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An Avenger brand 2-riser C-stand with a Rocky Mountain leg, 2.5" grip head and 40" grip arm. This stand extends to 10'. In film production, a C-stand (or Century stand) [1] [2] is primarily used to position light modifiers, such as silks, nets, or flags, in front of light sources. [3]
M/s Vadyar Boats was established modestly at Chennai in 1969 by Late Shri P.A. Ramakrishnan, a renowned naval architect, first generation entrepreneur and social worker. It is a family owned concern and pioneer in the manufacture of FRP (fibre-reinforced plastic) Lifeboats in India.
The British Royal Navy adopted and standardized on the Robinson's Disengaging Gear in 1881, [3] and this system was still in use in the late 20th century. The Robinson's Disengaging Gear consists of three mechanisms. There are two disengaging hooks, one at each end of the seaboat, holding the boat to the falls.
A hydraulic riser tensioner consists of a hydraulic cylinder with sheaves at both sides. The cylinder is connected to a number of high-pressure gas bottles via a medium separator. A wire rope is rigged in the cylinder; one end is connected to the fixed part of the tensioner, the other end is connected to the riser. [1]
A plastic extrusion machine extrudes plastic in a continuous profile. The main machine is usually called the host, and its accompanying equipment are called the plastic auxiliary equipment. Plastic extruders can make plastic film/wrapping, packing tape, corrugated sheets, plastic lumber, pipes, tubes, insulated wire, monofilament and nets.
On flying boats – as first patented by Claudius Dornier and first used on the Kaiserliche Marine ' s German World War I flying boat, the Zeppelin-Lindau Rs.IV [3] [4] – a sponson can help extend the hull higher in the water, reducing drag and providing additional lift when the plane is taking off.
Draft angle design is an important factor when designing plastic parts. Because of shrinkage of plastic material, injection molded parts have a tendency to shrink onto a core. This creates higher contact pressure on the core surface and increases friction between the core and the part, thus making ejection of the part from the mold difficult.
Early Sea Snarks featured an unclad one-piece injection-molded EPS hull and the hull weighed approximately 30 lbs. Later versions, marketed s the Sunflower, Super Snark and Super Sea Snark featured a vacuum formed layer of ABS (later ASA) [7] bonded over the EPS hull for a hull weight of 43 lbs. Snark Products patented the cladding process, which eliminated the possibility of voids within the ...