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The
FlexOFold folding propellers have the following Technical
specifications:
Flexofold Folding
Propeller Blades:
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The folding propeller blade design
is based on
latest hydrodynamic research with large blade areas for efficiency and
rounded leading edges for quiet operation;
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Material:
Nickel-Aluminum-Bronze (Nibral), high strength, corrosion resistant and
82% copper for anti-fouling;
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Twin Helical gears
(patented) for improved gear engagement;
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Hubs, 2 and 3-blade
Folding Propeller:
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Cast in
Nickel-Aluminum-Bronze (Nibral), high strength, corrosion resistant, and
82% copper for anti-fouling;
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Locking screws with
pre-applied waterproof thread locker available for underwater
installation or re-installation of folding propeller after changing sail
drive.
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Urethane shock absorbers
for low opening stress;
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Available in most SAE and
metric shaft configurations.
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Hubs, sail drive:
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The inner and outer hubs
of the flexofold - sail drive are cast in Nickel-Aluminum-Bronze (Nibral),
high strength, corrosion resistance and 82% copper anti-fouling;
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Rubber bushing to minimize
shock loading of sail drive;
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Locking screws with
pre-applied water proof thread locker available for underwater
installation or re-installation of propeller after changing sail drive
anode;
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Urethane shock absorbers
for low opening stress.
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Pivot pin locking screws
for Flexofold folding propellers:
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329 stainless steel pins
for high strength, corrosion resistance;
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Notch in pivot pin to
accommodate locking screw to ensure positive lock;
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Tapered locking screws to
supplement thread locking;
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Pre-applied thread locker
that cures under water.
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The first choice in
sailboat propellers - Flex-O-Fold folding propeller.
The Flex-O-Fold folding sailboat Propeller is the
most efficient, lowest drag you can buy. This claim is based independent
tests conducted over the past several years and reinforce today by
sailboat builders and owners around.
The Flex-O-Fold folding propellers deliver:
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Maximum performance under power |
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Superior performance in reverse |
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Lowest drag under sail |
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Unmatched construction |
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Virtually no maintenance |
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No fouling of lines under sail |
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Approved use with sail drives as well
as shafts |
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