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Assignment No. 1: Name: Instructor: Date: 14 March 2019 Page - 1 - of - XX - Issue No.: 1 Grade

This document discusses different methods for starting aircraft engines: 1. Electric starters use an electric motor to rotate the engine and initiate operation under its own power. 2. Cartridge starters use an explosive cartridge to force the piston forward and start gasoline engines. 3. AVPIN starters use a highly volatile liquid fuel called Iso Propyl Nitrate to fuel the starter motor for the Avon engine, producing hydrocyanic acid gas during combustion.

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Lyka Baldovino
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48 views2 pages

Assignment No. 1: Name: Instructor: Date: 14 March 2019 Page - 1 - of - XX - Issue No.: 1 Grade

This document discusses different methods for starting aircraft engines: 1. Electric starters use an electric motor to rotate the engine and initiate operation under its own power. 2. Cartridge starters use an explosive cartridge to force the piston forward and start gasoline engines. 3. AVPIN starters use a highly volatile liquid fuel called Iso Propyl Nitrate to fuel the starter motor for the Avon engine, producing hydrocyanic acid gas during combustion.

Uploaded by

Lyka Baldovino
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Assignment No.

1: Name:
Aircraft Engine Starting Alim, Angelica Marie C.

Instructor: Date: 14 March 2019 Page _1_ of _XX_


Engr. Jaldrin D. Pacaña Issue No.: 1 Grade:

1. Electric Starter - a starter (also self-starter,


cranking motor, or starter motor) is a device
used to rotate (crank) an internal-combustion
engine so as to initiate the engine's operation
under its own power. Starters can be electric,
pneumatic, or hydraulic. In the case of very
large engines, the starter can even be another
internal-combustion engine.

2. Cartridge Starter - a starter for gasoline


engines that consists of a cartridge containing
an explosive which on being electrically
detonated forces the piston forward and starts
the engine.

3. AVPIN Starter - the liquid used to fuel the


starter motor for the Avon engine in those
aircraft. Also known as Iso Propyl Nitrate (IPN)
it is a monofuel that will burn without oxygen,
and is highly volatile. When combustion takes
place it produces Hydrocyanic Acid gas.

4. Air-start - with air-start systems gas turbine


engine compressor spools are rotated by the
action of a large volume of compressed air
acting directly on the compressor blades or
driving the engine through a small, geared
turbine motor. These motors can weigh up to
75% less than an equivalent electrical system.
Assignment No. 1: Name:
Aircraft Engine Starting Alim, Angelica Marie C.

Instructor: Date: 14 March 2019 Page _2_ of _XX_


Engr. Jaldrin D. Pacaña Issue No.: 1 Grade:

5. Gas Turbine - a gas turbine is a combustion


engine that can convert natural gas or other
liquid fuels to mechanical energy. This energy
then drives a generator that produces electrical
energy. It is electrical energy that moves along
power lines to homes and businesses.

6. Hydraulic Ignition - small gas turbine engines,


particularly turboshaft engines used in
helicopters and cruise missile turbojets can be
started by a geared hydraulic motor using oil
pressure from a ground supply.

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