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FERRARI HYDROPLANE
1954
Achille Castoldi was a
wealthy boat privateer. In 1940, he set the world
speed record of 81.10mph in the 400kg class with his
boat Arno.
For 1953, Castoldi
decided to concentrate on setting top speed records.
He commissioned an 800kg-class three-point
hydroplane hull. For the engine, he turned to the
new up and comers of the auto racing scene –
Scuderia Ferrari.
Ferrari supplied
Castoldi with a type 375 V-12 Grand Prix engine that
displaced 4493.7cc, making approximately 385 brake
horse power. This engine spun the twin bladed
propeller at up to 10,000 rpm!!
At the January 1953
Campione d’Italia races, Castoldi piloted Arno XI to
an unofficial top speed in excess of 124mph during
the shakedown testing, prior to the official two-way
run. However, his rival, Mario Verga achieved a
speed record of 125.68mph. Two weeks later, he
surpassed his own record with a two-way top speed of
140.74mph.
In preparation for
another attempt at breaking Verga’s new record,
Castoldi had a new engine built. Arno XI’s new
methanol burning, twin supercharged 4.5L Ferrari
power plant produced 600 brake horse power.
Ferrari sent
Stefano Meazza, the chief race engineer of the
Scuderia, to help prepare the new supercharged
engine. Grand Prix champion Alberto Ascari showed
support by attending the event. On the morning of
October 15, 1953, Achille Castoldi succeeded in
smashing the 800kg class speed record with an
average “flying kilometer” two-way speed of 150.49
mph. He followed up the performance later that day
by setting another record in the “24 nautical miles”
event.
Castoldi retired
from hydroplane racing in 1954. He sold Arno
XI to a wealthy engineer named Nando dell’Orto.
Dell’Orto revised the body lines of the engine cover
and front fairing, added a large fin behind the
driver for stability, and raced the boat for a few
more years. The most notable success was a 2nd place
finish in the 1965 900kg World Championship.
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This Ferrari model features:
- Scratch-built.
-
Plank-on-frame
construction (very important)
- The hood is wood
(thin and light),
not plastic as in Amati kit.
-
Heartwood Honduras Mahogany. This best
mahogany type is used by real boat builders.
- 11 layers of paint and varnish. Each was left to
dry and micro sanded before apply another layer.
-
Hundreds of copper nails.
- Precisely duplicates the real boat's elegantly
curved hull.
-
Realistic gauges, switches...
- Epoxy waterproof.
31"L x
12"
W
Sold
out
Hood can be
opened for your RC conversion work
Sold out
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