PS Magazine - NOVEMBER 1952
PS, The Preventative Maintenance Monthly
NUMBER 10
NOVEMBER 1952
L
ots of peoplE ar± 1EETing hEavy
FooR-sHI²t t³aNsmIssIoNs ²o³ tHE
´µsT TImE I¶ ·hE cab o¸ a milITaRY
truck PRogR±ss Is wo¶dE¹ºuL,
BUT
sinCE »¼E SyNchro½MEsH t³aNsmis¾
sIoN wITh stEE¹INg¿ÀoLumn sÁIºTÂ
ÃEVE¹Ä a¶d Åh± NEÆ AUtomaÇÈÀ t³aNsÉ
ÊissIoNs HavE BeÀomE staNDaËD ²or
pl±asu¹E cA¹sÌ ÊaNy o² Us HaÍE hAd
¶o CÁa¶ÀE to L±a³N tHE LIttLE tRÎcKs
.EqUIr±d To shi¸t a bIg T³ÏNsm IsÐ
sion QUIEtÑy aNÒ ±ÓEctIvELyÔ
ÕhE olD ÖUzzards wIlL Now t×KE
ØvEÙ wHilE tHE ¹EsÅ o² Us TalK aÚu·
whA· ÊaKEs a "ÛEUcE a¶d a Hal²Ü
Ý
gËowL at you whEn you shI¸T hEr
gEaËsÞ
ßo BE sUr± wE AJ L u¶dEËst×àd
wÁat a tËaNsmission doEs ²or a
TruÀK lET's jást ¸o¹ ExaÊâl± taKE A
ãooä AT ·h± å±ËÊIssIBlE æoAd
Sâ±±ds plaT± IN a Gçè*
2-1/±
.±
toN
ºor a ÊINUtEé WE sEE tÁat wItê a
mAxImUë Engi¶E-spE±D o²
²700³
rpmì wE aËE aLlow±D 45ímph IN
ov±¹dËiî± BUt oNly 6ímph iN
ft
•Nothing I± tH²G ar³clO apP,´es µn Any
w¶Y T· t¸E
GMC
¹ydrºm»t²C
M 135
Td.
OBVIoUslyï ThE gEa¹s ar± so madE
TÁat a ðxeñ E¶gINEísâEed wIÑL gIVE
us a dIòó¹±Nô ËoaDõsâEEñ in ±aÀÁ
öEaR÷øÁ± otê±³ siñE o² ·hIs ÀoIN Is
ÅhaT a ùxEñ roADúsâ±±D
Îll ³ûUI¹E
DI¸üEýE¶t EngiNEþsâ±EDs fo¹ EaÀh
gEARÿ
SIÊâl±
Ý
Ās¶āT it? Öát RIght ThE¹E
Is Åh± sEc³Et oĂ goă g±arĄsHiftIngą
With a fIxed
roAD-spEEd, eAch
gEaR CalLS foR A diFErEnT eNG±²e³
´Peed.
Ʊtćs EXplo¹E thE INsID± o²
a traNsmission AnD
s±± wHyą
ĈN tH± dzaNsÊIssIoNï w± ĉnD A
NumB±³ o² gEarsĊ EAÀh witH a DI{ ċ
,
¸E¹E¶t ¶UmČ¹ of t±Ethč ˱îoLVINg
oN sh×ĎTsď Õh± g±arshI²T lEvEr sĐdEs
ºIrst oNE sET o² gEARs Anñ thEN
AnotHE¹ I¶·o ëEsHđ ĒhEN wE haVE
sEt ÇÁ± sâ±±Ds o² tê±sE gEars
s
That tÁE samE ¶UmēE¹ o¸ ·EEtH âER
seCĔ¶ñ A¹E pAĕĖiNg a gIî±N âoINt
ė
ÅÁEy
wIll slIp Tog±thE³ ¶icE
A¶d
±asyĘ
Butµ
ę¸ wE HaVE ÑoTs o² ·E±tÁ
on onE g±a¹ TËyINg To go ByĚ wHIlE
oNěy a ²±w go by oN THE oThE¹Ĝ wE
gEt a ³oar of ago¶y fRom tH± ĝËaNsõ
•
miĕĕioN÷ĞHğD by a ËoaË o¸ agony
²Ëom thE Ġoto³ SEġEa¶T wHo Has
To ùNd a ³EpLAÀEmEnĢ So w± Us±
oUr Th¹ottLE aNd oUË ÀLUtÀh to sy¶ģ
cÁËoNIZE tH± TĤTĥ o¶ ThE g±aËs Ħ ħ
²oËE ĝh±y mEsHÞ On ou¹ pl±asu˱
Ĩa³s tHE
Sy¶cHËo ĩ ĪEsh ThINKs ²o¹
Usī bĬt T¹UcK tĭ×NsmIssions ñEpENd
on ĝh± DrIͱr using his NoggINą
ƱĮ s
¹Un
tHËoUgÁ TH±
gEaįs
oncE:
STaR·iNg ouTĚ wE accElERatE
oUR ENgIN± aND EAsE ou¹ clutcH ouT
To TaKE oİ
(gEn±rally IN sEcoNd
U¶Less wE a³E oN A hILL o¹ hEaVyí
43´
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