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Porsche Just Invented a 6-Stroke Engine?! How does Porsche's 6-stroke engine work? It adds an extra compression and stroke sequence to squeeze maximum efficiency out of every drop of fuel. Check out the internal planetary gear movement in motion! Brilliant engineering or too many moving parts?

Mechanical Knowledge

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21,009 Aufrufe • vor 2 Tagen •via X (Twitter)

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Elon Musk: Raptor 3 is alien technology. “Raptor 3 is a massive increase in payload capability, in engine efficiency, and in reliability. This is really a revolutionary engine. Raptor 3 is really kind of an alien technology rocket engine. Even industry experts, when we showed a picture of the Raptor 3, said, that engine is not complete. Then we said, here's the engine, not complete, firing at a level of efficiency that has never been achieved before. That is one clean engine. In order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself so everything is contained and protected. It is a marvel of engineering, frankly.” From: SpaceX Update, May 27, 2025

Elon Musk: Raptor 3 is alien technology. “Raptor 3 is a massive increase in payload capability, in engine efficiency, and in reliability. This is really a revolutionary engine. Raptor 3 is really kind of an alien technology rocket engine. Even industry experts, when we showed a picture of the Raptor 3, said, that engine is not complete. Then we said, here's the engine, not complete, firing at a level of efficiency that has never been achieved before. That is one clean engine. In order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself so everything is contained and protected. It is a marvel of engineering, frankly.” From: SpaceX Update, May 27, 2025

ELON CLIPS

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Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

DogeDesigner

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Get your first look at the new era of Rocket League announced at the Paris Majors, with the reveal of a new version of Rocket League coming soon that's powered by Unreal Engine 6. Check out Unreal Engine 6 in Rocket League, coming soon to consoles and PC.

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Is it just me, or does the smell of premix in the morning hit better than a fresh cup of coffee? ☕️💨 Kawasaki just dropped a bombshell—an all-new 327cc 2-stroke is officially on the way! Fuel-injected, electric start, and absolutely ready to tear it up. Are you Team 2-Stroke for life, or have you gone completely soft on us? 👇 #Kawasaki #2Stroke #KX327 #DirtBikes #Moto #Braap #KawasakiKX #Motocross

Is it just me, or does the smell of premix in the morning hit better than a fresh cup of coffee? ☕️💨 Kawasaki just dropped a bombshell—an all-new 327cc 2-stroke is officially on the way! Fuel-injected, electric start, and absolutely ready to tear it up. Are you Team 2-Stroke for life, or have you gone completely soft on us? 👇 #Kawasaki #2Stroke #KX327 #DirtBikes #Moto #Braap #KawasakiKX #Motocross

Happy Motorhead

17,132 Aufrufe • vor 3 Monaten

In the late 1980s, McDonnell Douglas tested the GE36 propfan on an MD-80. It combined the fuel efficiency of a turboprop with the speed of a jet and proved the concept could work. But with fuel prices dropping, noise concerns, and changing priorities, it never made it into airline service. Even so, the program helped shape many of the engine technologies used today.

In the late 1980s, McDonnell Douglas tested the GE36 propfan on an MD-80. It combined the fuel efficiency of a turboprop with the speed of a jet and proved the concept could work. But with fuel prices dropping, noise concerns, and changing priorities, it never made it into airline service. Even so, the program helped shape many of the engine technologies used today.

Aviation

608,610 Aufrufe • vor 1 Monat

Ozempic is out of control. Harvard scientist just found out sudden blindness has DOUBLED because of GLP-1 drugs. Here’s why (and how to fix it): 1. Due to NAION — which is like a stroke in your eye

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Longevity Code

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It would have made much more sense if Eloise were a lesbian. But Francesca, with such an important story and stroke of fate that many women can relate to? In the past, women were cast out or unalived because of infertility to this day many who struggle. I can’t understand.

It would have made much more sense if Eloise were a lesbian. But Francesca, with such an important story and stroke of fate that many women can relate to? In the past, women were cast out or unalived because of infertility to this day many who struggle. I can’t understand.

𝖋𝖗𝖆𝖓.

4,809,264 Aufrufe • vor 6 Monaten

How about one image straight to an editable UE5 or Blender scene? Lumera just dropped paper - Engine-Native Editable 3D World Reconstruction with Objects & Lighting. You give it an image. It figures out what's in the scene, rebuilds every object as a separate mesh, then recreates the lighting as actual engine lights you can move and tweak. Even pulls an HDR environment out of the shot. The lighting part is the big deal here. Every other image-to-3D approach bakes it in. Lumera keeps it a parameter, like the scene was built in the engine from the start. Code and weights marked as "Soon". Paper -

How about one image straight to an editable UE5 or Blender scene? Lumera just dropped paper - Engine-Native Editable 3D World Reconstruction with Objects & Lighting. You give it an image. It figures out what's in the scene, rebuilds every object as a separate mesh, then recreates the lighting as actual engine lights you can move and tweak. Even pulls an HDR environment out of the shot. The lighting part is the big deal here. Every other image-to-3D approach bakes it in. Lumera keeps it a parameter, like the scene was built in the engine from the start. Code and weights marked as "Soon". Paper -

Stefan 3D AI

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I'm doing a giveaway of my engine MonTamer Maker, the engine that Dokimon is made in! Giveaway contents: - 3x MonMae : 80$ For every 25 shares I'll give away an extra copy too👀 To enter: 🔀- Share ❤️- Like 🤗- Follow That's it! Check the link in my bio for more details! :)

I'm doing a giveaway of my engine MonTamer Maker, the engine that Dokimon is made in! Giveaway contents: - 3x MonMae : 80$ For every 25 shares I'll give away an extra copy too👀 To enter: 🔀- Share ❤️- Like 🤗- Follow That's it! Check the link in my bio for more details! :)

八野

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The Grove, Ealing I happened upon this HGV, with no driver* present and the engine running. By a stroke of luck, I noticed 2 police officers go into a cafe just beyond where the HGV was parked. So, I went in and got them out to do some "policing". *Hi-vis man is not the driver

The Grove, Ealing I happened upon this HGV, with no driver* present and the engine running. By a stroke of luck, I noticed 2 police officers go into a cafe just beyond where the HGV was parked. So, I went in and got them out to do some "policing". *Hi-vis man is not the driver

Walking Marky

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It doesn’t sound good. It sounds unreal. The E60 M5’s V10 was a Formula 1 engine. Nothing sounds like it, not before or after. The E60 M5’s S85B50 V10 was born from BMW’s F1 research, ten throttle bodies, 8,250 rpm redline and a flat-plane–like firing order that gave it that razor-edged howl. Every gear change from the SMG-III gearbox adds a bark of mechanical aggression, making the car feel alive even at idle. The titanium valves, semi-dry sump, and ultra-short stroke allowed it to rev like a race engine. No turbos, no filters, just raw combustion turned into music. BMW has never made anything like it again.

It doesn’t sound good. It sounds unreal. The E60 M5’s V10 was a Formula 1 engine. Nothing sounds like it, not before or after. The E60 M5’s S85B50 V10 was born from BMW’s F1 research, ten throttle bodies, 8,250 rpm redline and a flat-plane–like firing order that gave it that razor-edged howl. Every gear change from the SMG-III gearbox adds a bark of mechanical aggression, making the car feel alive even at idle. The titanium valves, semi-dry sump, and ultra-short stroke allowed it to rev like a race engine. No turbos, no filters, just raw combustion turned into music. BMW has never made anything like it again.

Autowelt

19,721 Aufrufe • vor 11 Monaten

As the CFM LEAP engine shuts down, you can hear the distinctive “whoosh” sound followed by a gush of air. That is the Reverse Bleed System (RBS) at work. During normal operation, a significant amount of fuel remains unpurged in the system after engine shutdown. This residual fuel, located near or within the hot section, vaporizes due to high temperatures and deposits carbon (coke) on the fuel nozzles. Over time, nozzle coking leads to several operational and maintenance issues, including loss of thrust, reduced engine efficiency due to incomplete combustion, accelerated deterioration of hot-section components (combustor and High-Pressure Turbine), engine start failures, potential engine stalls, and increased unscheduled engine removals. The Reverse Bleed System (RBS) prevents fuel nozzle coking by automatically introducing cool air from the core compartment into the engine core flowpath after shutdown. This effectively lowers the fuel nozzle temperature below the coking threshold. RBS can operate for a maximum of 1 hour, and its effectiveness depends on ambient conditions (especially ambient temperature) and the total duration it runs. The last flight of the day contributes the most to fuel nozzle coke accumulation because of the extended dwell time at the gate. By actively managing post-shutdown thermal conditions, RBS significantly reduces coking-related problems, improves engine reliability, and lowers long-term maintenance costs. Now, also coming soon to the CFM56

As the CFM LEAP engine shuts down, you can hear the distinctive “whoosh” sound followed by a gush of air. That is the Reverse Bleed System (RBS) at work. During normal operation, a significant amount of fuel remains unpurged in the system after engine shutdown. This residual fuel, located near or within the hot section, vaporizes due to high temperatures and deposits carbon (coke) on the fuel nozzles. Over time, nozzle coking leads to several operational and maintenance issues, including loss of thrust, reduced engine efficiency due to incomplete combustion, accelerated deterioration of hot-section components (combustor and High-Pressure Turbine), engine start failures, potential engine stalls, and increased unscheduled engine removals. The Reverse Bleed System (RBS) prevents fuel nozzle coking by automatically introducing cool air from the core compartment into the engine core flowpath after shutdown. This effectively lowers the fuel nozzle temperature below the coking threshold. RBS can operate for a maximum of 1 hour, and its effectiveness depends on ambient conditions (especially ambient temperature) and the total duration it runs. The last flight of the day contributes the most to fuel nozzle coke accumulation because of the extended dwell time at the gate. By actively managing post-shutdown thermal conditions, RBS significantly reduces coking-related problems, improves engine reliability, and lowers long-term maintenance costs. Now, also coming soon to the CFM56

Arjun Singh

53,598 Aufrufe • vor 3 Monaten

EP-367 with Dr. (Col) Joy Dev Mukherji, Neurologist, premieres today at 5 PM “Even a simple barber neck massage can trigger a stroke” “Air pollution doesn’t just damage the lungs; it increases the risk of dementia too” “Doing yoga doesn’t guarantee you won’t have a stroke'' “Cannabis and recreational drugs can cause strokes, headaches, lung issues & heart problems” “In many villages, epilepsy is treated with 'jharphuk' and stroke with turmeric; this must stop'' “Treatment is expensive; we need affordable care and better health insurance for every individual” Tap 'notify me' to get episode alerts: #Anipodcast #Smitaprakash #Health #Heart #Stroke #Yoga #Brain

EP-367 with Dr. (Col) Joy Dev Mukherji, Neurologist, premieres today at 5 PM “Even a simple barber neck massage can trigger a stroke” “Air pollution doesn’t just damage the lungs; it increases the risk of dementia too” “Doing yoga doesn’t guarantee you won’t have a stroke'' “Cannabis and recreational drugs can cause strokes, headaches, lung issues & heart problems” “In many villages, epilepsy is treated with 'jharphuk' and stroke with turmeric; this must stop'' “Treatment is expensive; we need affordable care and better health insurance for every individual” Tap 'notify me' to get episode alerts: #Anipodcast #Smitaprakash #Health #Heart #Stroke #Yoga #Brain

ANI

340,914 Aufrufe • vor 9 Monaten

Sara Saffari had NO IDEA why her BRAND NEW $300,000 Porsche 911 Turbo S had a check engine light, until Sam Frank found out she was hitting 130mph within the first 300 miles 🫣🏎 "How many miles are on it?" "Probably like 300... 200." "That's why there's a check engine light, it's not even passed the BREAK-IN PERIOD, which is like at 1,500 miles." "My car doesn't have a break-in period." "Every car does, it's over 1,000 miles for sure."

midaqih

4,131,574 Aufrufe • vor 3 Monaten

Libero battles in Serie A were likened to queens in chess. Scirea played on an intelligence level not seen before or since. Every pass intentional, every movement designed to bait the opposition 6. Here's Scirea getting Baresi out of position twice out wide resulting in goals.

Libero battles in Serie A were likened to queens in chess. Scirea played on an intelligence level not seen before or since. Every pass intentional, every movement designed to bait the opposition 6. Here's Scirea getting Baresi out of position twice out wide resulting in goals.

Hannah

26,166 Aufrufe • vor 1 Monat

🚨 THIS MAN WARNS: STOP WARMING UP YOUR CAR - YOU’RE ACTUALLY CAUSING ENGINE DAMAGE A mechanic says idling your car for 5–10 minutes like it’s 1995 is doing the opposite of what you think. Modern engines don’t need it. "Most cold-start engine wear happens because excess fuel washes oil off the cylinder walls." When your engine is cold, the computer runs a rich fuel mixture - extra gasoline to stabilize combustion. That fuel acts like a solvent, washing oil off the cylinder walls. Less oil = piston rings scraping closer to metal. That’s where most cold-start engine wear happens. Idling keeps the engine cold longer. Driving gently warms the oil, transmission, and engine faster, ends the rich mixture sooner, and restores proper lubrication. The fix is simple: Start the car. Wait 15–30 seconds. Drive easy until temps rise. Long idling only makes sense for frost, fog, or extreme cold. How many people are quietly damaging their engine every single morning without realizing it?

🚨 THIS MAN WARNS: STOP WARMING UP YOUR CAR - YOU’RE ACTUALLY CAUSING ENGINE DAMAGE A mechanic says idling your car for 5–10 minutes like it’s 1995 is doing the opposite of what you think. Modern engines don’t need it. "Most cold-start engine wear happens because excess fuel washes oil off the cylinder walls." When your engine is cold, the computer runs a rich fuel mixture - extra gasoline to stabilize combustion. That fuel acts like a solvent, washing oil off the cylinder walls. Less oil = piston rings scraping closer to metal. That’s where most cold-start engine wear happens. Idling keeps the engine cold longer. Driving gently warms the oil, transmission, and engine faster, ends the rich mixture sooner, and restores proper lubrication. The fix is simple: Start the car. Wait 15–30 seconds. Drive easy until temps rise. Long idling only makes sense for frost, fog, or extreme cold. How many people are quietly damaging their engine every single morning without realizing it?

HustleBitch

52,384 Aufrufe • vor 8 Monaten

I've kept a pretty low (online) profile of what I'm building, but word's getting out. My company Astro Mechanica has invented a new kind of jet engine. Unlike any existing engine, it's efficient at every speed. Because it's efficient at every speed, we can use it in a new way: as the first stage of an orbital launch vehicle. The resulting platform will get payloads to orbit dramatically cheaper than all-rocket systems - among many possible applications. The key insight is to use electric motors to drive a compressor. That way we can make it spin at any speed, allowing it to "adapt" to it's airspeed and combustion cycle. One of the coolest parts: the video below is of a demonstrator my team and I built last year. We already have a new engine with 10x the thrust that will be complete next month.

Ian Brooke

8,098,117 Aufrufe • vor 2 Jahren

On October 9th, we spoke with Gian Paolo Vernocchi, CEO and Creative Director of DESTINYbit on how Unreal Engine 5 helped to deliver an innovative tactical RPG in NITRO GEN OMEGA. The game presents a “spaghetti anime” art style and blends turn-based gameplay with the feeling of directing an episode of an anime. Check it out:

On October 9th, we spoke with Gian Paolo Vernocchi, CEO and Creative Director of DESTINYbit on how Unreal Engine 5 helped to deliver an innovative tactical RPG in NITRO GEN OMEGA. The game presents a “spaghetti anime” art style and blends turn-based gameplay with the feeling of directing an episode of an anime. Check it out:

Unreal Engine

11,554 Aufrufe • vor 10 Monaten

Meisha Retsuden: Greatest 70s (PS1) has a feature where you can adjust timing, ignition, and Air/Fuel Ratio. You could get a bit of extra performance by somehow adjusting it so the “engine” dial goes to green, or screw up your car messing up with the settings. The car needs to be re-tuned if you attach new parts, too

Meisha Retsuden: Greatest 70s (PS1) has a feature where you can adjust timing, ignition, and Air/Fuel Ratio. You could get a bit of extra performance by somehow adjusting it so the “engine” dial goes to green, or screw up your car messing up with the settings. The car needs to be re-tuned if you attach new parts, too

びーも

25,648 Aufrufe • vor 4 Monaten