Chevrolet 1533X2 30-cwt trucks

[Hanno Spoelstra]

Originally Posted by Charlie Down

This photo shows what looks like a flap, which is what I'm trying to sort out. It has generated lots of conversations on here and the LRDG preservation society facebook page. Initially I thought it was the airline connection and started looking for evidence to prove this, which has by a convoluted path led me here where I am sure its not, but don't know what its is. So yes I'm 'flapping' about a flap, but what I really want to work out is how the airline was set up from the pump because it's never really been discussed in LRDG circles, but apparently MCP/CMP forums are much better informed!

Charlie, that "flap" may be something else? A small tin with cigarettes, spare tyre valves, or ???