MIT Guide to Lock Picking by Ted the Tool - HTML preview

Chapter

5

The

Pin

Column

Mo

del

The

atland

mo

del

of

lo

c

ks

can

explain

eects

that

inv

olv

e

more

than

one

pin,

but

a

dieren

t

mo del

is

needed

to

explain

the

detailed

b ehavior

of

a

single

pin.

See

Figure

5.1.

The

pin-column

mo

del

highlights

the

relationship

b

et

w

een

the

torque

applied

and

the

amount

of

force

needed

to

lift

eac

h

pin.

It

is

essential

that

you

understand

this

relationship.

In

order

to

understand

the

"feel"

of

lo

c

k

pic

king

y

ou

need

to

kno

w

ho

w

the

mov

emen

t

of

a

pin

is

eect

by

the

torque

applied

by

your

torque

wrenc

h

(tensioner)

and

the

pressure

applied

by

y

our

pick.

A

go

o d

wa

y

to

represent

this

understanding

is

a

graph

that

shows

the

minimum

pressure

needed

to

mov

e

a

pin

as

a

function

of

ho

w

far

the

pin

has

b een

displaced

from

its

initial

p osition.

The

remainder

of

this