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MGL Vega FF-4 Fuel Computer
MFR Model# FF-4
Overview
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The FF-4 for Experimental / LSA aircraft is a 2 1/4” sunlight readable color display instrument intended for efficient monitoring of fuel related information for single or dual fuel tanks. The FF-4 has many display configurations based on single/dual flow senders, single/dual level senders and a fuel pressure sender. Full functionality is available with a fuel flow and level sender or only with a fuel flow sender using calculated fuel levels based on fuel usage. Differential fuel flow calculations are also supported for fuel return systems. Fuel injector systems are also supported. Standard automotive fuel level senders can be used, even with odd shaped tanks due to a comprehensive, multi-point calibration system. Most fuel flow senders can be used as the K-factor of the sender can be entered into the system for simple calibration. In addition, the FF-4 can use the actual ground speed from a RS232 NMEA enabled GPS receiver to determine fuel range. The FF-4 can also be interfaced via the CAN bus to an external RDAC unit (Remote Data Acquisition Unit). This allows for easier installation as the RDAC unit is normally mounted in the engine compartment. |
Features
- Advanced fuel computer with various modes of operation
- Supports single or dual fuel tanks
- The FF-4 can connect to one or two fuel flow senders, fuel level senders or fuel injectors
- The FF-4 can connect to a single fuel pressure sender
- Differential fuel flow calculations are also supported for fuel return systems
- The FF-4 has the ability to connect to a NMEA enabled RS232 GPS receiver for range based calculations. It can also accept a manually entered estimate cruising speed if a GPS is not available.
- Standard automotive fuel level senders can be used, even with odd shaped tanks due to a comprehensive, multi-point calibration system
- External RDAC interfacing via the CAN bus
- An external output activates when an alarm condition has been reached
Documents
Reviews
Used for about 40 hours now since cockpit upgrade. No issues whatsoever and after being wired up as per instructions, everything has worked first try and without glitches or fail. For anyone who has wired up a cockpit before they will know how rare that is!
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
No, these do not come with transducers, please read the operation manual for recommendations on transducers.
No, the MGL Vega series is intended for use in experimental aircraft only.
Units for measurements are user selectable.
The gauge can work with either, however capacitive probes need to have their signals processed by a computer box that outputs a 0-5V signal depending on fuel level. The gauge will not work with straight up capacitance probes on their own.
