lead ballastの例文

• They also managed to release a lead ballast weight as they descended.
• The full shoal-draft keel has a 4400 pound lead ballast embedded into it.
• The 5000 pounds of lead ballast in enclosed within the 12000 pounds displacement hull.
• The deep keel, sloping from the bow, with enclosed lead ballast, was another Payne mark.
• Most of the weight is in a lead ballast bulb at the base of the keel.
• All of the larger cruising class boats, 27 feet and larger, have fixed keels with lead ballast.
• It displaces and carries of lead ballast.
• For example, a 185-pound driver is required to add 20 pounds of lead ballast somewhere inside the frame rails.
• This required Hall to place eight pounds of lead ballast in the tail and enlarge the horizontal tail surfaces.
• In addition to the crew, instruments and life support systems, it carried a metric ton of lead ballast inside the airtight sphere.
• It initially weighed, and although the crew removed of lead ballast, the power station floor had to be reinforced to support the weight.
• The modern version is framed with osage orange and planked with oak; there is a lead ballast keel which the original did not have.
• Although the struts were similar-- 13-foot fins with giant lead ballast bulbs at the bottom-- wing-like attachments added a Disney dimension to their costly purpose.
• The situation may not have been helped by the addition of 1, 000 lb of lead ballast in the nose against the wishes of Tarrant.
• Like all modern Cup racers, the Young America is 75 feet long with a 12-foot appendage of steel leading to a 20-ton bulb of lead ballast.
• Lead ballast was stowed outside the landing basket in forty small bags; by pulling a cable through an airtight driveshaft, operators tumbled the bag upside down, dropping the small lead pellets.
• A number of small changes were made instead, including adding lead ballast to the nose to move the centre of gravity more to the front of the plane, and slightly increasing the size of the tail surfaces.
• It also increased the weight by about 45 lb ( 20.4 kg ); in addition, about 25 lb ( 11.4 kg ) of lead ballast in the nose was needed to get the cg to within the acceptable range.
• They were fortunate in catching American production at the right moment, becoming " the " destroyer design, and only " Fletcher "-class derivatives, the " Sims " class, which were top heavy and needed lead ballast to correct it, caused the " Fletcher " design to be widened by of beam.
• This was more than was considered necessary for the scientific instrument payload of a high-altitude research rocket, but in the case of the V-2, used for research, most of the payload was lead ballast required for stable flight, limiting the potential speed and altitude that could be reached with the smaller payloads typically needed for early scientific investigations.