Popular Engine Tach Settings on MGL EMS Systems
Rotax 912/914: 6 Pulses per Revolution
Aerovee: 6 Pulses per Revolution
Lycoming/Continental 6-cylinder: 1.5 pulses per revolution
Lycoming/Continental 4-cylinder: 1 pulse per revolution
Most engines are either 1 or 6 pulse per revolution
Jabiru Engines w/ Inductance Sensor: 2 pulses per revolution, red wire to RDAC, black wire to ground, HI-GAIN on
Unit not holding date/time and Hobbs settings in memory
The internal CR2032 watch batteries in the MGL Avionics EFIS can be found at any electronics store or similar. They are used to store date and time settings, as well as Hobbs time, maintenance timers and map declutter settings. These batteries are ...
UMA Tach Sender Manual
Attached is the manual for the UMA Tach Sender for Bendix or Slick Magnetos / Mags. This is the recommended method for pickup up an RPM signal from a Lycoming or Continental engine.
Engine Senders Setup - Getting Indications to Read Correctly
When you suspect an engine sender is not reading correctly, the steps to correct the problem are as follows: STEP 1: CHECK GROUNDING TO ENGINE BLOCK 95% of all engine sender reading trouble is cause by insufficient Reference Ground to Engine Block. ...
XTreme EFIS / EMS Wiring Schematic (engine only) - CAN bus
Simple XTreme EFIS/EMS to RDAC XF harness schematic. Click here for full XTreme EFIS harness schematic.
RDAC VD Reference Ground to Engine Block
On the RDAC VD, the Reference Ground wire is the bottom terminal on the RDAC, labelled REF GND. This terminal should go straight to Engine Block. Important: Read this article on why an Engine Block Reference Ground is critical for accurate engine ...