Communications and transit > Economics of air transport in Europe

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v+ 0+. Vm an hour Paris-Warsaw, London-Warsaw, London-Stockholm,
Paris-Belgrade, London-Madrid, London-Rome, Paris-Algiers are flights shorter t an
1116 dThfrd con'dusion of Europe which is economically the most active will
sconce one single territorial district which a fast aircraft will cross m half-a-day s day-time
flying.
5. Significance of Very Great Speeds.
Verv great speed is an essential condition to justify the use of aircraft and to cause
x near future for short and medium distances m Europe. Indeed,
L t Witten that the saving in time by air traffic is purely theoretical m
fhe^ase o thfofd nary blslness mam He prefers to travel during the hours of the
right which are supposed to be unproductive, provided he can rest on the journey
aIld (Jn^this” hypoth^sis^Paris^B"erlin ^by^ratlway (a journey of 13 hours 15 mins
including a comfortable night in a sleeping-car and with arrival early in the morning)
is infinitelv nreferable to a journey by air which actually starts at 7.30 in the morning
and doe^imf ericTbeforeVp•m• (summer time-table for the line in i933, with allowance
^°r ^IrTa^moreTgeneral'^way,'the Railway!1 though its speed is. 50 or 4o km. an hour
runs bothTav fnd right, and thereby places a severe handicap on air transport if
effected by day at ibo^m. an hour. This is clear from Graph 8, where, in two cases
which are obviously imaginary, I show the comparative use by air and by mil of
one and two working-days by a man whose time is a prion valuable.
Graph 8.
Table showing a Comparison between the Use for Travel of Railw
(Day and Night) and Aircraft (Day).
18h
h-
0h
6
-4—4
12l
\—h
18*
0h
Traide/ by rai/ j
Voyagje par chemin de ter
-A—I-
\2i
181
_4_
oh
-:s—4-
6h
-4—4-
121
I8h
Nuit
N/ght
8h Jour
-4
8‘
bl-
Day
Jour
Nuit
Whn/jrs Sj 50 km per hour - /9(k)kn
t
Night
38heures a 50 km h - 19Op km
l _j —^ —i
—1——-j/Z? heures A 160 km h ~ 1600krn\
j ' JO hours ty fGOkm per hour'in^~
Nuit
Voyage par avion
Trjye/ by aircraft
| Travel by rail j
Voylage par chemiqi defer
8h Jour Nuit 8h Jour
Night
Day
Jour
18 ‘
Nuit
km
02 hours at 50km. per
~\hour-
62 ^a 50 km h
= 3100 km.
3/00
urn.
I Night I Oay I ^ Night , .
-§-\ (.Nuit a ter re) Oour_ —\20h. a 160 km h -3200 km\
UeomMeoimanh Hay af ^perfoar-32^
jk\ Day \ jgh(Nighton land) jh^ Day
! Voyage par avion
Travei by aircraft
Above : scale showing the time taken, for three days. Below : examples of
use of means of transport for one or two working-days occupied in travel.