Friday, May 02, 2008 at 13:15
Hi All,
I don't know how accurate this info is that was emailed to me recently but its probably relevant to this post:
Tips on Filling your Vehicles...
I don't know what you guys are paying for petrol... but here in Durban, we are also paying higher, up to 47.35 per litre. But my line of work is in petroleum for about 31 years now, so here are some tricks to get more of your money's worth for every litre.
Here at the Marian
Hill Pipeline, where I work in Durban, we deliver about 4 million litres in a 24-hour period thru the pipeline.
One day is diesel; the next day is jet fuel, and petrol, LRP and Unleaded. We have 34-storage tanks here with a total capacity of 16,800,000 litres.
ONLY BUY OR FILL UP YOUR CAR OR BIKKIE IN THE EARLY MORNING WHEN THE GROUND TEMPERATURE IS STILL COLD. Remember that all service stations have their storage tanks buried below ground. The colder the ground, the denser the fuel, when it gets warmer petrol expands, so buying in the afternoon or in the evening.... your litre is not exactly a litre.
In the petroleum business, the specific gravity and the temperature of the petrol, diesel and jet fuel, ethanol and other petroleum products play an important role. A 1degree rise in temperature is a big deal for this business. But the service stations do not have temperature compensation at the pumps.
WHEN YOU'RE FILLING UP, DO NOT SQUEEZE THE TRIGGER OF THE NOZZLE TO A FAST MODE. If you look, you will see that the trigger has three (3) stages: low,
middle, and high. In slow mode, you should be pumping on low speed, thereby minimizing the vapours that are created, while you are pumping. All hoses at the pump have a vapour return. If you are pumping on the fast rate, some of the liquid that goes to your tank becomes vapour. Those vapours are being sucked up and back into the underground storage tank so you're getting less worth for your money.
ONE OF THE MOST IMPORTANT TIPS IS TO FILL UP WHEN YOUR TANK IS HALF FULL. The reason for this is, the more fuel you have in your tank, the less air occupying its empty space. Petrol evaporates faster than you can imagine. Petroleum storage tanks have an internal floating roof. This roof serves as zero clearance between the petrol and the atmosphere, so it minimizes the evaporation.
Unlike service stations, here where I work, every truck that we load is temperature compensated, so that every litre is actually the exact amount.
ANOTHER REMINDER, IF THERE IS A FUEL TRUCK PUMPING INTO THE STORAGE TANKS, WHEN YOU STOP TO BUY, DO NOT FILL UP - most likely the petrol/diesel is being stirred up as the fuel is being delivered, and you might pick up some of the dirt that normally settles on the bottom.
Hope, this will help you get the maximum value for your money.
DO SHARE THESE TIPS WITH OTHERS! LET’S SHARE INFORMATION AND BENEFIT ALL.
***********************
Make of it waht you will....
Cheers,
Glen
AnswerID:
301675
Follow Up By: Member - Kiwi Kia - Friday, May 02, 2008 at 13:58
Friday, May 02, 2008 at 13:58
All of the above are myths.
Ground temperature changes very little
The evaporation from a vehicle fuel tank will not be measurable
Tanks are left to 'settle' before being used after filling.
FollowupID:
567733
Follow Up By: V64Runner - Friday, May 02, 2008 at 14:56
Friday, May 02, 2008 at 14:56
I lived in Durban for 40 years before coming to Australia 30 years ago. I have never heard of jet fuel, diesel, ULP and LRP being pumped through the same pipe. That would lead to contamination of jet fuel. All the refineries are at Louis Both Airport are near
The Bluff. Jet fuel is pumped into the fuel tankers and delivered to the underground tanks at the airport. The same goes for AVGAS that gets delivered to Virginia Airport. I spent 25 years flying out of Virginia airport and would see the fuel tankers arrive twice a week. So I fail to see how you can pump all the different fuels through one pipe. Also the price of Fuel in Durban is about R9 to R10 a litre not 47.35 as you stated. Even at the current exchange rate your petrol in South Africa is considerably more expensive that here in Australia.
FollowupID:
567746
Follow Up By: V64Runner - Friday, May 02, 2008 at 15:03
Friday, May 02, 2008 at 15:03
Glen. You are not in Durban. Cant pull the wool over my eyes mate . You are in Queensland - your profile gives you away. You might have lived in Durban several years ago, but the other mistake you made was to say that petrol in Durban was 47.35 cents/litre. I was there in October last year for five weeks and fuel was fluctuating between R7.0 and R8.00 a litre. Sorry to blow your cover.
FollowupID:
567749
Follow Up By: Member - Kiwi Kia - Friday, May 02, 2008 at 15:16
Friday, May 02, 2008 at 15:16
Hi V64Runner,
Multi fuels are pumped through the sam pipelines. A special 'pig' is pushed down the line between different types of fuel. As the pig passes into a valve station detectors on the outside of the pipe note it's arrival and it can be diverted into a capture point. Even James Bond has used this method of travel :-))
FollowupID:
567753
Follow Up By: Member - barry F (NSW) - Friday, May 02, 2008 at 16:38
Friday, May 02, 2008 at 16:38
Glen didn't say he was in Durban. He said the article was e mailed to him & that he did not know how accurate it was. Cheers.
FollowupID:
567769
Follow Up By: Saharaman (aka Geepeem) - Friday, May 02, 2008 at 17:07
Friday, May 02, 2008 at 17:07
V64Runner, barryF is absolutely correct. I never claimed to be in SA. AS stated in my reply everything after the ":" was emailed to me. All I did was copy and paste it here as I thought it was relevant to the post. I was a bit sceptical when I read it so I guess my ulterior motive was to see what others thought of these suggestions to save fuel when refueling. Are they all just myths as the first follow up (kiwi kia) says or is there a grain of truth in these suggestions.
Cheers,
Glen
FollowupID:
567773
Follow Up By: aceman - Friday, May 02, 2008 at 18:23
Friday, May 02, 2008 at 18:23
There is very little change to ground temps beyond 50-100cm.
How many Igloo's do you see under ground.
Cheers
Leigh
FollowupID:
567789