..the amount of guesswork some of you guys do on this forum is astonishing sometimes..
On average a Merlin engine gulps an astonishing 3 UK gallons (almost 14 litres) per minute at take off and circa the half (roughly 6,5 litres) at 75% FEC.
It's literally like pouring petrol off a jerrycan on the ground.
A minimum negative acceleration that can occur also in turbulent air can cause a misfeed and an irregular detonation for such delicate but thirsty engines.
This was sorted with the introduction of new carburetor designs, but the early configs suffered from an instant cutout when being hit by negative Gs. Even a 0 G situation could cause trouble.
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