Ads
related to: oarlock pin box covers- Custom Fit Boat Covers
Perfect-fit covers
designed specifically for your boat
- Waterproof Boat Covers
100% waterproof - protects against
rust, rain, snow and ice.
- All Weather Boat Covers
Heavy-duty boat covers that protect
against sun, snow, hail & dust.
- Dust-Rain-Snow Boat Cover
Unmatched strength, durability &
great protection against dust, rain
- Custom Fit Boat Covers
Search results
Results From The WOW.Com Content Network
A rowlock [1] (UK: / ˈ r ɒ l ə k /), sometimes spur (due to the similarity in shape and size), oarlock (American English) [2] or gate, is a brace that attaches an oar to a boat. When a boat is rowed, the rowlock acts as a fulcrum for the oar. [3] On ordinary rowing craft, the rowlocks are attached to the gunwales.
The calculations are simpler for the Class I perspective. The mechanical advantage of the oar depends on the length of the oar from the oarlock to the blade, compared to the length from the oarlock to the rower's hand(s). The further away from the oarlock the blade is, the more difficult it is to row and the more distance each stroke will move. [4]
The oarlock also allows the rower to rotate the oar blade between the "square" and "feather" positions. Also historically called 'Rowing Gate' by some manufacturers. Outboard The length of the oar shaft measured from the button to the tip of the blade. Outrigger (See Rigger) Pin The vertical metal rod on which the rowlock rotates. Pogies/poagies
Two "cleaver" sculls. The blades which enter the water are at the top of the picture and the handles are at the bottom. Note how the oar shaft connects not to the midline of the blade (as is the case of macons) but rather higher pitch, that is toward an upper part of the spoon/blade when perpendicular to the waterline.
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
Shackle: a U-shaped fitting secured by a removable pin for securely connecting chains, lines, and other fittings. Known as a "snap shackle" when fitted with a spring-loaded pin. Sheave box: a plastic or stainless steel box that holds a pulley that is fixed in position as on a mast head. Sheer: the generally curved shape of the upper hull. It is ...