
stroke of
85.7nm.
x64-8nm.
givins
a cä-
pacity
of 2,993 cc,it
has
four valves
per
cvlinder ard has ex.ellent
'breathihs'.
Th€
ensin€
si,es
out about
420 h.h.p. at
9,000 r.p.n.
which is a r€harkabl€ figu.e
for a V8. Lucas lu€l injectioh
is used
alons
with rhe Lucas
oPUS
is.irion
systeh,
and Autolite sDarkins
pluss.
EMBLEM
C.CHAPMAN
* About
the
LOTUS
49 FORD
A.
th€ end rhe
1961-1965 crand
prix
ForDUla.
Te,n Lodus was leh wirlonr
an eryine
to
pow€.
its
Grand Prix Cars.
because of
ahe retir€n€nt IroD the
ra-
cins scene oI
tle Coventry Clinq con-
cern. Coli. Chepban,
howev.r, made ar
asmenent
with Ford,
w[€reb, Ford
süpplied Coswo
I
with
{100,000 to
büild a Grand
Prix Ensine lor the
ex-
clnsiv€
use of Tean Loüaus
for oDe
year.
The e.sitr€,.he
Coswo h
D.F.V.V8EaS
design€d
a built in 13 Donths
and at
tbe 1967 Dülch Gränd Prir it mäd. itc
sinnins
debut in
ColiD C[apoan's lat€st
..eation
th€ Lotß
49.
Th€ Lotus
49 has an äluniniuh
noro-
coqu€
chassis
wiich is clos€d at lhe
top
fornirg
a'cigar'shlpe,
lnlike
nost
no.-
ocoqüs€s
Fhic[ ar€'batl tubs' sith
the
top op€r. Inside
th€
'qonocoque
is .ar-
ried
about 40
ß.llons
of Iu.l. The non-
ocoque
itself which ,eisls
onl, 75 lbs.
str€tches
fron
the
lront
suspension
mou.tins
poi.ts
to ther€ar of the cock-
pit
where
the ensine
is bolted straisht
to th€ r€ar
bulkh€ad: this sav€s rhe
*ei8[t
of a slbasseobly
on which ro
mount.4ine.
This
proc€ss
fias only
been
possible
in rec€nt tiEes when
etr-
sines
iave nüch
becore snooth€r, up
till
five
y€ars
äso all
€ngih€s had to be
noünted
on rubbe. büsh€s
b€cause of the
The
lront susp€hsion
on the Lorus,
whi.i is
lairly conv€ntional
by Grand
Prir
sta ards
is by upper and
lower
wishbones
wialt
coilspring/darper
u.its
Domted
inside the body,
out oI th€ ai.-
strear.
The
rear süsp€rsion ishungor-
to tle engine-selrbox
unit and cohsists
of an
upDer link, low€. wishbone,twin
ra-
dius
arns ed a
coil spriDs/daoper
n.it;
the
relr susp€nsion
units are int€rco.-
nect€d
by an antil-roll
bar. Cast nas-
tesiüm uprishts
are used a1l round,
at
Iirst th€se
supporred
12 in, venrilaaed
disc
brak.s
but as rhese w€re w.rc h.-
cooins
too
cool
(yes,
cool)
and t€ndins
to
srab,
non-v€ntilat€d
discs hav.
been
substitüted
as a tenporary
neäsüre.
Four spoke.ast
nasn€siun
15 in,sh€els
are
used all round
shod ,ith F;restone
The Cosworth
D.F.V
ensine is a fair-
ly
conY€ntional
V,8 with a bor" and
The Circuits where the Lotus Won:
The driv€.'s chaepionslip is decided otr
the basis of rarks
sained
throush 1l
grand
prii
races held at various.ircuits
durins a whole
year.
Sir
r
For th€
1967
season
the car sas
painted
the faniliar Lotus
Gree. and
Yellou
colours, however
this season it
is painted
in
the red, whit€ andßold
col-
ours
of th€ ne{lrrorned
GoldkaJ-Tean
l-otus
team. Tiroushout
th€ 1967 season
various changes
sere nade
to tle car,
such as th€
chansing ol tlF brakes,
rhe
placins
of
all tle €le.trics
und.r an alü-
ninün
shield between th€ vee of
tle en-
sine
and the
Bost obvious chanse,
thatto
the si.dsqeen.
Th€ original windsoeen
consisted
of a
snall
screen not
unlike
tlat oI
t}'e Eagles, ent€ndins
to halfsay
alons th€ cockpit with
an
'intake'
at
the
froh(
to tünhel air
orer the co.leit witlr
an'intake'at
the fro.t to tu..el air
over
t[e dri,er's h€ad,
this sc.een was used
ohly lor the car's lirst two .aces.
On
th€ lat.r
tyDe scree. as dra,!.
ho*ever.
the
p€rpex
entends to the r€ar of
the
cockpit,
and is incidentally.tintedyellow.
The recins
career oI the Lotus 49
is
t@ vell
kno*n to
so
i.to any
great
de-
tail aboüti
the hishspots lre
the victo-
ries
in the Dutch,
British, Anerican,
M€xican
and Spanish Grand Prixs
in 19-
67 a its
succ€ss in the South African
Grand Prix
ahd th€ Tasnar series this
year.
The lat.
Jin
Clarl
[ad
a
truly
sr€at
drive in the Italian
Gra.d Prir
läst
year.
After a
pit
stop to chanse
a
tyre, which
lost hin a ]ap, he drove lik€
. ban possess.d
to retake
the leäd wh€n
team Dat€
Graham Hill reti.ed,
o.ly to
lose
it tnrolsh
iack of fuel on th€ final
lap.
Clar} finish€d 3rd
itr th€ World
Clanpio.s[ip
and Hill 7th.
The Lorus
49T ii which Jin
Clark
,on
his third
Tasnai claopionshiprhis
yeü
is outwa.dly the san€ as
thenorhal
49,ils
Cosflorth €.sine,
ho,ever, was
redüc€d to
2+ litr€s to comply with rle
r€Bllations
o{
,he Tasmah series.
JIM CLARK GRAHAM HN I
The *ord'Lorus' means
a water
planr
Ilow€r i€pres€nted ir
an cient Esyptian
abd
Hindu arts. lt is not cl.ar,
howeyer,
rhy Collin
Chaphan. the orisi.alor o{
tlis car. selected this
flo{er for his
emblen. Si.ce th€ car is
sofahous.ow-
adays, nost
people
int€r€sted
in the rac-
iDs car,
just
dont
borh€r abour rhat
kind
of
a flower it is, but
ibhediately thirk
of that
energetic ard D€chanical
rachine
its.lf a.d a leur.l,
tle syrbol of !
üc-
tory. Tle four chäract€rs, c,
Ai B, c,
sinply repr s€nt iis
full mn€ iniii
s:
Collh Ahtony
Bruce Chapnai.
Af-
*watkinsgren.(U.S.) i
3. ikm
circle.
The circuit at Watkinssgl€n,Ner York,
has a sibple,
genoine
Are can-like
cours€ ofa. €xtr€D€ly
sDall scale. In
this course, Jin Clark
showed Iis ove.'
{helnine str€neth and woh
three here
in 1962,1966 ard
1967.
(He
ns€d a
n€w-
tyPt Lotus). The maxinm lap time:
I
nin
6
s€c
0, 201.90kh/[.
*Silverstone,
(
Britaio) : 4.7l5km.kcle.
Her€ the British Gp race had been h€ld
one after th€
other
for seven suc.eeding
years
alter
ih.
*ar.
The 4-71Skn
circl.
cotrrse is flat
and
in a relativ€ly sinple
shap€. Each
part
of th€ circüit has its
own näm€ lik€ Chapel Curve', lunser
Shaisht'
and
Crab Cor.er'.
The baximun lap tiDe:
lDin 27sec 0,
191.918
kn/h.
lar.
T-h.i(u,!s
ar€ ro
Dloc€§ii
the
IIS- Can
GRAHAM HILL
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