Да источников полно. Я взял первый попавшийся -
http://en.wikipedia.org/wiki/Miss_Shilling's_orifice.
Есть например -
http://www.spitfiresociety.demon.co.uk/engines.htm
Написано почти тоже самое (только вид сбоку) - "Sustained zero 'g' manouvres were not sorted out until somewhat later. In 1942 an anti-g version of the SU carburetor was fitted to single and two-stage Merlins. 1943 saw the introduction of the Bendix-Stromburg carburetor which injected fuel at 5psi through a nozzle direct into the supercharger and was fitted to the Merlins 66, 70, 76, 77, and 85."