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Bellcrank
Flap
Bellcrank
Flap
Bellcrank
B-Bolt B-Bolt
Flap/Aileron
Push Rods
Flap/Aileron
Push Rods
Stabilizer
Fairing
Stabilizer
Attachment
VIEW FROM BELOW
Flux Valve
Fuel System
Pitot Probe
Figure 1: Access Panel Locations
AIRCRAFT
DA 40 Series
AMM
Fuselage
Doc # 6.02.01
Rev. 5 53-TITLE Page 1
20 Sep 2007
CHAPTER 53
FUSELAGE
AIRCRAFT
Fuselage
DA 40 Series
AMM
Page 2
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AIRCRAFT
DA 40 Series
AMM
Fuselage
Doc # 6.02.01
Rev. 5 53-CONTENTS Page 1
20 Sep 2007
TABLE OF CONTENTS
CHAPTER 53
FUSELAGE
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Section 53-10
Fuselage Structure
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Maintenance Practices
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
2. Repair Data for the Fuselage Shells . . . . . . . . . . . . . . . . . . . . . . . 201
AIRCRAFT
Fuselage
DA 40 Series
AMM
Page 2
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AIRCRAFT
DA 40 Series
AMM
Fuselage
Doc # 6.02.01
Rev. 5 53-00-00 Page 1
20 Sep 2007
CHAPTER 53
FUSELAGE
1. General
The DA 40 fuselage has a semi-monocoque structure. Two GFRP half-shells make the fuselage skin.
GFRP frames and webs give the fuselage strength and stiffness. The vertical stabilizer is an integral
part of the fuselage.
The fuselage shells have many layers of glass cloth. Some areas have more layers of glass cloth than
other areas. This gives more strength and stiffness where it is needed. Rigid foam inserts give stiffness
where necessary.
The frames and webs also have many layers of glass cloth. Some areas have layers of carbon fiber
cloth or tape to give extra strength. Some components also have rigid inserts of GFRP for attaching
brackets or other components.
Section 53-10 gives the data for the fuselage structure.
AIRCRAFT
Fuselage
DA 40 Series
AMM
Page 2
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AIRCRAFT
DA 40 Series
AMM
Fuselage
Doc # 6.02.01
Rev. 5 53-10-00 Page 1
20 Sep 2007
Section 53-10
Fuselage Structure
1. General
This Section gives you the data about the fuselage structure. It also includes the vertical stabilizer. See
Chapter 51-00 for data about repair to the structure.
All of the main structural components are GFRP rigid moldings. Many layers of glass cloth bond
together to make each molding. Some components have layers of carbon fiber cloth. This gives more
strength and stiffness.
Most components have rigid GFRP inserts. The inserts give strength and stiffness for attaching other
components such as brackets for controls.
Bonding paste (thickened resin) bonds components to other components. Most of the components in
the fuselage also bond to the fuselage shell.
AIRCRAFT
Fuselage
DA 40 Series
AMM
Page 2
20 Sep 2007 53-10-00 Doc # 6.02.01
Rev. 5
Firewall
Top Hat Profile
Left Shell
Right Shell
Floor Panel
Figure 1: Fuselage Shells and Front Fuselage Structure
AIRCRAFT
DA 40 Series
AMM
Fuselage
Doc # 6.02.01
Rev. 5 53-10-00 Page 3
20 Sep 2007
2. Description
Figures 1 to 4 show the fuselage structure.
A. Fuselage Shells
Two GFRP shells make the outer skin of the fuselage. The shells transmit structural loads. The
shells bond to each other at the top and bottom of the fuselage. Each shell has many layers of
glass cloth. Some areas have of the shell have more layers to give more strength and stiffness.
Some areas have rigid foam inserts to give more stiffness.
Thickened resin bonds all other structural components to the fuselage shells. Many small
components bond to the fuselage shells, these include:
) Air inlet and outlet ducts.
) Conduits for electrical wires, antenna cables and fuel pipes.
B. Firewall
The firewall closes the front of the fuselage. It also holds the attachments for the engine mount. It
has holes for the different systems that attach to the engine.
The firewall is a rigid GFRP molding. A special adhesive bonds a fire-resistant ceramic blanket to
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钻石40系列AMM 2(131)
