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Radical Sportscars SR5 Owner'S Manual Download Page 11

SR5

2007

Radical

Owners

Manual.docx

–

issue

1

‐

22/11/07

‐

11

‐

Issued:

21/09/06

STEERING

RACK

SET

UP

PROCEDURE

To

make

sure

your

steering

rack

is

set

correctly

and

running

freely

we

have

set

out

a

simple

set

up

procedure.

1.

Loosen

the

top

16mm

Allen

screw

and

lock

nut

completely.

2.

Loosen

the

four

6mm

Allen

screws

around

the

steering

input

shaft

and

rotate

the

knurled

ring

anticlockwise

to

loosen

the

steering

rack

shaft.

3.

The

steering

rack

shaft

should

now

be

free

to

rotate

in

the

rack

housing.

Turn

the

knurled

ring

clockwise

while

rotating

the

rack

in

the

housing

back

and

forth

until

all

the

movement

has

gone,

with

the

rack

correctly

adjusted

you

should

be

able

to

feel

a

tiny

amount

of

rotational

movement,

tighten

the

four

6mm

Allen

screws.

4.

Tighten

the

top

16mm

Allen

screw

until

just

tight

and

back

off

one

Allen

key

flat,

tighten

the

lock

nut.

5.

The

rack

in

now

set

correctly

and

should

move

freely

from

side

to

side

with

no

tight

spots.

RIDE

HEIGHT

The

ride

height

may

need

increasing

when

carrying

a

passenger.

CORNER

WEIGHTS

For

maximum

performance,

the

Radical

should

have

the

corner

weights

accurately

set

with

the

driver

in

situ.

The

procedure

is

as

follows:

‐

1.

Position

the

car

on

a

flat,

horizontal

surface.

2.

Equalise

all

tyre

pressures

to

hot

setting,

say

28

psi.

3.

Take

all

readings

with

driver

in

car,

or

equivalent

weight

in

the

seat.

4.

Remove

bolt

from

one

end

of

the

front

and

rear

Nik

‐

Link,

and

adjust

shocks

to

full

soft.

5.

Set

ride

height

front

&

rear,

then

camber

front

&

rear

and

finally

toe

‐

in

front

&

rear.

6.

Put

car

on

weight

scales,

and

set

corner

weights

by

adjusting

spring

platforms

*

.

It

is

usually

difficult

to

achieve

identical

settings

on

each

corner

to

within

10%.

Ensure

that

the

sum

of

the

diagonal

weights

are

as

near

as

possible.

*

When

using

pre

‐

load,

adjustable

push

rods

are

used

to

set

ride

height

and

corner

weights

7.

Re

‐

check

ride

height

and

splitter

height

with

the

body

on.

8.

Lock

spring

platforms.

9.

Refit

Nik

‐

Links,

rear

anti

‐

roll

bars,

reset

shocks,

remove

driver

or

similar

weight,

and

reduce

tyre

pressures.

10.

You

are

now

ready

to

“rock

&

roll”.

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Summary of Contents for SR5

Page 1: ...SR5 Radical Sportscars SR5 Radical Owners Manual...

Page 2: ...ackday test day and racing miles This manual highlights many of the lessons and tips we have learned Do not start your car until you have read it Your Radical has been designed with one objective to g...

Page 3: ...L 8 DASHBOARD 9 REV INDICATOR 9 CENTRE LOCK HUB NUTS 9 AIR JACKS 9 GENERAL SETUP PROCEDURE FLAT PATCH 10 SUSPENSION GUIDE DRY SETUP 10 STEERING RACK SET UP PROCEDURE 11 RIDE HEIGHT 11 CORNER WEIGHTS 1...

Page 4: ...yellow light on the dash until the oil is warm When cold the oil can run at 100psi which may damage the oil cooler In the brake and clutch master cylinders use only high temperature racing brake flui...

Page 5: ...t because an amount of oil has drained back into the engine this returns to the tank when the engine is started 3 Crank engine to get oil pressure with ignition coils disconnected 4 Connect coils and...

Page 6: ...s important to log the number of hours the engine is run The engine should run for no more than 30 racing hours before being returned to the factory for a rebuild If the engine is stressed less i e tr...

Page 7: ...l or website www hewland com for changing gear ratios STANDARD SR5 GEAR RATIOS FOR CARS BUILT BEFORE 16 11 2007 Gear Part no Ratio 1 st CS 1608 12 35 2 917 2 nd FTR 15 33 HUB 2 200 3 rd FTR 17 31 STD...

Page 8: ...c pneumatic paddle actuated power shift system please refer to the manufacturers operating instructions BEDDING IN BRAKES The car comes fitted with carbon metallic brake pads To bed in the brakes and...

Page 9: ...revs to date last two digits not shown The maximum recorded revs display may be reset by the factory or by an approved Radical distributor CENTRE LOCK HUB NUTS Anodised RED for left hand side Anodise...

Page 10: ...TUP The car is set up at the factory but the final settings should be arrived at by testing for the particular driver s preference and the particular circuit Try to check the tyre temperatures for bal...

Page 11: ...ight spots RIDE HEIGHT The ride height may need increasing when carrying a passenger CORNER WEIGHTS For maximum performance the Radical should have the corner weights accurately set with the driver in...

Page 12: ...clutch and raises the engine speed before engaging the gear Smooth gear changes can be best achieved by using the heel and toe technique Only change down one gear at a time As with any dog engagement...

Page 13: ...SR5 DECAL DESIGN SHEET SR5 2007 Radical Owners Manual docx issue 1 22 11 07 13 Issued 21 09 06...

Page 14: ...SR5 2007 Radical Owners Manual docx issue 1 22 11 07 14 Issued 21 09 06 RACE TEST HISTORY Date Circuit Conditions Qual Posn Fastest Lap Time Result Time on Circuit...

Page 15: ...if the wing is used to push and particularly pull the car around in the pit lane garages and trucks It works perfectly to support the wing and the downforce generated in the direction intended and not...

Page 16: ...en damping rate is increased the car feels like it has got stronger springs 2 Increase step by step 5 clicks at the time the fine tuning by one click 3 Rain open 10 clicks from best dry setting LOW SP...

Page 17: ...sued 21 09 06 INTRAX DAMPERS SPRING CHART Part No Length mm Rate N mm Rate lbf in SP001 80 120 685 SP002 80 140 799 SP003 80 150 857 SP004 100 110 628 SP005 100 120 685 P006 100 130 742 SP007 100 140...

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