Bf 109 vs. Spitfire production costs - Luftwaffe and Allied Air Forces Discussion Forum

schwarze-man · #31 21st November 2018, 16:55

Quote:

Originally Posted by Kutscha

The workmanship, or the lack there of, of late war 109s reflected the decrease in assembly times.

Late war C3 had gumming problems if the fuel sat too long. Did Allied 150 fuel have this problem?

Hi Kutscha!
I believe (very generally as fuel chemistry is complex!), the B4 fuel was very low in aromatic content whereas the C3 had higher levels of aromatics. Generally, the Higher grades of Allied fuels also had higher levels of aromatic content that could attack some of the rubber in fuel system components. Also, levels of poisonous TEL and other compounds were very high in 150 fuel. I know that Avgas (100/130) is still monitored for levels of dissolved "gum" to ensure it is not contaminated. Cheers

SM

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