Hynautic Heavy Duty Trim Tabs
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HYNAUTIC HEAVY DUTY
The effort required to keep large pleasure
yachts and commercial boats trim and level
is usually too great for most ﬁberglass nylon
trim cylinders, even when used in multiple
This is especially true when
backing down hard.
Based on an understanding of these forces,
Hynautic offers a heavy duty brass trim
cylinder powerful enough to move and
maintain the position of even the largest
And, this patented product is more durable
because it resists corrosion by eliminating all
external hoses, isolating dissimilar metals,
and protecting vital seals.
Coupled with a Hynautic 12 volt or 24
volt pump, the cylinder will extend quickly
enough to make an immediate difference in
the trim of your yacht or work boat.
No External Hoses
Adjustable Rotation To
Protected Shaft Seals
TRIM TAB SYSTEM
Double acting brass cylinder with a patented
porting design: All plumbing is left inside the
transom. No external plumbing ﬁttings to be
damaged or corroded. The patented, double
wall cylinders are pressurized in each direction
which means they work equally as well at either
holding the plane down against a force from
below or preventing it from being pushed down
from a force from above.
Simple, effective marine power pumps: Available
in 12 or 24 volt, these pump assemblies are easy
to install and purge. The use of marine rated relays
and switches adds to the product’s durability.
A design mechanics can appreciate: The cylinder
is designed to be disassembled from outside the
boat without removing the complete assembly
from the transom.
Where dissimilar metals might
come in contact, they are separated by a neutral
material to reduce the effects of electrolytic
Uses Dexron III® type Automatic Transmission
Fluid or equivalent.
HYNAUTIC - Trim Tabs