| "Iron
Duck" Sets World Land Sailing Speed Record On
their second trip to Lake Ivanpah in the past five months, Bob Dill (Burlington) and Bob
Schumacher (Shelburne) set a world land speed sailing record of 116.7 mph.
Dill andSchumacher built their first land yacht in 1994 in
Schumacher's shop. It was made from wood and carried a two person crew. It had
triangulated struts supporting the wing structure that was mounted on the starboard axle.
This yacht was 38 feet long and 18 feet wide. The West Coast sailors christened it the
"Mammoth from Vermont" (later to become the "Wooden Duck") when it
first appeared in Nevada for a speed test.
One of the problems of living in Vermont and building a land
sailing yacht is there is no place to sail it. Dill and Schumacher must take their boats
to Ivanpah Dry Lake, in Nevada, just outside Las Vegas to sail.
In 1994, on their first day of trials with the "Wooden
Duck" the wind was too light to get the heavy machine moving. The next day the winds
came up and they got it up to 73 mph. Coming back from the run; the got hit by a 55-mph
puff and tipped over. The "Wooden Duck" suffered a broken wind and strut, and by
the time they got it repaired the wind and their time had run out.
This was a good lesson for the pair of designers. They
decided to go back to the drawing board and build a new boat .This time, they switched to
tubular steel, which would be safer and stronger. Christened the "Iron Duck"
this design represented a different philosophy. The new boat is 39 feel long, 21' wide,
weighs 1600 pounds. It supports 80 square feet of sail on an unstayed wing mast and has an
off-centered forward wheel. The biggest design change was from a two person to a single
member crew.
During their trip to Lake Ivanpah in November 1998, they
reached 91 miles per hour with the new boat. At this point they knew that the record was
within reach. It was just a matter of getting the correct conditions. Unfortunately, they
had to return to Vermont before they got the right weather.
When they returned in March, they knew they had the best
chance yet of getting the record. They shattered the world record on March 15 by going
108mph, and on March 20 they increased it to 116.7mph.
"This is very a significant feat" said Schumacher.
"There is quite a load on the mast when you add together the wind and boat speed.
"The mast really bends a lot."
Schumacher and Dill are hoping to bring together a group of
sailors and designers focused solely on speed at next year's event. To learn more about
land sailing visit the North American Land Sailing Association web site. |