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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Showcase of marine auxiliary units and engines from Reiner, Hall-Scott, and Red Wing.

Identifier  ExFiles\Box 133\3\  scan0130
Date  1st January 1940
  
Reiner Auxiliary Units

John H.{Arthur M. Hanbury - Head Complaints} Reiner & Co., Inc., of New York, is showing two Reiner Diesel marine auxiliary units, together with a 10 hp. Stover 4-cycle full Diesel engine for generating, pumping and other purposes.
One of the Reiner units on display is the A-5, a single-cylinder full Diesel motor complete with compressor, pump, and generator. It develops 5 hp. which generates 2 to 3 kw. of electricity; pumps 50 gallons of water per minute, and compresses up to 500 pounds of air pressure. The generator is of the marine type, with drip-proof construction, and can be equipped with cranking winding to start the Diesel engine from the ship's batteries.
The other Reiner unit consists of a Hercules 4-cycle, 4-cylinder Diesel engine rated at 30 hp. which develops 15 kw. in its semi-enclosed, drip-proof generator. The unit is specially designed for use on yachts, dredges and tugs and for all installations where vibrationless operation of the auxiliary machinery is necessary. As displayed, the MDGH15 is equipped with fresh water cooling system having bronze heat exchanger, fresh and raw water circulation pumps, expansion tank and automatic thermostat to maintain constant fresh water discharge temperature.

[Image Caption 1]
John Reiner & Co., of New York, displays this Diesel auxiliary set known as the Model A-5. The set includes a 4-cycle full Diesel, a rotary pump, a 5 kw. generator and a compressor.

...these ranging from 4 to 125 hp. in the gasoline division, and from 35 to 200 hp. in the Hesselman "spark-Diesel" line. A new Hesselman spark-Diesel is also announced for 1940. This is a 6-cylinder 4½" by 5½" motor developing 100 hp. at 1500 r.p.m. and a maximum of 125 hp. at 2000. The model weighs around 2000 pounds and is available with or without reduction gear. A gasoline engine of similar size to produce around 150 hp. is also being developed.

Hall-Scott Features "Defender"

Hall-Scott has had nine years of experience with its famous Hall-Scott Invader, developing and improving it year by year. Last year, after eight years of this development work, the company announced the 630 hp., V-12 type engine, Defender, built on the basic design of the successful Invader, but further developed for the greater power of two banks of cylinders.
This year the company exhibits the Defender for the first time at the Motor Boat Show, and the rest of its exhibit is built around this new model. In detail, Defender has 12 cylinders in the V-type arrangement, with bore and stroke of 5¾" and 7", 2181 cubic inches piston displacement, and with a rated horse power of 630 at 2100 r.p.m. The engine can be supplied with direct drive, for such craft as high speed commuters; or it can be supplied with reduction gears to make it efficient, with proper selection of propeller, for boats up to 100 feet in length. The company considers it particularly suitable for high-speed commuters as it reduces the weight of machinery for this service, which has been rather high.
While the field for this 630 hp. engine is necessarily limited, there is a definite demand for a marine gasoline engine of this size and type, which should be thoroughly modern in design, built to stand up under hard service, and does not represent merely some other type of engine revamped for marine use. The company points out, further, that Defender is not an experiment, that the fundamental design of the well-tried Invader has simply been revised and adapted to meet the special requirements of a twelve-cylinder, V-type design of greater horse power.
In addition to the Defender, two models of Invader are on exhibition. One of these is shown with direct drive and the other with reduction gear. This engine develops 250 to 275 hp. at 2100 r.p.m. and has given a good account of itself in various sorts of work, such as in cruisers, runabouts, general utility boats, commercial vessels, etc.

[Image Caption 2]
Left, the Hall-Scott Invader with reduction gear. This 6-cylinder engine develops from 250 to 275 hp. at 2100 r.p.m. The new Defender, a V-12 engine, follows the basic design of the Invader.

[Image Caption 3]
Below, the starboard side of the LH{Mr Haworth}-D6 De Luxe Model, built by the Lathrop Engine Co., of Mystic, Conn. It is rated 64 hp. at 2200 r.p.m. and weighs about 850 pounds. Eight other Lathrop engines are exhibited.

Red Wing Exhibits "Knee Action"

The Exhibit of the Red Wing Motor Co., of Red Wing, Minn., which is in charge of the Verrier, Eddy Co., of New York, is featuring its new light weight 4-cylinder 7-18 hp. Meteor, shown connected up to a popular inboard-outboard drive known as the "Knee-Action." This drive is mounted on a transom and is connected to the motor to show how easily an outboard type hull can be hooked up for inboard power. The drive is of bronze, suited for either fresh or salt water.
Representative models of the twenty-engine Red Wing line are on exhibit,
  
  


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