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Toyota definitely has the technology to make it a modern EFI 4 stroke, though. For the fuel intake and compression strokes, the coils could be disconnected from the load and driven so that the strokes complete.
less weight for the same power. The pressure curve can also be optimized and shaped instead of the sinusoid forced by the rotating movement. Etc.
have less problems when inlet air goes to the exhaust, since in a diesel, inlet air doesn contain any fuel.
digdugdirk 118 days ago link
Toyota Central R Developing Free
userbinator 118 days ago linkmarvin 119 days ago link
digdugdirk 119 days ago link
Two stroke engines are actually smaller, cheaper, and more powerful than four stroke engines of equal displacement. The issue with two stroke engines is cleanliness. Because there isn a spare cycle to push all the extra unburned particles out of the Nike Free 5.0 Mens All Black chamber and let only clean air into the chamber, there is some loss of power efficiency due to the attempted combusting of leftover particles. This is more than mitigated by having double the amount of power strokes per equivalent displacement. There actually some really interesting design techniques that have been used to "coax" the waste particles out of the chamber, take a look at MotoGP technology circa early 2000 if you want to learn more.
Much higher frequency, not RPM! (there is no flywheel to go around.)
Oscillating piston generators have been around for a long time, they nothing new and based on the same principle of operation as those shake to recharge flashlights; note the date on this one in particular:http: they were briefly used in very limited amounts by the Germans in highly space constrained applications like missiles, but otherwise they were quite inefficient.
In the linear design, the generator is used inefficiently because the magnets are moving in a sinusoid instead of a constant velocity past the windings, and the maximum speed of a piston is lower than the optimum speed of a generator. The reason is that traditional design was built for actual mechanical spinning of the wheels with all the trade offs coming from it. Generating engine has completely different requirements which Nike Free 5.0 Womens Running Shoes Black
All the two stroke engines I have used (light aviation) have been terribly unreliable and painful to maintain. Won start, often fires just on one cylinder, stops randomly, leaks oil everywhere. Is this a "shitty design" problem rather than an inherent problem with two stroke engines?
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Interesting. Presumably there will still be just piston rings in the normal place, although I would like to see more on how they are going to lubricate it. You don want the gas spring chamber to fill up with oil. My guess for how they are going to get it started is by driving the permanent magnets with the coils. Also, why is it 2 stroke? I always assumed that 2 strokes were smaller and cheaper, but had less power. Possibly because there is no momentum to do 2 of the 4 strokes. Nike Free Run 5.0 Size
userbinator 119 days ago link
Probably a combo of both. You know how I said above that there are some cool design techniques to get the old waste gases out of the cylinder? Well those techniques only work over a very narrow band of RPMs, under very specific air ratios. Your problem is even worse because you in an aviation setting. Your engines are experiencing very different air densities, and this is causing the air ratio to change drastically compared to what they been tuned for. If they get too rich, they stall. Due to the design, they aren "oiled" like a car, you instead shoot the oil in with the gasoline in the injection cycle, and it just kinda seeps in and around the engine. That the main reason why they dirty both literally and environmentally.
would drive trade offs and optimizations. For example, you can run free piston at much higher rpm, thus mitigating the inefficiency of magnet usage. Higher rpm would lead to
jacquesm 119 days ago link
tsomctl 119 days ago link
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