Fearless Tower
Touchdown! Greaser!
- Joined
- Jan 1, 2010
- Messages
- 16,718
- Location
- Norfolk, VA
- Display Name
- Fearless Tower
- Home Airfield
- KORF
Been a bit curious about this…why do some airplanes have manifold pressure drains and others do not?
Purpose of Manifold Pressure Drain?
- Thread starter Fearless Tower
- Start date
Clip4
Touchdown! Greaser!
Manifold design. If the manifold suffers induced pressure fluctuations, the drain hole is required to dampen indications and prevent fuel from flowing to the gauge.