One Stroke Engines - 200% More Efficient??

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This could also work as a silent backup generator for home or a cottage.

It’s two stroke, the revolution gearing doesn’t change the fact that the piston reciprocates twice per power cycle of said piston.

In case you haven't noticed we aren't buying EV's. They are piling up in dealerships. We have woken up to the lie.

Your ending comment regarding driving. I couldn't be more opposite. I love the sound, the vibrations, the gear changes, the clutch, the feel of being part of the machine. You want to be isolated completely from the machine. Different strokes (see what I did there?). Take care.

Your 'butterfly' swimmer is doing the 'breaststroke.'

This is just 2 opposing 2 stroke engines. To have a true 1 stroke, you would need to have a 2 stroke engine that has a combustion chamber on each side of the piston, so that it is pushed on each stroke by a power stroke. Also, I love the idea of a sine plate. Dynamcam had a sine plate design in 1941. It had the benefit of completing 4 strokes for all 12 cylinders every rotation of the engine. This means that it could produce a lot more power for every rotation than a conventional engine. It was a very promising design, I'm not sure what ever happened with it. But it is still legal to have one in an aircraft to this day.

I'm not an engineer but found your explanations easy to understand. Great production quality as well. Clearly a lot of work went into producing it and it shows! Excellent!

Ricky, the first thing I thought seeing this engine was "that would be the ideal range extender" for a serial hybrid. I have 2 BMW i3s that do exactly the same thing but with a 600cc 2cyl engine that is tuned down for efficiency and longevity and makes around 23kW out the generator. It makes it one of the lightest production EVs made so far.

The idea of the “range extender” is how I first heard the idea of hybrids described decades ago. A very small IC engine would be tuned to run at its optimal operating point to charge a smaller battery when needed and otherwise completely electric drive. It made a lot of sense to me. No transmission, the performance of electric drive but the backup capacity and energy capacity of gasoline when needed for longer trips.

Old dude here. I’ve never been against electric cars. In fact I can see the practicality in them , except for 2 big reasons. Range and cost. Neither of which has been addressed to date. And frankly changing every car or truck to electric in America is impractical due to the cost of upgrading the grid, and needs of large semi trucks. I know they’re working on it, but we still aren’t there yet.

Interesting question at the end! In the 1970s, during the Arab oil embargo, I worked out a plan to make a vehicle much like you propose. It simply had a battery pack, individual motors on each wheel, and a "small but efficient" engine running constantly at its most efficient speed to generate electricity to recharge the battery. That plus regenerative braking would have created an extremely efficient vehicle with 4 wheel drive and "silent running". Had something better than lead-acid batteries been available, and had I more money... woulda coulda shoulda...

The Range-extender concept is exactly what Ram's 2025 Ramcharger EV is: It's they EV truck with a smaller battery (150mile range on full charge) but with a 3.6 V6 engine to provide an additional 500 miles of range. The 150mile range on the battery alone is a good blend, as that should be sufficient for most daily use.. but for longer trips towing loads, the V6 would kick in. I always felt this is how hybrids should work in the first place (I think Chevy's original bolt or something used to work this way?)

14:59. The reason its a prototype is because there is ABSOLUTLY no lubrication going on. It would be extremely hard to cool that or improve its long lasting ability.

The pursuit of efficiency will always be a worthwhile endeavor. To improve upon an existing or "old" technology is what many branches of engineering are all about. Also, what someone's education is in, or what their Linkin profile shows, is often not an indication of their full life education or experiences.

A range extender ICE for an electric drive vehicle. That sounds exactly like what Edison Motors is doing! They've taken the idea of a diesel-electric locomotive and made a diesel-eletric semi. It uses a small CAT engine running at peak efficiency to turn the generator to recharge the batteries or provide electricity for the e-axles. They've also partnered with their suppliers to create retrofit kits for older pickup trucks (1999 and older, so far).

Air in a gas turbine gets drawn in, then is compressed, then is mixed with fuel and ignited then expands through turbine blades (power stroke) then exhausts out the end so this is truly a one stroke engine. And the high power they put out is reflective of that.

The world is not about to transition to EV.

Why on Earth did you make the swimming analogy? It's even more complicated than engine lol

Yes, the evacuation of exhaust gas velocities are a real event which also increases the intake charge seen during valve opening overlap on 4 stroke engine.