REFLECTOR: Running LOP

[michalk]

I'm rolling my own EFI backup system.  It's taken quite a while, but I 
think I'm almost there.

len.baxter at gm.com wrote:
> 
> When using a ECM like Autronic, what are you doing for redundancy??
> 
> 
> Len Baxter
> XL-RG
> 
> __________________
> 
> 
> For my fuel tables on the Autronic, I am going to have areas designated
> for LOP ops.  No mixture knob, the engine will automatically run in that
> regime.
> 
> Scott Derrick wrote:
>  > Steve,
>  >
>  > Because some of the engine monitor companies still live in the 40's like
>  > Lycoming does..
>  >
>  > There isn't a fuel injected automobile made today that doesn't run LOP
>  > either all the time or automatically adjusts to it when it can.
>  >
>  > ROP operations are used on most Lycomings and Continental engines
>  > because the fuel distribution is so god awful you have to waste 10% to
>  > 30% of your fuel to get a semblance of smooth running.  This came to be
>  > because it was easy(lazy) and gas was cheap in the 40's.
>  >
>  > 60 years later Continental is making their version of precision
>  > injectors(been on cars for 20 years) for some of their big bore engines,
>  > Lycoming is still running in the "Up and Locked" position. I'm not sure
>  > if either company has heard of tuned induction or tuned exhaust, give um
>  > a couple more decades and they'll come around.
>  >
>  > Vision's VM1000C  has a LOP lean-to-find function as do a couple others.
>  > GRT told me they are in the process of adding it.
>  >
>  > Scott
>  >
>  > steve korney wrote:
>  >
>  >>
>  >> (Snip)...A LOP lean-to-find option is nice on an engine monitor but
>  >> most just
>  >> offer a ROP lean-to-find..
>  >>
>  >> Wonder why that is Scott...
>  >>
>  >> Best... Steve
>  >>
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