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Chiltern
Gas Marine convert high consumption petrol engines to run on low
cost environmentally friendly LPG (Liquefied Petroleum Gas), as
well as petrol. |
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Services range from a complete custom design and installation service to the supply of specific kits to installers. |
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Fuel
Consumption |
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LPG
is consumed at practically the same rate as petrol. Due to the difference
in calorific values, there is a 10-15% power loss at high speed
especially under load. At cruising speeds the power loss is negligible.
Nevertheless, this is a small price to pay for the massive cost
savings LPG provides. |
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| LPG - The Advantages | ||
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The
main advantage of LPG is the price. A litre of LPG costs less than
half the price of a litre of petrol. |
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LPG does not contain or require any additives to improve combustion, or increase the octane rating of the fuel such as lead or lead substitutes. LPG has an octane rating of over 106 which is much higher than that of 4 star petrol at 98. |
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The
environmental advantages of LPG for marine use are indisputable.
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Exhaust
fumes and smoke are practically eliminated and noxious gases are
nearly eliminated as a result of the improved combustion of LPG.
This is in stark contrast to petrol, especially at engine start
up. |
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The
absence of petrol acids and carbon deposits in LPG combustion mean
less wear and tear on the engine as engine oil is not diluted and
polluted with unburnt petrol and carbon particles. Oil retains its'
protective power much longer and needs to be changed less frequently.
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Petrol
engines often flood when starting from cold. LPG does not suffer
from this problem. |
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LPG
is stored in liquid form in a built-in tank(s). It is vaporised
just before entering the engine thus ensuring clean carbon free
combustion. |
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Spillage
of fuel is impossible, engine noise is lower and performance is
comparable to petrol. |
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The
petrol fuel system is still retained, therefore if both petrol and
LPG fuel tanks are filled, the cruising range is greatly increased. |
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