Quote:
Originally Posted by Crumpp
It is a little more complicated than that seadog. The RAF correctly plans for their logistical train to be interupted by the enemy.
Therefore, they correctly plan to emplace several weeks supply at the aerodrome, supply the emergency fields the aircraft might have to land at, and keep several more weeks of fuel dispursed around the log train earmarked for that unit.
If you just plan to have enough fuel on hand for what you are going to fly, then you will be in real trouble when the enemy bombs your airfield storage tanks, shoots your trucks up on the road, or hits the railyard. You will be out of the game in one enemy attack.
Read the logistical plan if they had to supply the 4 squadrons in France. That is the amount of fuel in the system earmarked for those squadrons to fly for just ONE WEEK.
If they want to continue to fly operationally and resupply their unit after an enemy attack, the RAF is planning to have some 8 weeks worth of fuel on the ground and available at short notice.
Don't you think that makes sense given the fact the Luftwaffe was targeting the airfields during the BoB?
So when you do your simplistic calculation for one week of flying, keep in mind, there is 8 weeks of fuel required to be available for that one week in the air.
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Fuel available is not fuel consumed.
The document also assumed 154 gals per Hurricane sortie, which is exactly twice the actual figure, since tank capacity was 97 gals, and aircraft will not land with empty tanks. Actual consumption will be 1/2 what the document states, for the 3840 sorties which it estimates will be flown and that works out to 950 tons
The document correctly assumes that a squadron of Hurricanes would fly about 1 sortie/day per aircraft
In the UK every airbase is providing a reserve for every other base, unlike France where a number of bases had to be stocked in expectation of rapid movement between bases, and the expectation that a base might be used briefly, but intensely.
However, the document certainly confirms 100% 100 octane use by Hurricane squadrons in France.
This document states the daily consumption per squadron as 1870gals for 24 sorties or 77.9 gals/sortie:
http://www.wwiiaircraftperformance.o...nt-15may40.pdf
so this works out to 180 tons/month/squadron based upon 24 sorties/day.