Tell us a little about you. What cars you are interested, where you are from and why you are interested in learning to tune.
Hello everyone, from Greece, and LESS Engineering. We're a small new team with a big idea! A few years ago, we patented a new innovative mechanism that replaces the traditional crankshaft design, with a smaller and improved mechanism that converts reciprocating to rotary motion. (You can find more at our website).
Since we are not experts in engines (by far), we have been using HP Academy's courses to understand more details about their operation and current state of the industry, and needless to say, it's been amazingly helpful!
Armed with the new knowledge, we're now well on our way to completing and upgrading our first prototype. Here are some of the promising advantages:
1. Improved combustion - Thanks to our unique kinematics, we can delay movement in TDC and make an isochoric combustion without the need for ignition advance, resulting in better mechanical exploitation of the combustion's energy output.
2. Improved volumetric efficiency and scavenging - Again thanks to our kinematics, we delay at BDC giving more time for the cylinder to be filled, and we delay at TDC which allows for increased scavenging.
3. More torque -Our design naturally has more torque, because we make one full combustion per "crankshaft"/main axle rotation. This gives us twice the torque for any given HP. (You can think of our engine as running at half the RPM of a traditional design with twice the torque. Or as having a built-in gear reduction of 2:1)
4. Oversquare design - Our design is naturally oversquare, with a Bore/Stroke ratio of 2:1 (similar to Formula 1 engines). This allows us to run at high RPM and create more power output
5. The original idea for the mechanism was that it was smaller in size. This means we can make a smaller/lighter engine for the same power output, or replace an existing engine with a bigger displacement, depending on the goal.
6. Less friction - Another original goal was to reduce friction. This comes from the fact that our design has 2 points of friction compared to the crankshaft's 3 points, as well as reducing all the radial forces on the piston that originate from the conrod and result in piston-wall friction. Those can be up to 25% of the total amount of friction losses, and we virtually eliminated them (our piston only has axial forces acting on it).
7. More efficient - For reasons I can't share as we are in the process of patenting this particular new innovation, our newest design will be able to more efficiently extract the power from the fuel mixture's combustion at all engine loads.
I'm really excited about our next steps, and we couldn't have done it without HPA! To infinity and beyond!!
Welcome aboard its great to have such positive feedback