type cars they don't make sense. Jeff DeWitt > Then, besides costs of implemetning a v12, why aren't small v-12s > (i.e. 3.0L) more common? [quoted text clipped - 15 lines] >> >> Jeff DeWitt I wonder, in that case, the properties (qualitatively and quantitatively) of a V-24 3.0L engine!!! Or an X-24 engine...another words, an engine with many many very small pistons/cylinders. What would be the qualities? Finally, as a proof in concept, do you know if any research has been doine on this? Mazda had a 1.8L V-6 a few years. It wasn't so popular. > Cost of course. A V12 is much more complex than a V6, complexity = > money. The are also a lot longer, which makes them hard to fit under [quoted text clipped - 27 lines] > > - Show quoted text - > I wonder, in that case, the properties (qualitatively and > quantitatively) of a V-24 3.0L engine!!! [quoted text clipped - 4 lines] > > Mazda had a 1.8L V-6 a few years. It wasn't so popular. BRM had a 1.5L V-16 Sounded FANTASTIC > http://www.billzilla.org/BRM-loudpass.mp3 (wind your speakers up to "stun" (particularly for the last part)) As the number of cylinders increases, the internal friction increases. Also complexity cost etc. goes through the roof as well. There is no power increase with more cylinders. HTH, Ben On Jul 14, 1:13 pm, Kaleidoscopic Perspectives <zutalors...@yahoo.com> wrote: > I wonder, in that case, the properties (qualitatively and > quantitatively) of a V-24 3.0L engine!!! > > Or an X-24 engine...another words, an engine with many many very small > pistons/cylinders. What would be the qualities? Finally, as a proof > in concept, do you know if any research has been doine on this? > As the number of cylinders increases, the internal friction increases. > Also complexity cost etc. goes through the roof as well. [quoted text clipped - 10 lines] >> pistons/cylinders. What would be the qualities? Finally, as a proof >> in concept, do you know if any research has been doine on this? All of which is true, and this is getting silly. A V24 in a modern car is getting ridiculous, that car would have a LONG hood, and an X24 is even goofier, although at least it would have a more reasonable length. According to Wikipedia both V24s and X24s have been built for aircraft use, but they are VERY rare and not successful. The one V24 listed was rather large, 50 liters! (that is FIFTY, not five.) Jeff DeWitt Alot of unusual configurations have been tried years ago. There are a ton of interesting motors at enginehistory.org. HTH, Ben > According to Wikipedia both V24s and X24s have been built for aircraft > use, but they are VERY rare and not successful. The one V24 listed was > rather large, 50 liters! (that is FIFTY, not five.) > > Jeff DeWitt |
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