[PRCo] Fw: Acceleration of real trains [tm]

[Jim Holland]

wrote in message news:...
 > In article ,
 > Hans-Joachim Zierke wrote:
 >
 > > The Tokaido Shinkansen will see service by the replacement generation
 > > of the 700 type, the N-700. It features a 1° tilting system for
 > > eliminating some 250 km/h curve speed restrictions on the 270 km/h
 > > Tokaido Shinkansen.
 >
 >
 > http://jr-central.co.jp/eng.nsf/english/n-04-0616
 >
 > Some interesting excerpts:
 >
 > The N700 is based on the Series 700 under the theme of "more speed, more
 > comfort, more beauty," with the aim being for a Shinkansen that is 
suited
 > for the 21st century as a means of high-speed transport serving as a key
 > component for Japan. As such, it will make its appearance after 
upgrading
 > a variety of aspects including performance, riding comfort, and energy
 > conservation.
 >
 > The development of the nose shape incorporated the latest analysis 
method
 > (genetic algorithm*4), used in the development of airplane wings, for 
the
 > first time in railway rolling stock. In doing so, we have developed a 
nose
 > shape with the optimal aerodynamic performance accommodating 300 km/h
 > operation, while ensuring the Series 700 seating capacity and spacious
 > interior. The Series 700 "Aerostream" shape created a new trend in
 > high-speed railway. This shape has been further evolved to achieve the
 > "Aero Double-Wing," named so for its resemblance to a bird with
 > outstretched wings.
 >
 > The first-class (green) cars offer a "refined and peaceful, tranquil
 > riding space" that is appropriate for welcoming in VIPs.
 > Installation of a "leg warmer" that can be used individually when the
 > passenger feels a chill to the legs
 >
 > [ In other words, women in mini-skirts will no longer say "It's too cold
 > in here" like they do in the USA any time it gets below about 75 deg. F]
 >
 > The ordinary cars have been further evolved from the popular Series 
700 to
 > achieve a "bright and liberating riding space."
 > - The seats have been further evolved and improved from the Series 
700 to
 > develop light-weight seats.
 > - In addition, the cushions have adopted a newly developed compound 
spring
 > construction, thereby improving the seating comfort.
 >
 >
 > > For really using the 270 km/h speed, acceleration has been 
improved. The
 > > trains can now reach these 270 km/h (168 mph) within 3 minutes. For 
this,
 > > power was increased to 17080 kW (22905 hp). Despite the tilting 
system,
 > > and despite the power increase, the new generation is few tons lighter
 > > again, more than half a ton has been shaved from each carriage.
 >
 >
 > http://jr-central.co.jp/eng.nsf/english/n-04-0616-p3
 >
 > Train formation is 14 motor cars and two trailers, and I think this 
16 car
 > consist has been a standard on the Shinkansen since the 1960s.
 >
 > So, the average hp per car is about 1430, which is somewhat less than 
the
 > hp per car used in the USA today on some commuter railroads - for trains
 > that don't have to accelerate to anywhere near that speed.
 >
 > It is also interesting to note the toilet style on the N-700 vs the 700:
 > for the N-700, it is two western style toilets and 1 urinal.
 > for the 700, it is 1 Japanese style, 1 western style, and 1 urinal.
 > Apparently the Japanese have decided it is OK to sit down, at least 
while
 > on the train. (I can't imagine using a Japanese style toilet on a train,
 > though the Shinkansen probably don't sway too much due to their 
excellent
 > track.)
 >
 > The 18 inch seat width isn't too bad either, for an economy seat.
 >
 > --
 > -Glennl
 > e-mail hint: add 1 to quantity after gl to get 4317.
.
.
^~^~^~^~^~^~^~^~^~^
.
.
Jim  Holland
.
Studying Pittsburgh Railways Company (PRCo)
.
..............................From 1930 -- 1950
.
Pennsylvania  Trolley  Museum  (PTM)
.
http://www.pa-trolley.org/
.
N.M.R.A.
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http://www.nmra.org/