to Mariners and their Owners list
1971 Mariner 31 Hull#109
Owner: Joshua Mitchell - Cambridge,MD
Previous Names: "Mystique"
name is Joshua Mitchell. I am the happy owner of Isabella, M-31, Hull
#109. I purchased Isabella in 1999 and, for the last 20 years, I have
patiently maintained and upgraded her systems. Most notably, Isabella has
an electric drive propulsion, courtesy of James Lambden, over at www.electroprop.com. See https://thclip.wiki/video/mlZlQfYQDhs
Isabella is an electric drive, she is equipped with a custom 48V generator,
powered by a Farymann 18W, single-cylinder, water-cooled, diesel engine--the
world's lightest diesel engine, weighing in at less than 100 pounds. This
vastly extends her range. In principle, I should be able to sail around
the world on less than a tank of diesel.
Isabella is electric drive, I have configured Isabella's systems to be as
energy efficient as possible. All lights are LED; and my cabin heating
system consists of two propane catalytic heaters, combined with a tiny coal
stove (called a "Salesman Sample"), in which I generally burn
hardwood or wood pellets. Together, they keep the cabin warm when the
outside temperature is in the 20s.
conclusion after 20 years of Mariner ownership that the M31 is one of the
finest little sailboats ever made, and that with care and foresight, they
should last well into the 21st century.