Anatomija Motora Automobila | Car Engine Anatomy – E-Book

🇷🇸 SRPSKI

Anatomija Motora Automobila – Kompletan Vodič

🚗 Vrste motora automobila i razlike među njima

1️⃣ Benzinski motor (Otto motor)

Najrašireniji tip motora. Koristi elektronu iskru (svećicu) za paljenje mešavine benzina i vazduha. Radi po Otto ciklusu sa 4 takta.

• ✅ Tiši rad, manje vibracije
• ✅ Bolje performanse na visokim obrtajima
• ❌ Veća potrošnja goriva od dizela
• ❌ Manji obrtni moment na niskim obrtajima
• Gorivo: Benzin (BMB 95, BMB 98, Super plus)
• Kompresija: 8–12:1
• Tipovi: Redni (I3, I4, I6), V (V6, V8, V12), Bokser (H4, H6)

2️⃣ Dizel motor (Diesel motor)

Koristi visoku kompresiju (bez svećice) za paljenje goriva. Gorivo se samo zapali kada se dovoljno komprimuje. Radi po Diesel ciklusu.

• ✅ Manja potrošnja goriva (20–30% štedljiviji od benzinca)
• ✅ Veliki obrtni moment na niskim obrtajima – idealan za vlačenje i teretna vozila
• ✅ Duži vek motora
• ❌ Bučniji i više vibracija
• ❌ Skuplje održavanje (injektori, DPF filter)
• Gorivo: Dizel D2, AdBlue (za Euro 6 motore)
• Kompresija: 14–25:1
• Sistem ubrizgavanja: Common Rail (pritisak do 2.000 bara)

3️⃣ Hibridni motor (Hybrid)

Kombinuje klasični motor sa unutrašnjim sagorevanjem i električni motor. Baterija se puni rekuperacijom energije pri kočenju.

• ✅ Manja potrošnja u gradu (električni motor preuzima pri malim brzinama)
• ✅ Manje emisije CO₂
• ❌ Skuplja kupovina
• ❌ Teža baterija povećava masu vozila
• Vrste: Blagi hibrid (MHEV), Puni hibrid (HEV), Plug-in hibrid (PHEV)
• Gorivo: Benzin ili dizel + električna energija

4️⃣ Električni motor (BEV – Battery Electric Vehicle)

Nema motora sa unutrašnjim sagorevanjem. Pokreće se isključivo električnom energijom iz baterije.

• ✅ Nulta direktna emisija
• ✅ Trenutni obrtni moment – izuzetna ubrzanja
• ✅ Niži troškovi održavanja (nema ulja, filtera, remena)
• ❌ Ograničen domet
• ❌ Dugo punjenje baterije
• Gorivo: Električna energija (kWh)
• Primeri: Tesla Model 3, VW ID.4, BMW iX

5️⃣ Bokser motor (Horizontalno suprotni – Flat/Boxer)

Cilindri su postavljeni horizontalno, nasuprotno jedan drugom. Karakterističan za Subaru i Porsche.

• ✅ Niže težište vozila = bolja stabilnost
• ✅ Prirodno uravnotežen – manje vibracija
• ❌ Komplikovaniji pristup za servis
• ❌ Širi motor zauzima više prostora
• Primeri: Subaru Impreza, Porsche 911

6️⃣ Rotacioni motor (Wankel motor)

Umesto klipova koristi trouglasti rotor koji se vrti unutar kućišta. Izuzetno kompaktan i gladak rad.

• ✅ Visoki broj obrtaja, kompaktan, lagan
• ✅ Nema klipova – manje pokretnih delova
• ❌ Velika potrošnja goriva i ulja
• ❌ Problemi sa brtvljenjem rotora
• Primeri: Mazda RX-7, RX-8

7️⃣ Motor na prirodni gas (CNG/LPG)

Radi na komprimovani prirodni gas (CNG) ili tečni naftni gas (LPG). Često kao bifuel sistem uz benzin.

• ✅ Jeftiniji kilometar vožnje
• ✅ Manje emisije CO₂ od benzinca
• ❌ Manji domet, teže boce zauzimaju prostor
• Gorivo: CNG (metan) ili LPG (propan-butan)

⛽ Vrste goriva i njihove karakteristike

• Benzin BMB 95 – Standardni benzin, oktanski broj 95. Pogodan za većinu benzinskih motora.
• Benzin BMB 98 / Super Plus – Viši oktanski broj, bolje za sportske i turbomotore. Manja sklonost detonaciji.
• Dizel D2 – Standardno dizel gorivo. Cetanski broj min. 51. Sagoreva pri kompresiji bez iskre.
• AdBlue – Nije gorivo, već aditiv koji se ubrizgava u izduvni sistem Euro 6 dizel motora radi smanjenja NOx emisija.
• LPG (Auto-gas) – Tečni naftni gas, propan-butan mešavina. Jeftiniji od benzina, ali manji energetski sadržaj.
• CNG (Prirodni gas) – Komprimovani metan. Najniže emisije CO₂ od svih fosilnih goriva.
• E10 / E85 (Etanol) – Mešavina benzina i etanola. E10 = 10% etanola, E85 = 85% etanola. Obnovljivo gorivo.
• Vodonik (H₂) – Gorivo budućnosti. Sagoreva u motoru ili se koristi u gorivinskim ćelijama za proizvodnju struje. Nulta emisija – jedini produkt je voda.
• Električna energija (kWh) – Za električne i plug-in hibridne motore. Puni se iz kućne mreže ili brzih punača (DC fast charging).

📊 Poređenje vrsta motora

• Najveća snaga: V8/V12 benzinac, električni motor
• Najveći obrtni moment: Dizel, električni motor
• Najmanji troškovi goriva: Električni, CNG, hibrid
• Najmanji troškovi održavanja: Električni motor
• Najduži domet: Dizel motor
• Najmanji ugljenični otisak: Električni (na obnovljivoj energiji), vodonik

📥 Format: PDF e-book sa ilustracijama i dijagramima | Odmah dostupan nakon kupovine.

🇬🇧 ENGLISH

Car Engine Anatomy – Complete Guide

🚗 Types of Car Engines and Differences Between Them

1️⃣ Petrol Engine (Otto Engine)

The most common engine type. Uses an electric spark (spark plug) to ignite the petrol-air mixture. Operates on the Otto cycle with 4 strokes.

• ✅ Quieter operation, less vibration
• ✅ Better performance at high RPM
• ❌ Higher fuel consumption than diesel
• ❌ Less torque at low RPM
• Fuel: Petrol (95 RON, 98 RON, Super Plus)
• Compression ratio: 8–12:1
• Types: Inline (I3, I4, I6), V (V6, V8, V12), Boxer (H4, H6)

2️⃣ Diesel Engine

Uses high compression (no spark plug) to ignite fuel. The fuel self-ignites when sufficiently compressed. Operates on the Diesel cycle.

• ✅ Lower fuel consumption (20–30% more economical than petrol)
• ✅ High torque at low RPM – ideal for towing and commercial vehicles
• ✅ Longer engine lifespan
• ❌ Noisier with more vibration
• ❌ More expensive maintenance (injectors, DPF filter)
• Fuel: Diesel D2, AdBlue (for Euro 6 engines)
• Compression ratio: 14–25:1
• Injection system: Common Rail (pressure up to 2,000 bar)

3️⃣ Hybrid Engine

Combines a conventional internal combustion engine with an electric motor. The battery is charged through regenerative braking.

• ✅ Lower fuel consumption in city driving (electric motor takes over at low speeds)
• ✅ Lower CO₂ emissions
• ❌ Higher purchase price
• ❌ Heavy battery increases vehicle weight
• Types: Mild Hybrid (MHEV), Full Hybrid (HEV), Plug-in Hybrid (PHEV)
• Fuel: Petrol or diesel + electrical energy

4️⃣ Electric Motor (BEV – Battery Electric Vehicle)

No internal combustion engine. Powered exclusively by electrical energy from a battery.

• ✅ Zero direct emissions
• ✅ Instant torque – exceptional acceleration
• ✅ Lower maintenance costs (no oil, filters, belts)
• ❌ Limited range
• ❌ Long battery charging time
• Fuel: Electrical energy (kWh)
• Examples: Tesla Model 3, VW ID.4, BMW iX

5️⃣ Boxer Engine (Horizontally Opposed – Flat Engine)

Cylinders are positioned horizontally, opposing each other. Characteristic of Subaru and Porsche.

• ✅ Lower centre of gravity = better stability
• ✅ Naturally balanced – less vibration
• ❌ More complex to service
• ❌ Wider engine takes up more space
• Examples: Subaru Impreza, Porsche 911

6️⃣ Rotary Engine (Wankel Engine)

Instead of pistons, uses a triangular rotor spinning inside a housing. Extremely compact and smooth operation.

• ✅ High RPM capability, compact, lightweight
• ✅ No pistons – fewer moving parts
• ❌ High fuel and oil consumption
• ❌ Rotor sealing problems
• Examples: Mazda RX-7, RX-8

7️⃣ Natural Gas Engine (CNG/LPG)

Runs on compressed natural gas (CNG) or liquefied petroleum gas (LPG). Often as a bi-fuel system alongside petrol.

• ✅ Cheaper cost per kilometre
• ✅ Lower CO₂ emissions than petrol
• ❌ Shorter range, heavy tanks take up space
• Fuel: CNG (methane) or LPG (propane-butane)

⛽ Fuel Types and Their Characteristics

• Petrol 95 RON – Standard petrol, octane number 95. Suitable for most petrol engines.
• Petrol 98 RON / Super Plus – Higher octane number, better for sports and turbocharged engines. Less prone to knocking.
• Diesel D2 – Standard diesel fuel. Cetane number min. 51. Ignites under compression without a spark.
• AdBlue – Not a fuel, but an additive injected into the exhaust system of Euro 6 diesel engines to reduce NOx emissions.
• LPG (Autogas) – Liquefied petroleum gas, propane-butane mixture. Cheaper than petrol but lower energy content.
• CNG (Natural Gas) – Compressed methane. Lowest CO₂ emissions of all fossil fuels.
• E10 / E85 (Ethanol) – Petrol-ethanol blend. E10 = 10% ethanol, E85 = 85% ethanol. Renewable fuel.
• Hydrogen (H₂) – Fuel of the future. Burns in an engine or used in fuel cells to generate electricity. Zero emissions – the only by-product is water.
• Electrical Energy (kWh) – For electric and plug-in hybrid vehicles. Charged from home grid or fast chargers (DC fast charging).

📊 Engine Type Comparison

• Highest power output: V8/V12 petrol, electric motor
• Highest torque: Diesel, electric motor
• Lowest fuel costs: Electric, CNG, hybrid
• Lowest maintenance costs: Electric motor
• Longest range: Diesel engine
• Smallest carbon footprint: Electric (on renewable energy), hydrogen

📥 Format: PDF e-book with illustrations and diagrams | Instantly available after purchase.