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Before electric starters, firing up an engine required raw human effort and a test of nerve. Hand-cranking a vintage car or tractor meant physically spinning a heavy steel handle directly linked to the pistons. The operator had to meticulously set the manual choke, retard the ignition, and pull up... show more

Mechanical Knowledge

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So, just learning that when standard tracks failed on M113 APCs in Vietnam’s deep mud, crews bolted specialized capstan drum hubs directly onto the front drive sprockets. By wrapping a heavy rope around the spinning hubs and anchoring it to a tree or auger, the crew turned the vehicle’s engine into a powerful capstan winch to pull themselves free. Brilliant.🫡

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Feels like a few moments ago when Golf GTI was still a manual. A hot hatch that still offered three pedals, still felt interactive, and still made sense as an everyday enthusiast car before the manual option disappeared. The engine is turbocharged and modern, but the appeal is rowing you're own gears. The GTI has always been about balance rather than extremes, and the last manual versions, like the Clubsport feel like the final link to what the name originally meant. Is Volkswagen or the endless regulations here to blame?

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The Blackburn Perth was Britain's largest biplane flying boat to serve with the RAF in the 1930s. Built as an upgraded Blackburn Iris, this massive three-engine beast (Rolls-Royce Buzzard engines, each pumping out over 800 hp) had a 97-foot wingspan, could haul 2,000 lb of bombs or depth charges, and flew with a crew of five or six. Its standout feature was the bow-mounted Coventry Ordnance Works (C.O.W.) 37mm automatic cannon — a rapid-firing anti-shipping weapon that fired up to 100 rounds per minute with a one-mile range, meant to target enemy vessels from the air. K3580 seen here was lost in heavy seas off Stornoway in 1935 when a wing float tore away during takeoff, sealing the type's short RAF career with No. 209 Squadron before monoplane flying boats took over.

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Aviation Archive - Tim Farmer

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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

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びーも

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A car owner used to service his own car to save money on service costs. After some time, his car’s engine started overheating again and again. Even after driving the car a short distance, the engine would become extremely hot and problems started developing in the engine, even though he was also putting coolant in his car. When the engine finally got damaged, he took his car to a mechanic. When the mechanic checked the car, he found that the owner had filled the engine coolant into the wrong tank instead of the coolant tank. He had filled it into the tank where the water for cleaning the car’s front windshield is kept. Then, when he turned on the wipers, all the coolant was sprayed onto the car’s front windshield through the pressure of the water motor. This was the reason his car kept overheating and the engine got damaged, because the coolant had been sitting in the windshield-washer tank instead of the coolant tank. When the mechanic checked the engine, he found that it had been completely damaged due to repeatedly overheating. Now, the car owner will have to spend a huge amount of money to get the engine repaired. The car owner wanted to save a little money by servicing his car himself, but because of that, he ended up damaging the entire engine of his car. That is why you should never do something without knowledge. You should not try to become an expert at everything you have never done before, because it can lead to a huge loss.

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Saffron Chargers

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#WATCH | Raipur, Chhattisgarh: On the Consumer Commission order directing Maruti Suzuki and its dealer to provide an E20-compatible vehicle or pay compensation, Advocate P.K. Nishad says, “Dr. Prem had purchased a Grand Vitara vehicle. After driving it for about 21,000 kilometres, a problem arose: the vehicle would shut down. An indicator on the dashboard would signal an engine problem. He took it to the company, but the issue wasn't resolved. The company claimed that the fuel used was of poor quality—specifically, that bad petrol had been put in—causing the warning light and the engine shutdowns. The company itself then replaced the fuel with a different batch, but the vehicle stalled again after just 60 kilometres… After examining all the evidence, the court concluded that there was a defect in the vehicle and a deficiency in service and trade practices. Consequently, the court ordered the company to provide a new vehicle or, failing that, to pay a sum of approximately ₹20 lakh…”

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NOELREPORTS 🇪🇺 🇺🇦

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We got a call to pick up this precious baby from a location in Oyo State, the client clearly stated the car was in a pretty bad condition and that he wanted to refurbish the car for his Dad. Arrangements were made for pick up and shortly after the driver passed Ibadan, the engine was overheating, and there were oil droplets on the road from the engine, he waited for a while and allowed the engine to cool off and topped up the water in the radiator, he had not driven for 10 minutes before the engine overheated again, I contacted our client and I told him the best option was to tow the car because there was no way that car would get to Inside Òṣogbo , he said we should go ahead and he was going to cover the cost. The car arrived our workshop Doromecho Automobile Solutions Ltd. Inside Òṣogbo safely. We informed our client and gave him the update, it was indeed going to be a total and complete Overhaul and refurbishment but of course, we were up to it.

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Maruti let the Ciaz die a slow death. There was no effort to revive it with CNG, a strong hybrid, or the 1.0L turbo engine; no 6 airbags or ADAS like the City and Verna. No facelift or generation change either to give it a fair last chance. Not an ideal move to let the C2 sedan segment go just like that.

Maruti let the Ciaz die a slow death. There was no effort to revive it with CNG, a strong hybrid, or the 1.0L turbo engine; no 6 airbags or ADAS like the City and Verna. No facelift or generation change either to give it a fair last chance. Not an ideal move to let the C2 sedan segment go just like that.

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Up close with Union Pacific Big Boy 4014, sitting idle on a siding in Wheatland, CA, quietly ticking and hissing as it waits for a passing train. The ticking sounds puzzled me. Does anyone familiar with steam locomotives know what causes these ticks? Could they signal an automatic system, or is the engine preparing to move? Got to hand it to Union Pacific, as they had plenty of employees around keeping it safe, and they even handed out small American flags for people to wave. Watch until the end, as we truly didn't know what was to come, but what happened next I will never forget. All I could do was hold on to the camera and hope for the best. The passing of the Abraham Lincoln Engine. caused the crowd to erupt in cheers! The energy and excitement marked the day as truly unforgettable, a perfect finale to an incredible experience with the Big Boy.

Up close with Union Pacific Big Boy 4014, sitting idle on a siding in Wheatland, CA, quietly ticking and hissing as it waits for a passing train. The ticking sounds puzzled me. Does anyone familiar with steam locomotives know what causes these ticks? Could they signal an automatic system, or is the engine preparing to move? Got to hand it to Union Pacific, as they had plenty of employees around keeping it safe, and they even handed out small American flags for people to wave. Watch until the end, as we truly didn't know what was to come, but what happened next I will never forget. All I could do was hold on to the camera and hope for the best. The passing of the Abraham Lincoln Engine. caused the crowd to erupt in cheers! The energy and excitement marked the day as truly unforgettable, a perfect finale to an incredible experience with the Big Boy.

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Had never seen this one before. Not only is the concept of a DC-9 in this military role exotic, this one raises the bar by using the UDF - UnDucted Fan - engine, which was a sort of hybrid between a turbofan and a turbopro. It promised up to to 30% reduction in fuel burn without decreasing in-flight cruise speeds. Seen here is an MD-81 demonstrator with the General Electric GE36 UDF at the 1988 Farnborough Air Show, shortly before the project was cancelled due to the lack of orders. 📹Phil Whalley

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William Wyler wanted an unknown actress to be cast in "Roman Holiday" (1953). Hepburn got an appointment to meet the director and turned up wearing a blouse and slacks. Even before seeing her test, Wyler recommended that Hepburn be put under contract. But he still had to discover whether her personality translated to the screen before she could be cast as the princess. "I couldn't stay to make the test, so I arranged for one." He left precise instructions. As Wyler explained later, "a test is precarious. A good actress might make a very bad test, because of nervousness or whatever. So I asked the director to perform an old trick." Whoever was assigned should "conspire with the cameraman and the sound man to continue to run camera and sound after the scene ended, in the hope that the girl would not be aware of this." This would allow him to see her "completely relaxed." This piece of footage was the result, and won Audrey the part.

William Wyler wanted an unknown actress to be cast in "Roman Holiday" (1953). Hepburn got an appointment to meet the director and turned up wearing a blouse and slacks. Even before seeing her test, Wyler recommended that Hepburn be put under contract. But he still had to discover whether her personality translated to the screen before she could be cast as the princess. "I couldn't stay to make the test, so I arranged for one." He left precise instructions. As Wyler explained later, "a test is precarious. A good actress might make a very bad test, because of nervousness or whatever. So I asked the director to perform an old trick." Whoever was assigned should "conspire with the cameraman and the sound man to continue to run camera and sound after the scene ended, in the hope that the girl would not be aware of this." This would allow him to see her "completely relaxed." This piece of footage was the result, and won Audrey the part.

Petronella Wyatt

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beautiful machine, looks like an engineers wet dream the toyota gr gt3 is an fia gt3 race car built around a 4.0l twin turbo v8, with the engine mounted up front and power sent to the rear wheels toyota developed the car around three priorities: a low centre of gravity, low weight with high rigidity, and aerodynamic performance the structure is particularly interesting too. toyota used its first all aluminium body frame, while the engine was designed to be compact and light, with dry sump lubrication and a thinner oil pan helping keep the powertrain lower in the chassis and since this is still a development prototype, toyota hasn't published final performance figures yet

beautiful machine, looks like an engineers wet dream the toyota gr gt3 is an fia gt3 race car built around a 4.0l twin turbo v8, with the engine mounted up front and power sent to the rear wheels toyota developed the car around three priorities: a low centre of gravity, low weight with high rigidity, and aerodynamic performance the structure is particularly interesting too. toyota used its first all aluminium body frame, while the engine was designed to be compact and light, with dry sump lubrication and a thinner oil pan helping keep the powertrain lower in the chassis and since this is still a development prototype, toyota hasn't published final performance figures yet

HighSovereign

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In 1909, the Gnome Omega became the first mass-produced rotary engine, marking a major step forward in early aviation. At a time when aircraft struggled with heavy, overheating powerplants, the Gnome Omega introduced a radical solution: the cylinders and engine block rotated around a fixed crankshaft, improving cooling and reducing weight. This unusual design allowed air to flow directly over the spinning cylinders, eliminating the need for bulky radiators. The high power-to-weight ratio made it ideal for pioneering aircraft, including those used by Louis Blériot during his historic 1909 crossing of the English Channel. Although rotary engines were eventually replaced by more efficient designs, the Gnome Omega remains a symbol of the experimental ingenuity that defined the birth of powered flight.

In 1909, the Gnome Omega became the first mass-produced rotary engine, marking a major step forward in early aviation. At a time when aircraft struggled with heavy, overheating powerplants, the Gnome Omega introduced a radical solution: the cylinders and engine block rotated around a fixed crankshaft, improving cooling and reducing weight. This unusual design allowed air to flow directly over the spinning cylinders, eliminating the need for bulky radiators. The high power-to-weight ratio made it ideal for pioneering aircraft, including those used by Louis Blériot during his historic 1909 crossing of the English Channel. Although rotary engines were eventually replaced by more efficient designs, the Gnome Omega remains a symbol of the experimental ingenuity that defined the birth of powered flight.

Mechanical Knowledge

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The Bulky Hulky Flying Millyard - The hand-built motorcycle created by British engineering genius Allen Millyard, featuring a massive 5.0-litre (5,000cc) V-twin engine. This mechanical beast was constructed in Millyard’s home garage using two 2.5-litre cylinders salvaged from a 1930s Pratt & Whitney R-1340 Wasp radial aircraft engine. Designed to evoke the spirit of early 20th Century board track racers, the bike features an eight-foot wheelbase, tiller-style handlebars, and a four-speed hand-shift gearbox. Despite its intimidating scale and "bucket-sized" pistons, the machine is famously road-legal in the UK and produces roughly 80 to 100 horsepower, prioritising a rhythmic, low-RPM "thumping" sound and immense torque over outright speed. It lacks a modern ECU, requiring the rider to manually adjust ignition timing and fuel mixture via brass levers on the tank while riding, making it as much a "rolling sculpture" as it is a functional vehicle. © allenmillyard (IG) #archaeohistories

The Bulky Hulky Flying Millyard - The hand-built motorcycle created by British engineering genius Allen Millyard, featuring a massive 5.0-litre (5,000cc) V-twin engine. This mechanical beast was constructed in Millyard’s home garage using two 2.5-litre cylinders salvaged from a 1930s Pratt & Whitney R-1340 Wasp radial aircraft engine. Designed to evoke the spirit of early 20th Century board track racers, the bike features an eight-foot wheelbase, tiller-style handlebars, and a four-speed hand-shift gearbox. Despite its intimidating scale and "bucket-sized" pistons, the machine is famously road-legal in the UK and produces roughly 80 to 100 horsepower, prioritising a rhythmic, low-RPM "thumping" sound and immense torque over outright speed. It lacks a modern ECU, requiring the rider to manually adjust ignition timing and fuel mixture via brass levers on the tank while riding, making it as much a "rolling sculpture" as it is a functional vehicle. © allenmillyard (IG) #archaeohistories

Archaeo - Histories

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These were the children of Gaza before the war, an entire generation executed before they could even see life. Their dreams were as vast as the sky, and now their greatest hope is to survive a cold night or a tent submerged in rainwater.

These were the children of Gaza before the war, an entire generation executed before they could even see life. Their dreams were as vast as the sky, and now their greatest hope is to survive a cold night or a tent submerged in rainwater.

Ahmed Nashwan𓂆

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