HB-YMT
Airplane Flight Manual
7–38
Description of the Airplane and its Systems
01/00
heating itself up forward of the firewall and “boiling”
resulting in a phenomenon called “vapor lock”. There is a
check valve plumbed into the return line, avoiding flow
reversal/fuel from the tank going firewall forward e.g. in an
emergency when the selector has been switched off.
7.10.5
Mechanical Fuel Pump
Fuel Pump and Vapor Separator Assembly:
The fuel pump is an engine driven, positive displacement
rotary vane type pump.
The fuel pump draws fuel from the fuel delivery lines and
increases the fuel pressure. The fuel pump output flow is
considerably beyond the engine needs, and the fuel not
needed by the engine is by-passed in the fuel pump
assembly.
Additionally, fuel entering the pump assembly passes
through a swirl chamber where fuel vapors are separated.
The by-pass fuel from the pump passes through a venturi at
the swirl chamber and draws off the fuel vapors and returns
the by-pass fuel and vapors to the fuel tank. The swirl
chamber ensures that the fuel pump draws only liquid fuel
which prevents surging or other abnormal operation.
Содержание HB-YMT
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Страница 85: ...Airplane Flight Manual HB YMT 01 00 Performance 5 13 5 3 9 Endurance Power Settings Man Press RPM FL...
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Страница 99: ...Airplane Flight Manual HB YMT 01 00 Mass and Balance 6 11 6 4 6 Specialty of the RV 7A nose gear...
Страница 139: ...Airplane Flight Manual HB YMT 01 00 Description of the Airplane and its Systems 7 35 7 10 Fuel System...
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