REFLECTOR: Running LOP

[steve korney]

Hi Scott...

I don't see anything magical in a full flow injector that is made for 
Lycoming by GAMI that's different from the ones that Lycoming makes...  We 
can tune them all the same...

Best... Steve



----Original Message Follows----
From: Scott Derrick <scott at tnstaafl.net>
Reply-To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
To: Jim Agnew <Jim_Agnew_2 at yahoo.com>,        Velocity Aircraft Owners and 
Builders list <reflector at tvbf.org>
Subject: Re: REFLECTOR: Running LOP
Date: Fri, 15 Dec 2006 16:51:49 -0700







Really, my IO-360 200HP didn't? The fuel distribution was horrible..
over 1.5 GPH from first to last.



Whats your range?  Tuned doesn't necessarily mean equal length.  Of
course  precision injectors that match can make a huge difference.
Cheapo injectors like Lycoming makes and the best tuned intakes are a
waste.



Scott



Jim Agnew wrote:




Sorry Scott,



My Lycoming IO-360 200HP angle valve has tuned intakes so they at
least moved up to the 50's!



Jim



James F. Agnew

Jim_Agnew_2 at Yahoo.Com

Tampa, FL

Velocity 173 Elite Aircraft Completed & Flying




   -----
Original Message ----

From: michalk <michalk at awpi.com>

To: Velocity Aircraft Owners and Builders list
<reflector at tvbf.org>

Sent: Friday, December 15, 2006 12:52:02 PM

Subject: Re: REFLECTOR: Running LOP



   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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