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Starter switch for LASAR ignition

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KeithHallsten(at)quiknet.
Guest

Posted: Mon Jul 31, 2006 8:05 pm Post subject: Starter switch for LASAR ignition

Does anyone know whether there would be a problem using a separate starter push button with a LASAR electronic ignition?  All of Unison Industries’ documentation shows the classic “OFF – LEFT – RIGHT – BOTH – START” keyswitch, but I would rather have the option to get the engine turning before firing up the ignition.  I don’t know if the LASAR will be happy starting on only one ignition, or coming alive when the engine is already moving.  I bought a starter pushbutton form B&C a few years ago, before I was committed to the LASAR ignition, and I’d still like to use it.  

Keith Hallsten  

Velocity XLFG, N585V (reserved)  

Roseville, CA

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Dale Ensing

Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC

Posted: Tue Aug 01, 2006 7:55 am Post subject: Starter switch for LASAR ignition

Keith,

 To my knowledge the LASAR will operate (start the0 engine) if the engine is already in motion before the ign. is turned on.  However, if you try to start on only one mag the LASAR will go into backup mode0 and will not go to automatic mode for 30 seconds. In backup mode the0 LASAR mags have no provision for providing for boosted spark energy. So, unless0 you have one of the newer systems with one impulse mag (my 1999 vintage system0 does not) the LASAR must be windmilled to over 500 RPM to start in the backup0 mode. That is how in-flight restarts are accomplished. And when you do a mag0 check the system will remain in back up mode for 30 seconds before returning to0 the automatic mode. Also, I hope you have the optional system with the0 cockpit enunciator light. I like to know the system is working properly.  It helps for the piece of mind.

 Dale Ensing

  

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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC

PeterHunt1(at)aol.com
Guest

Posted: Tue Aug 01, 2006 4:31 pm Post subject: Starter Switch for LASAR ignition

Keith,

  

 LASAR comes with an on/off switch (and warning light which illuminates0when0 it is off).  Lycoming claims better starting with LASAR and that has been0 my experience.  I have LASAR ignition and a push button start switch (no0 off-left-right-both switch).  My start-up procedure involves turning the0 LASAR on, turning mags "on" (which disconnects the mag grounds), setting carb0 heat, throttle, prop, and mixture and then pressing the start button. 0 While my engine is running I can turn my LASAR on and off without the engine0 even missing a beat.  I have even been taking off with my LASAR off to0 help a CHT overheating problem.  (Lycoming has admitted to me that their0 LASAR causes higher CHTs on climb out and suggested turning it off during that0 period.)

  

 Pete in Clearwater

 RV-6, Reserve Grand Champion Sun n' Fun 2006

 All electric panel

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