Air engine

The component parts of an oscillating air engine are detailed in Fig. 18.5. Draw in first angle projection and, at twice full size, the following views;

(a) A front view taken as a section through the engine cylinder and flywheel.

(b) A plan view in projection with the front view and drawn below the front view.

(c) An end view on the right hand side and in projection with the front view.

Hidden detail is not required in any view. Add a parts list to your drawing and reference balloons to identify each of the components in the assembly.

0 124

0 124

Engineering Drawing Detail Components
prill 4 holes 0 15 equally spaced off centres on 120 P.C.P.

Valve body

Holes Equally Spaced DrawingsSectioning Drawing Engineering Flywheel
Fig. 18.4 (continued)

LO cj

4 holes 0 35 C'sk as shown

37.5

15h-

w iilii

>45° 45<1

Tongue to be brazed into slot on item 1

12.0

20.0

80.0

Sweat cylinder item 7 into hollow

.0

4

$ 16

1 1

*—t

—r

T '

$ 1

6.00 Ream

Swg Creatures List

40.0

Connecting pipes 2 off 20 swg sweat in ports

4 Holes M3 clear

20 PCD

24.0

20 PCD

4 Holes M3 clear

30.0

Light steel compression spring id 5.0

Med. knurl

M5 x 0.8

"I

h

40—».

25.0

t

45.0

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