Manual for submarine miningUnited States. War Department
History
Manual for submarine mining
United States. War Department
Submarine mines -- Handbooks, manuals, etc.
The blade of an oar is the broad flattened part. The handle is the
small part of an oar on the inboard end of the loom, which the oarsman
grasps when pulling. The loom is the portion of an oar extending from
the blade to the handle. The leather is the portion of an oar which
rests in the rowlock. This is sometimes covered with canvas, but is
usually covered with leather; hence the name.
_Feathering_ is the term applied to the operation of turning the blades
nearly flat to the water after the stroke, with the upper edge turned
forward, especially valuable in rowing against a head wind.
_Rowlocks_ are forked pieces of metal in which the leather of the oars
rests while pulling. Swivel rowlocks are movable, a pin on the rowlock
fitting into a socket in the gunwale.
_Thole pins_ are pins set vertically in the gunwale and are used in
place of rowlocks.
The _steering rowlock_ is a peculiar form of swivel rowlock (fitted
near the stern of a boat) in which the steering oar is shipped. This is
sometimes called a crutch.
The _painter_ is a rope secured in the bow for towing or for securing
the boat.
_Boat-falls_ are tackles made with two blocks and a length of rope;
used for hoisting boats.
The _plug_ is the wooden stopper fitted into a hole in the bottom of a
boat to let water in or out.
A _boat breaker_ is a small keg used for carrying fresh water.
A _boat-recall_ is an understood signal made to order a boat’s return.
BOAT ORDERS.
Oars and rowlocks having been placed in the boat, blades of oars
toward the bow, rudder and yoke, if any, stepped and the yoke lanyards
clear, the men board and take their proper seats. The man pulling the
bow-oar is No. 1, the next man is No. 2, and so on, to the man pulling
the stern-oar, who is called the “stroke-oar.” The men being seated,
with oars handy, the bow-man, who may be No. 1 or an extra man, as
convenient, holds onto the wharf, side, or piling, as the case may be,
with his boat hook.
_Shove off._—At this command the bow-man shoves the boat clear, giving
her headway if possible. He boats his boat hook and takes his seat.
_Up oars._—The crew simultaneously seize and raise their oars smartly
to the vertical (guiding on the stroke-oar) and hold them directly in
front of them, the blades fore-and-aft, inboard hands grasping the
handles, holding the same well down between the knees, outboard hands
grasping the looms at the height of the chin.
_Let fall._—The oars are eased down into the rowlocks together,
brought level with the gunwale, blades horizontal and all trimmed on
the after oars. Oars must not be allowed to splash.
(1) _Give way together_, (2) _GIVE WAY_.
At the first command the men reach well forward, blades nearly
vertical, ready for the stroke. At the second command they dip their
oars at the same time as the stroke-oar and commence rowing, keeping
stroke exactly and all lifting their blades to the height of the
gunwale on the return. (Or higher if waves render this necessary.)
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