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'Sea-going launch for the Political Agent, Bahrain. Corr. re: Kelvin Engine.' [‎1cv] (8/398)

The record is made up of 1 volume (199 folios). It was created in 7 Apr 1934-14 May 1937. It was written in English and Arabic. The original is part of the British Library: India Office The department of the British Government to which the Government of India reported between 1858 and 1947. The successor to the Court of Directors. Records and Private Papers.

Transcription

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640
General Description q
Kelvin-Diesel engines have been developed in co-operation with Mr. H. R. Ricardo
and embody certain of his patents. They are of the four-cycle compression-^
solid-injection type and comply with the requirements of lyloyd s and the Board of Trade.
SIZE. The cylinders are 6 inches bore; the stroke is 9 inches. A long stroke has
important advantages for marine work—the speed is less, the propeller larger and the
efficiency higher.
FUEL. Any oil derived from Crude Petroleum may be consumed provided that it is
not too thick for the fuel pumps.
POWER.— Each engine is tested with Shell-Mex-Diesel Oil and is guaranteed capable
of developing, without smoke, within 3 per cent, of the power, speed and consumption
stated. An extract from the test record is furnished to a purchaser on request. For a
small extra charge the performance of the engine can be certified by Wo yd s. The ,
consumptions stated are at full load. If the engine is operated at 4 load, the ^
consumption is only f of that stated.
STARTING. —All models are started by hand and magneto from cold and without the aid
of compressed air or electric batteries. A wineglassful of petro l is required for each
start. A single pull on the starting handle is sufficient.
SLOW RUNNING.— Is a feature of these engines. The speed range is 150 to 750 revolu
tions per minute. Throughout this range the combustion is perfect and the^exhaust
smokeles s.
CONTROL. —The engine is governor-controlled throughout its speed range. A single
lever controls the governor; a wheel controls the clutch ; the water control is automatic.
DECK CONTROL.— For the control of the engine from deck or cockpit, a variety
of fittings may be supplied (see Installation Sheet No. 6).
FUEL PUMPS— Of Bosch manufacture and driven by flexible coupling.
NOZZLES.— Of Bosch Pintle type—less liable to choke than nozzles with plain holes.
In event of a nozzle becoming choked, its fuel supply may be cut off and the engine
operated on the remaining cylinders until it is convenient to clear the nozzle.
FUEL FILTERS.— The fuel passes first through a gauze filter, then through a fabric
filter. Both may be quickly cleaned. The filter is attached rigidly to the engine.
WATER REGULATOR.— Diesel engines shew a tendency to knock on light loads.
This is reduced by keeping the cylinders hot. At full speed the water passes from the
pump direct to the cylinder thence to the silencer. When running slow, most of the water
passes from pump direct to silencer. This method of control keeps the cylinders hot and
the exhaust pipe cool. The regulator is automatic in action.
LUBRICATION.— Automatic. The oil is carried within the crankcase and below the
reach of the cranks. A ram pump supplies a drip situated in the path of each revolving
crank. This creates the splash necessary to lubricate all parts. A dip rod indicates the
level. The engine may be inclined to the extent of one inch in nine.
OIL CONSUMPTION.— The consumption of lubricating oil is only one gallon for
100 gallons of fuel oil. There is no dilution of the lubricating oil by the fuel oil.
ACCESSIBILITY.— All running parts are enclosed, yet the accessibility is good. The
pistons and connecting rods may be removed through the inspection doors. All crank
bearings are adjustable through the inspection doors. The crankshaft comes out at the
end. Any repair may be carried out without lifting the engine.
CYLINDERS.— Each cylinder is fitted with a renewable liner of centrifugally cast iron
—very hard. The liner is not exposed to the cooling water and there are no perishable ^
joints liable to burn should the water service fail.
CYLINDER HEADS.— Are separate and easily detached. Valve guides renewable.
PISTONS. —Of Aluminium Alloy with four hardened rings.

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Content

Correspondence discusses the new launch Felix Jones for the Political Agent A mid-ranking political representative (equivalent to a Consul) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Agency. , Bahrain and includes:

  • Brochure for a Kelvin Diesel engine by the Bergius Company, Glasgow.
  • Diagram and description for a new reversing gear for marine engines, product of John I. Thorneycroft.
  • Supply of Thornycroft engine by distributers, A.M. Yateem Brothers, Bahrain .
  • Estimates for building new Felix Jones including materials used.
  • Sketch diagrams for building a harbour for Felix Jones Bushire pier (folio 59).
  • Advertisement for Thornycroft RD/6 Type Marine Engine with photo of Starboard side view of Engine with Reverse Gear (folio 122).

Correspondents include: Khalil bin Ibrahim Kanoo; Lieut-Colonel Gordon Loch, Political Agent A mid-ranking political representative (equivalent to a Consul) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Agency. Bahrain; Political Resident A senior ranking political representative (equivalent to a Consul General) from the diplomatic corps of the Government of India or one of its subordinate provincial governments, in charge of a Political Residency. Persian Gulf Historically used by the British to refer to the sea area between the Arabian Peninsula and Iran. Often referred to as The Gulf or the Arabian Gulf. ; John Thorneycroft and Co Ltd; M.Worth, the Agency An office of the British Government and, earlier, of the East India Company. , Bahrain; Captain J.V. Creagh, Senior Naval Officer, Persian Gulf Historically used by the British to refer to the sea area between the Arabian Peninsula and Iran. Often referred to as The Gulf or the Arabian Gulf. Division. A.M. Yateem Bros, Bahrian.

Extent and format
1 volume (199 folios)
Arrangement

The papers are arranged chronologically from the rear to the front of the file.

Physical characteristics

There are a couple of incomplete foliation sequences and one complete foliation sequence. The complete sequence is circled in pencil, near the top of the recto The front of a sheet of paper or leaf, often abbreviated to 'r'. of each folio. It begins on the front cover, on number 1, and ends on the inside of the back cover, on number 182. Foliation errors: f.1 is followed by ff.1A-O; f.7 is followed by f.7A; f.13 is followed by f.13A

Written in
English and Arabic in Latin and Arabic script
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'Sea-going launch for the Political Agent, Bahrain. Corr. re: Kelvin Engine.' [‎1cv] (8/398), British Library: India Office Records and Private Papers, IOR/R/15/2/1101, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100023628122.0x000009> [accessed 27 June 2019]

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