From the beginning of railway travel, people have
tried to make trains bigger, better, faster, more efficient, or just
plain different. Here are some of the strange ideas they came up with
along the way.
1. PROPELLERTRIEBWAGEN SCHIENENZEPPELIN
German
engineer Franz Kruckenberg had an idea: why not build a train that
worked like a blimp? It was the late 1920s and he was a zeppelin
designer by training, but he’d recently turned his attention to the
rails. He’d tried his hand at creating a hanging monorail, but when that
failed he decided to try something new—a streamlined, aluminum bullet
train powered by a giant propeller. This time, it worked! Built in
1930, the Propellertriebwagen Schienenzeppelin was as fast and smooth
as its name was long. Zooming at an unprecedented 140 mph, the engine
set a speed record that would stand for another 23 years.
So why
aren’t today’s Amtraks propeller-powered? The (extremely noisy paddles)
that made the train run also prevented cars from coupling to each
other, so the Schienenzeppelin wasn’t actually much of a train.
2. SAIL TROLLEYS

Sail-powered
trolleys were used in the UK from the 1850s onward, especially in
coastal areas that had a reliable gust. One in Cliffe, England, used
abandoned cement mine tracks to transport people wanting, as the book
The Cement Railways of Kent describes, to “dig worms and inspect the
sea defences.”
3. PENYDARREN LOCOMOTIVE
Not
to be confused with a deluxe barbecue smoker, Richard Trevithick’s
1804 locomotive was the first steam engine to successfully run on
rails. On its first run, the 7-ton train maxed out at 5 mph. The train
was so heavy that it made only three journeys, breaking the cast-iron
rails every time.
4. THE HOLMAN LOCOMOTIVE

Built
in 1887 to swindle gullible investors, the Holman had wheels on wheels
on wheels. Impressive, but they did nothing to make the train run
better. Locomotive authority Angus Sinclair said it had the same value
as “throwing gold coin over Niagara Falls.” Nonetheless, a test run
helped sell a few phony stocks.
5. GEORGE BENNIE’S RAILPLANE

Suspended
by steel trestles, the train-plane hybrid hung from an overhead rail
and was pushed along by two airplane propellers. Projected to cruise at
120 to 150 mph, a prototype ran in Milngavie, Scotland in 1930, but a
lack of funding left the idea literally hanging.
6. BEACH PNEUMATIC TRANSIT

New
York City’s first subway was a pneumatic tube. Built under Broadway in
1869, a giant rotary blower nicknamed the “Western Tornado” pushed a
single car down the track. The system was slow and loud, and it was
shut down after a stock market crash in Europe caused investors to lose
interest.
7. GYROSCOPIC MONORAIL
Louis
Brennan’s 1903 “gyro-car locomotive” teetered on one rail and leaned
at corners like a motorcycle. Two gyroscopic stabilizers helped the car
lean around bends, standing erect even when stopped. In 1910, the
train debuted in London, carrying 50 passengers, including Winston
Churchill. But it still flopped: One was scrapped and another was made
into a park shelter.
8. MAGLEVS

Magnetically
levitating trains—called maglevs—literally float on a cushion of air.
Recently tested in Japan and Germany, the rails are lined with strong
electromagnets. The repellent force makes the train float up to four
inches above the track; since there’s no friction with the rails, the
trains can reach 311 mph!
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