The Morning Tulsa daily world. [volume] (Tulsa, Okla.) 1919-1927, 1921-02-06
LAFAYETTE HAS
UNIQUE CHASSIS
New Car Is a Departure
From Build Of Cars
Generally in Use
IS CAREFULLY BUILT


Because .uc Lafayette was the
nrw motor car 60 bo designed from
radiator tu rear axle following tho
war. oubpdyiup practices developed
during ~, war. aud bcclugo % was
dCsIgucd Dos -. Mccall white. whose
engineering genius is information
ullF recognized. iutorcai iu The car
is conferred In tho mechanical con-
atru,'iou
Tho ouiirc chntie woirhp only
".bT5 pounds although ICE apparent
strength gives tho impr"Faion ~
pr,ltrr weight. Tho 90 -nursoppwcr.
eight cylinder engine is not radical
hoo design. Tho cylinder blocks are
set at an augle of ninety degrees.
which hns proved most reliable nud
advantageous for eight cylinder
construction. Engineering skill is
to bo found tn the wholcahlc simpli-
iICnt'ou ana reduction ~ weight
without lua4 Of strength or r"liahil-
itv. i'or example tho hollow crank
SHAFT. Weighing only 3OB pounds,
inherently has less whip" than tho
conventional heavier type, and is
hold IN five main bearings instead
ut the orthodox three, thereby dis
trlbutiug the wear over u much
~ FNA'l l'fl lllk Fhl Al' y Nll'i AiN.N IN
Ing the life uf the engine
Like the crnukHhHf tho cams
shaft is followed drop forging
with sixteen integral cams. and rive
cast Iron bearings, to ensure align
meut, rigiditY ana pt"c .sC valve Uc-
ton. Tho idea ~ extra large hear
inE surfaces ana low bearing pres
sure is carried throughout the chas,
sla in the Interest ~ longer lie.
ffN.. .
the Lafayette factory IL said 10 rc-
srmblc that used to produce Libcr-
Is engines. Tho connecting rods,
Tor example, arc mHthincd all over
and carefully balanced. In fact tho
balance IL carried even iu the two
aud unc-half ounce wrist pins.
which are individually tested ON a
balancing scale. Not only ar" the
pdstous machiucd to the cloHrsts
possible limits but after that they
ARE selected for each engine.
The cooling system IL unique In
several important respects A single
pump Of dual action type, patented
hy LaFaNctte. forces water to the
center of both cylinder blocks by
means OF two inlcts and two out
the necessity for driving gears.
The Lafayette cellular radiator,
supported on tho frame with a stiff
enlng base Of solid aluminium. Is
fitted with vertical shutters. witch,
without attention from the operator
control the air circulation under tho
hood and maintain the engine az
tho temperature required for the
most efficient and economical opcr-
alton, These shutters not only con-
troll the engine temperature but are
n substantial protection to the radi-
ntor and are distinctive In appear
ance.
Tho power Of the engine Is car
ried 20 the rear wheels through n
transmission system remarkable for
It's reduction Of friction. The unit
power plant * set In the frame NJ
such an angle that the powor "
transmitted In ~ straight line to the
rear axle, and but one universal
Joint Is needed. Tho universal Joint.
with its hardened steel bearings. Ia
enclosed In an oll-tight casing ON
the rear Of the transmission with
automatic fabrication. A lnrge tub
uiar propeller shaft, completely en-
closed i'm n tOrque tube, continues
tho power To The rear axle, while the
rigid torduc tube transmits the trac-
tive effort of tho rear wheels TO
tho chassis
Another exclusive Lafayette de-
vice Is the brake equallzing differ
cntial mounted on the rear ~ the
transmission Cnsc. II operates on
tho same principal as the rear axle
diffsrential and being enclosed aud
luhricate ensures poattivcucss and
equality Of brake operation on both
rear wheels ana In both sets OF
brakes. Tho result IL the practical
elimination OF side skiddlng.
liy the use of an aluminium alloy
hiftercntial carrier and furgings in
stead of mallcablc iron castings, the
laFayCtto rear axle Ia unusually
light and strong,
puc to the front axle design, the
spring suspension and the Curvlng
of the frame the center ~ gravity
g. nearly n foot closor TO the ground.
vet ample clearance has been pro-
Vided Tho lowering of the load I'm
this manner produc"s greater safety
I'm driving, particularly in turning
corners.