If you have a distributor you probably can but most computerized systems
using a crank angle sensor (the EC2 included) have to turn over a full

turn

before the ECU figures out where the engine is and generates the first
spark.  It would be incredibly dangerous to try hand proping this
combination.  On the class of aircraft able to use 160 - 200 HP, you can
afford the 7.5 pound weight penalty of a starter.

Tracy Crook
tcrook@rotaryaviation.com
www.rotaryaviation.com

I hate to say this Tracy because I know you have a full plate.
Klaus (LSE) arranges his ignition system to fire on top dead center
until the engine starts. This is for hand propping reasons.
I watched him hand prop his airplane many many times and it almost
always starts on the first fling.

Paul Lamar

Yes, this can be done if you use a custom crank sensor like used on Klaus'
system.  Problem with the stock Mazda sensor is that you only get the
primary timing signal once per revolution and only for rotor 1.

Which rotor is considered rotor 1 ( as opposed to AirForce 1 :-) )

Royce

Front rotor in the car.

Paul Lamar
 
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