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Precision Airmotive Eagle EMS

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Paul Valovich

Joined: 11 Jan 2006
Posts: 75

Posted: Thu Aug 30, 2007 7:20 am Post subject: Precision Airmotive Eagle EMS

Indecision is once again the key to flexibility! After several job-related delays, I’m REALLY at the engine-ordering stage of my -8A project. I’ve decided on an Aerosport 180 hp fuel injected engine and initially thought dual Lightspeed ignition was the way to go. However, I’ve now heard of the Precision Airmotive Eagle EMS and am somewhat intrigued.   

   

Anyone have any experience – or opinions?  

Paul Valovich  

Ridgecrest, CA  

N192NM Reserved  

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ronlee(at)pcisys.net
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Posted: Thu Aug 30, 2007 9:31 am Post subject: Precision Airmotive Eagle EMS

While it sounds interesting I would like to see  reasonable field use reports.  

  

 I am not one to be an early adopter of new aviation  items like this.  Nor am

 I a fan of FADEC like systems.  I have seen  one and it struck me as too

 complex, expensive, possible heavy and it "may"  have been at fault in the 

 forced landing of a 7A that was essentially  destroyed.

  

 I like to lean my mixture after start up to taxi  and after landing to minimize

 plug fouling.  That apparently is not possible  with this system so I would

 guess (not verified) that foiled plugs may be more  common than with my

 carbureted, manually leaned system.

  

 I definitely see no reason to change from what I  have.  With a new purchase 

 it may make sense for some but with my perhaps  close-minded view, I would 

 stick with your original plan.

  

 A mag and one Lightspeed do provide different  ignition failure modes.

  

 Ron Lee

  

  

  

  

  

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ronlee(at)pcisys.net
Guest

Posted: Thu Aug 30, 2007 9:33 am Post subject: Precision Airmotive Eagle EMS

I just reread your ignition choice and see that you  are planning DUAL

 Lightspeeds versus my one (plus a mag).   Lightspeed is the only system

 that I would do that with.  

  

 Ron Lee

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Bret Smith

Joined: 09 Jan 2006
Posts: 178
Location: Mineral Bluff, GA

Posted: Thu Aug 30, 2007 10:09 am Post subject: Precision Airmotive Eagle EMS

I talked with them this year at SnF and was also  intrigued.  I really don't know where I would install the large CPU module,  though.  I also understand that it is still in development with only one  model actually being tested..i.e. there is NO history yet on how well it  performs.

  

 Gonna watch closely...

  

 Bret Smith

RV-9A "Fuselage"

Blue Ridge,  GA

www.FlightInnovations.com

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_________________
Bret Smith
RV-9A (Emp)

ronlee(at)pcisys.net
Guest

Posted: Fri Aug 31, 2007 7:03 am Post subject: Precision Airmotive Eagle EMS

Another opinion.  This is from today's AOPA  newsletter.  Note the part about the FADEC resetting.

  

 DOUBLE ENGINE  FAILURE PROMPTS DIAMOND AD PROPOSAL

The FAA is  proposing an airworthiness directive  (AD) for the Diamond DA42 Twin Star. The AD would require additional backup  batteries for the full authority digital engine controls (FADECs) on TAE125-01  and TAE125-02-99 engines. This action was prompted by the in-flight shutdown of  both TAE 125-01 engines on a DA42 flying over Germany in March. The pilot of the  aircraft took off with an insufficiently charged aircraft battery. During a  moment of low voltage when the aircraft's landing gear was retracting, the FADEC  reset. This shut down the engines and caused the propeller blades to feather.  Diamond has said that it will cover the cost of the battery installation,  regardless of an AD. For more information, see Diamond's service bulleti!  n."

  

Source AOPA ePilot, Volume 9, Issue 35 • August  31, 2007 

  

  

 

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