Performance Flashcards

1
Q

SUPERCHARGER - Motorla bağlntılı şekilde çalışıyor. Radyal compressor.
An intercooler is sometimes fitted between supercharger and inlet manifold to minimise risk of detonation

A
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2
Q

TURBOCHARGER

Main purpose of turbocharger is to maintain power with increasing altitude

A turbocharger consists of a compressor and turbine mounted on the common shaft .

A

Turbochargerın mekanik bağlantısı yok, superchargerin var.
Turbocharger motor kapandıktan sonra da ses vermeye devam eder.

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3
Q

turbocharger to make power available less affected by altitude

Can be monitored by manifold pressure gauge only

Driven by exhaust system

Power output is regulated by fuel only

Same swept volume and no turbo charger, diesel engines compared to petrol engines
produce LESS maximum power output

A

Manifold dediği bir boru hattı, ya içeri hava giriyo ya da içerden çıkıyor.
Bizim basıncı ölçtüğümüz yer motorun inleti (intercoolerdan sonra, turbodan sonra)

Mantık olarak da turbo çalışıyor mu diye, motora giren manifoldun basıncını ölçmek gerekir.

Dizel motorlar turbosuz yapamaz… güç çok düşer

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4
Q

Total Volume = Clearance + Swept

A
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5
Q

Dizel motorda

Karburator yok*
Throttle valve yok
Magneto yok
Higher compression ratio
Verimlilik yüksek, parlayıcılık düşük.

A

Enjeksiyon var

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6
Q

Manifold Absolute Pressure

Manifold basıncı dış atmosfer basıncından daha düşük (suction)

Normally aspirated* engine, the manifold pressure gauge is a lower value than atmospheric pressure when the engine is running… eğer turboluysa tam tersi

A
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7
Q

Prop Types

Fixed pitch propellers
Variable pitch (constant speed) propellers

A
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8
Q

Fixed pitch propellers

Relative airflow is governed by the true airspeed of the a/c and propeller rpm*

When increasing TAS with a constant rpm, the angle of attack of a fixed pitch propeller REDUCES

A

Climbing - constant TAS -> RPM+ AOA+
Descend - constant RPM -> TAS+ AOA-

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9
Q

VARIABLE PITCH (CONSTANT SPEED) PROPELLER

Pervane konu sayesinde bıçak açısını değiştirebiliyoruz.

The blade angle of a constant speed controller: increasing with +TAS

A

** kalkışta pervane kolu ilerde.
Her zaman için rpminiz manifold basıncından yüksek olacaktır. RPM > Manifold Peressure

Aşağıdakilerden hangisinde detonation olabilir

Manifold pressure > rpm - :(

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10
Q

If the manifold pressure is increased, the blade angle of a constant speed propeller is increase

A

Manifold pressure arttığında güç artıyor ve bu enerjiyi kırman için bıçak açısını artırman lazım.

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11
Q

Tork effect sola ROLL yaptırır diğer, diğer tüm effectler YAW yaptırır.

A
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