Prática de Shadowing: Why AMG Engines DESTROY Everything😳| Explained Ep.8 - Aprenda a falar inglês com vídeo
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One man, one engine.
Um homem, um motor.
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Mercedes-Benz top trim vehicles are bestowed with a three-letter badge that signifies power, prestige, and performance.
Os veículos com o acabamento topo de linha da Mercedes-Benz recebem um emblema de três letras que simboliza potência, prestígio e desempenho.
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It's called AMG.
Chama-se AMG.
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AMG stands for Ulfricht, Milka, and Grossespada, two engineers in hometown where it all started.
AMG significa Ulfricht, Milka e Grossespada, dois engenheiros da cidade natal onde tudo começou.
5
Early years of AMG were engineering and developing race engines for Daimler-Benz, and as their reputation grew, there was a demand beyond racing engines to complete cars and packages for Benz models.
Os primeiros anos da AMG foram dedicados à engenharia e ao desenvolvimento de motores de corrida para a Daimler-Benz, e à medida que sua reputação crescia, surgiu uma demanda que ia além dos motores de corrida, abrangendo carros completos e pacotes para os modelos da Benz.
6
In 1986, AMG would get world-ride recognition for their E-Class nickname, the Hammer, which at the time was the world's fastest sedan.
Em 1986, a AMG ganharia reconhecimento mundial pelo seu apelido para a Classe E, o Hammer, que na época era o sedã mais rápido do mundo.
7
After partnering with Benz in 1990, some of the most legendary German sedans, coupes, and SUVs have been produced with that three-letter badge.
Após fazer parceria com a Benz em 1990, alguns dos sedãs, cupês e SUVs alemães mais lendários foram produzidos com aquele emblema de três letras.
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But what makes an AMG an AMG is the engine.
Mas o que faz um AMG ser um AMG é o motor.
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The first joint AMG and Benz vehicle you saw was the C36 AMG with the 3.6 liter M104.
O primeiro veículo conjunto da AMG e da Benz que você viu foi o C36 AMG com o M104 de 3,6 litros.
10
This engine was a hand-built board and stroke version of the 2.8 liter M104 engine found in the C280.
Este motor era uma versão de bloco e curso construída à mão do motor M104 de 2,8 litros encontrado no C280.
11
It received a 3.5 liter diesel crankshaft with bump the displacement up to 3.6 liters
Ele recebeu um virabrequim de diesel de 3,5 litros, o que elevou a cilindrada para 3,6 litros.
12
and the AMG specific intake camshaft with increased lift, forged pistons and a larger sleeve and compression was bumped from 10.0 to 1 to 10.5 to 1.
e o eixo de comando de admissão específico da AMG com maior curso, pistões forjados e uma camisa maior, e a taxa de compressão foi aumentada de 10,0 para 1 para 10,5 para 1.
13
You had a computer ported, which we now know today as CNC ported cylinder head with sodium filled exhaust valves.
Você teve um cabeçote de cilindro com usinagem por computador, o que hoje conhecemos como cabeçote com usinagem CNC e válvulas de escape preenchidas com sódio.
14
This engine could propel an unrestricted C36 AMG to up to 170 miles an hour on the Autobahn
Esse motor poderia impulsionar um C36 AMG sem restrições a até 274 km/h na Autobahn.
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and set the tone for engines to come.
e definiu o tom para os motores que viriam.
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Next you have the M119 V8.
Em seguida, temos o M119 V8.
17
This engine was found in the E50 and E60 AMGs and also the SL60.
Esse motor era encontrado nos AMGs E50 e E60 e também no SL60.
18
It was a robust V8 that was a pretty revolutionary engine for its time with an aluminum alloy block, dual overhead cam, four valve per cylinder alloy heads
Era um V8 robusto que era um motor bastante revolucionário para a sua época, com bloco de liga de alumínio, comando de válvulas duplo no cabeçote e cabeçotes de liga com quatro válvulas por cilindro.
19
that featured variable valve timing up to 20 degrees for good idle quality and mid-range power.
que contava com temporização variável das válvulas de até 20 graus para boa qualidade de marcha lenta e potência na faixa intermediária.
20
Forged connecting rods with coated pistons, and it was available in three different displacements from 4.2 liter,
Bielas forjadas com pistões revestidos, e estava disponível em três diferentes cilindradas de 4,2 litros,
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5 liter, and 6 liter configurations with the max output of 375 horsepower for the later 6 liter variant.
Configurações de 5 litros e 6 litros, com uma potência máxima de 375 cavalos de potência para a variante posterior de 6 litros.
22
This same engine in 5 liter race trim with twin turbos power the Sauber C9, which won the 1989 24 hours of Le Mans,
Esse mesmo motor, em versão de corrida de 5 litros com turbos duplos, alimentava o Sauber C9, que venceu as 24 Horas de Le Mans de 1989.
23
which solidified the M119 in legendary AMG status.
o que consolidou o M119 no status lendário da AMG.
24
Next we have the M113 and M113K VH used in the C43 AMG and the 55 AMG series of cars.
Em seguida, temos os motores M113 e M113K VH usados nos carros das séries C43 AMG e 55 AMG.
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AMG stroked the 5.0L M113s to 5.4L with the forged crankshaft,
A AMG aumentou o curso dos motores M113 de 5.0L para 5.4L com o virabrequim forjado,
26
forged connecting rods, and the M113K for compressor has beefier pistons
bielas forjadas, e o M113K para compressor tem pistões mais robustos
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that are disched to lower the compression from 11 to 1
que são usinados para reduzir a compressão de 11 para 1
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to 9 to 1 since it has a 2.1L twin screw supercharger on top, making around 11 pounds of boost.
para 9 para 1, já que ele tem um supercharger de rosca dupla de 2.1L no topo, gerando cerca de 11 libras de pressão.
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The compressor engines have different camshafts for more exhaust duration, which is paramount on boosted engines.
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The M113K specifically is a very tuner-friendly engine.
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With just pulley swaps and fueling, you can provide over 550 wheel horsepower in these cars.
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An even higher output version of the M113K was the M155.
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It was found in the SLR McLaren.
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It produced more boost pressure.
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It had a more efficient intercooler design.
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It was a closed-deck block to better handle the cylinder pressure near the deck surface, and it also had dry some oiling.
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What replaced the M113K was the M156 in the 63 series of AMG cars.
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This was a pure AMG design which means that it wasn't a modified Mercedes Benz engine before, rather it was AMG design from the ground up.
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The M156 went back to dual overhead cam
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and variable valve timing like the M119 and included a closed deck engine block like the SLR McLaren.
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In later M156s, you could option a performance package
42
that included lightweight crankshaft and upgraded rods and forged pistons from the SLS AMG.
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This engine was initially met with some criticism since the previous M113K was supercharged
44
and and made an immense amount of low end torque.
45
But with the higher revving and lighter and more nimble M156 quickly gathered its own legendary status within the AMG enthusiast.
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An even higher performance version of the M156 was the M159 and it debuted in the SLS AMG.
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It had reinforced engine block with a dry sump oiling system, an anti-friction coating on the cam buckets.
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It gave it longevity at high RPMs and had a revised velocity stack intake which helped high RPM flow.
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In the SLS AMG Black Series, This engine produced 622 naturally aspirated horsepower, which at the time was a record for a road legal production V8.
50
Now the replacement for the M156 was the M157, which powered all 63 AMG models except the C63.
51
This engine wasn't a pure AMG design, rather it was built off of the M278 engine family.
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This marked the return of factory force induction like the M113K, but now it was twin gear at turbochargers feeding this 5.5 liter V8 engine.
53
This saw the introduction of direct injection in an AMG engine
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and allowed higher boosted compression of 10 to one compared to the M113K's nine to one.
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This engine wasn't a high RPM screamer, rather it was a more torquey replacement,
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which in later SL63 trim made 664 pound feet of torque which was diesel like.
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It featured a forged crankshaft and forged rods with hyper eutectic pistons and air to water intercooling system, which was very efficient at the time.
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And this was a great bed for tuning with reflashes alone these cars were adding over a hundred horsepower
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and a hundred torque over the base engine specs.
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The next evolution of AMG V8 engine was the M177.
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This replaced the M157 in the 63 AMG lineup
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and this was a smaller displacement 4.0L V8 with a hot V turbo configuration, which helps spool the turbocharger quicker.
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In the C63 and GL63 applications, the turbos are single scrolled, whereas in the E63S and S63,
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they are twin scroll turbos with higher boost levels all the way up to 22 pounds of boost
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and 603 horsepower and 677 pound-feet of torque, which is just absolutely insane.
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Both variants are closed-deck engine blocks with fully forged rotating assemblies.
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A high output track version called the M178 was used in the AMG GTR and Black Series, which featured dry sump lubrication,
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and the GTR compression was reduced to 9.5 to 1 to accommodate more boost pressure reliably,
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and the Black Series received revised turbochargers and a flat plane crank
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and a higher rev limit to the result of 720 horsepower, and when released, was the fastest factory road car around the Nurburgring.
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This will most likely be the last V8 engine by AMG, as the new C63s will receive turbocharged inline fours with hybrid assist.
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Now there's a vast amount of other AMG engines like the hand assembled M133 turbo four cylinder in the 845 AMG,
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the M275 twin turbo V12 that was an absolute torque monster,
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the M112K which was supercharged then it was found in the C32 AMG and the Chrysler Crossfire.
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And then there's also the turbo AMG engines that aren't hand built in a Falterbach
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that are in the 43 and 53 AMG variants of more recent cars.
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And I think it's safe to say whatever direction AMG takes in the future, they're still gonna be building completely badass vehicles.
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So hope you guys enjoyed this video.
79
Any suggestions for the next one, put it in the comments down below.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível C1 usa o vídeo “Why AMG Engines DESTROY Everything😳”. As palavras que mais se repetem: Amg, engine, liter, forged, turbo. Este vídeo tem 79 frases e 1227 palavras para praticar shadowing. A fala dura 8:10. O falante fala em ritmo natural, cerca de 150 palavras por minuto, próximo de uma conversa do dia a dia. Apenas 65% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| litre substantivo | /ˈli.tɚ/ | litro |
| forge substantivo | /fɔɹd͡ʒ/ | frágua, forja |
| horsepower substantivo | /ˈhɔɹsˌpaʊɚ/ | cavalo de vapor, cavalo-vapor |
| piston substantivo | /ˈpɪstən/ | pistão |
| torque substantivo | /tɔɹk/ | torque, binário |
| crankshaft substantivo | virabrequim, cambota | |
| compression substantivo | /kəmˈpɹɛʃ.ən/ | compressão, compactação |
| cylinder substantivo | /ˈsɪləndɚ/ | cilindro |
| displacement substantivo | /dɪsˈpleɪsmɪnt/ | deslocamento |
| variant substantivo | /ˈvæɹi.ənt/ | variante |
| trim verbo | /ˈtɹɪm/ | cortar, podar |
| camshaft substantivo | /ˈkæmʃæft/ | eixo de comando, árvore de cames |
| compressor substantivo | /kəmˈpɹɛ.sə(ɹ)/ | compressor |
| revise verbo | /ɹɪˈvaɪz/ | revisar |
| sedan substantivo | /səˈdæn/ | liteira |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | are bestowed · have been produced · was bumped |
| Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisa | duration, which is · design which means · torque which was |
Pronúncia para ficar de olho
O falante usa 6 contrações e formas reduzidas, como wasn't, aren't, gonna. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: compression /kəmˈpɹɛʃ.ən/, camshaft /ˈkæmʃæft/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/, lubrication /ˌluː.bɹɪˈkeɪ.ʃən/, induction /ɪnˈdʌkʃən/
- Palavras longas — acerte a sílaba tônica: configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/, enthusiast /ɪnˈθuːziˌæst/, lubrication /ˌluː.bɹɪˈkeɪ.ʃən/, solidify /səˈlɪdɪˌfaɪ/, longevity /lɒnˈd͡ʒɛv.ɪ.ti/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: torque /tɔɹk/, displacement /dɪsˈpleɪsmɪnt/, variant /ˈvæɹi.ənt/, camshaft /ˈkæmʃæft/, sump /sʌmp/
- /l/ final — a língua toca o céu da boca, não vira “u”: scroll /skɹoʊl/, diesel /ˈdisəl/, nimble /ˈnɪmbəl/, propel /pɹəˈpɛl/, assemble /əˈsɛm.bəl/
- /h/ — um sopro suave, diferente do “r”: horsepower /ˈhɔɹsˌpaʊɚ/, overhead /ˈəʊvəˌhɛd/, hometown /ˈhoʊmˌtaʊn/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como litre, forge, horsepower.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.