5/ Petrol Mixture in Oilers Satisfactory
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REPORTS from different parts of the I N. country show that operators are experimenting with additions of petrol to oil fuel for burning in oil engines. In one case it has been shown that an addition of 5 per cent. of commercialgrade petrol is satisfactory, in that consumption and power are not affected, and there is no appreciable rise in the heat of the exhaust.
Another operator reports that with proportions in excess of 5 per cent., up to 20 per cent., power is reduced, consumption is increased and exhaust temperatures are substantially higher. Above 5 per cent., detonation becomes progressively more pronounced.
Using a leaded petrol, however, it is possible to employ a 15-per-cent. mixture without loss of power or increase in consumption, but exhaust temperatures are higher.
Some of the power lost when burning more than 5 per cent, of petrol could, it is assumed, be restored by adjusting the injector-pump settings. It is recognized that the fire risk with higher percentagei would have to be taken into account.
GLASGOW REFUSES TO CUT
GLASGOW has refused to cut its municipal bus services to save fuel Mr. J. McCrossan, transport convener, said last week: "We just can't do it. Already we are operating on a minimum due to staff difficulties.
The transport department had enough dery in store to last for some time.