6.3 Flashcards

1
Q

What are the main construction units in wooden aircraft

A

Spars (forward and Aft)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What wires resist forces to not allow the wing bending?

A

Drag and anti drag wires
Drag for flight
Anti for landing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the opposite of inboard and ledge?

A

Outboard

Trail edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What grain ratio is most woods (deviation of the grain)

A

1 : 15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What saw method do we use in the aircraft industry?

A

Quartersawn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a lengthwise separation of wood caused by disruption of wood fibres?
And what causes it?

A

Splits
Poor drying processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a crack in the wood that runs across the annual rings?

A

Checks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a crack or separation of the board when two annual rings separate the boundary?

A

Shakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If a piece of wood has a split, check or shake what can’t it be used for?

A

Aircraft construction or repair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is one of the most common types of glue used for wooden aircraft structures?

A

Resorcinol Glue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What 2 part synthetic resin glue penetrate evenly into structures?

A

Epoxy Resin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the most common type of box spars

A

Box, I, C, Plain Rectangular and routed box spars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In a scarf repair what is the angle/taper ratio for cutting?

A

1:10 to 1:12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Splayed patch repair uses a section (cone) taken out at what ratio?

A

5:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What condition do you want fabric on aircraft in?

A

Torte (stretched)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the selvage on fabric
And what do you need to do to it

A

Tight edge on fabric to stop it unraveling
Cut it off before fabric is used

17
Q

What is the warp of the fabric?

A

The length as it comes off the roll

18
Q

All components that are covered have to be regularly inspected what are some examples?

A

Mice, rats, insects and nests
Broken or missing rib stringing
Fabric tears and stone damage