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Philip C. Bolger (December 3, 1927 – May 24, 2009) was a prolific American boat designer, who was born and lived in Gloucester, Massachusetts.He began work full-time as a draftsman for boat designers Lindsay Lord and then John Hacker in the early 1950s.
A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" (BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.
Sailing performance with a standing lug relies on the right amount of luff tension. An essential component of this rig is the tack tackle, a purchase with which luff tension is adjusted for various points of sail. [4]: 34 The balanced (or balance) lug has a boom that projects in front of the mast roughly the same distance as the yard.
A jack plane is a general-purpose woodworking bench plane, used for dressing timber down to size in preparation for truing and/or edge jointing. It is usually the first plane used on rough stock, but for rougher work it can be preceded by the scrub plane. [1] The versatility of the jack plane has led to it being the most common bench plane in use.
The Pinewood Derby is the wood car racing event of the Cub Scout Program of the Boy Scouts of America. Pinewood derbies are often run by packs of the Cub Scouts program. With the help of adults, Cub Scouts build their own unpowered, unmanned miniature cars from wood, usually from kits containing a block of pine wood, plastic wheels, stickers with numbers, and metal axles.
A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
The earliest wooden rails were fixed to wooden sleepers by pegs through holes in the rail, or by nails. By the 18th century, cast iron rails had come into use, and also had holes in the rail itself to allow them to be fixed to a support.
In woodworking and construction, a nail is a small object made of metal (or wood, called a tree nail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration. [1] Generally, nails have a sharp point on one end and a flattened head on the other, but headless nails are available.