After being re-fuelled in Perth immediately prior to the fatal flight, the fuel filters in all 4 engines and the fuel drain serving the cross-feed pipe in the wing centre-section were all checked for the presence of water.
12.
THTR-300 was only in full service for 423 days . On May 4, 1986, just 6 months after it was connected to the power grid, a fuel pebble became lodged in a fuel feed pipe to the reactor core.
13.
If the drain cock in the cross-feed pipe was still open to the atmosphere, air would be drawn into the pipe, causing an interruption of fuel supply to the engines, all engines to stop operating and their propellers to move to fine pitch.
14.
"On December 9, 1986, a steam explosion ( Condensate Feed Piping Ruptured, Due to Internal Erosion and being Over Pressurized when Feed Pump DISCH Check Valve Failed ) in the non-nuclear part of Unit 2 killed 5 workers that day, 2 died later, for a total of 7.
15.
Pots came in two major styles : a single stack above a fuel oil-filled base, and a slightly taller version that featured a cambered neck and a re-breather feed pipe out of the side of the chimney that siphoned stack gas back into the burn chamber and produced more complete combustion.
16.
However, on legal advice this possible explanation of the crash was not made public . and another approaching Stockport Airport, Manchester, United Kingdom, in 1967 were attributed to interruption of fuel supply when engines were supplied from the cross-feed system which was open to an empty fuel tank, allowing air to be drawn into the cross-feed pipe.
17.
The upper left round pipe was used as the water ( the use of anti-freeze chemicals was prohibited by most of the race organisers at the time for the danger of making the Tarmac slippery ) feed pipe for the radiator up front, and the lower right side pipe and a half of the width-wise lower rear cockpit pipe was the return tube.
