Creative Engineering ROCK-A-FIRE EXPLOSION - Page 7

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Roll

Pin:

A

spring

action

type

pin

that

expands

and

contracts

upon

entry.

Self

Locking

nut:

A

nut

with

a

plastic

insert

that

creates

friction

on

the

bolt,

thus,

locking

it

into

position.

They

are

typically

used

on

aircraft

bolts.

Shuttle

Cock: A Dual

Pressure

System Control

valve

that

allows

high

air

pressure

to

flow

and

stops

the

flow

of

the

low

pressure

air.

S.L.:

Stage

Left-on

your

left

as

you

face

the

audience,

on

your

right

as

you

face

the

stage.

Small

'C'

Hinge:

A

hinge

constructed

in

the

shape

of

a

'C'.

A

common

use

is

in

the

head-up-down

pivot

hinge.

Snaps:

Snaps

are

made

of

three

parts;

the

male,

the

female,

and

the

grommet.

The

male

snap

has

a

stud

and

a

post.

The

female

snap

has

a

socket

and

a

cap.

The

grommet

just

has

a

socket.

The

snaps

are

used

to

attach

various

materials

together.

Solenoid:

Electro

magnetic

actuator,

commonly

used

to

shift

air

valve

spools.

S.R.:

Stage

right-on

your

right

as

you

face

the

audience.

S.E.:

Stage

Effects

lighting.

Stainless

Steel

Washer:

A

stainless

steel

thrust

washer.

These

are

used

typically

in

hinge

assemblies.

Super

Pillow

Block

Bearing:

A

re-circulating

ball

beaiing

used

for

linear

motion;

typically

used

in

Sun,

Moon

and

Looney

Bird

raise

mechanisms.

Sync:

Synchronization

Tape

Control

Board:

Show

Control

Board,

a

microprocessor

controlled

real

time

P.

C.

card.

TD:

Top

Drawer

Tolerance:

Tolerance

is

the

amount

that

a

measurement

may

very

from

its

intended

value.

It

is

stated

on

the

Critical

Adjustment

Chart

with

a

(+)

or

(-)

dimension.

Tol-0-Matic

Cylinders:

A

brand

name

of

cable

cylinder

used

in

all

the

mechanical

props

except

Baby

Bear.

Valve

Bank:

A

group

of

air

valves

connected

together

to

form

a

unit.

VCR

Tape:

Video

Cassette

Recorder

Cartridge

Tape

VCR:

Video

Cassette

Recorder

VU

Meter:

The

meters

on

the

front

of

the

tape

decks

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