>Re: Hobbs Meter
>I have a Hobbs meter, the installation diagrams of which show connection to
>the ignition switch or via an oil pressure switch. I have a standard
>ignition switch, i.e. put the key in and turn for 'Left', 'Right', 'Both'
>and 'Start'.
>Can't see how you could attach the Hobbs to the ignition switch as the Mag
>positions just 'unground' the mags, and the Start position just provides
>power to the start solenoid for as much time as you hold it in that
>position. Am I missing something?
>Not having an oil pressure switch (yet) I'm just wondering if one can be
>used on the Rotax engine - is it electrical or mechanical? (is it attached
>to the oil return line somewhere). I'd like to know before I buy one.
I don't think you can connect it to the type of switch you are using.
We have connected the hobbs to the avionics master. That way we could ground
run the aircraft without clocking up lots of hours.
Dave Watts 'XDY
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