Ed Anderson wrote:

Hi folks,
    Just wanted to let you know I landed from a delightful two hour flight
during which I may add - there was not a hint of engine surge.   I may have
left a black smoke trail during takeoff and climb out as the injector
setting was a mite on the rich side {:>)..

   Got up to 8000 ft over an airport with a LONG runway and started
adjusting the timing for the higher rpm ranges.  Just for info, it will run
on considerably richened mixture much better on one that is  too lean.
Appear to have a noticable increase in power with shorten takeoff roll and
ROC over 1000 fpm.  I did not push it this time and did not touch the
throttle from take off until I got to 5000 MSL.  I also kept the prop loaded
by keeping the airspeed around 85 - 90 mph in the climb which kept the
engine rpm around 5300 rpm (just in case my timings for the 5300+ range were
less that optimum {:>)

.  After 5000 msl I very cautiously moved the mixture control nob and leaned
it out a bit.  But the mixture control was unable (only +-10%) to fully
remove the rich condition, so I was a 8000 ft reducing the injector timing
via Laptop (certainly not as flyer friendly as Tracy's method)..  The engine
hiccups each time I enter a new setting as the EFI CPU apparently takes a
fraction of second to load and store the new setting.

     Landed after two hours and found oil on the underbelly, my Ross PSRU
seal which had been leaking a few drops apparently did not fare well over
the winter and was leaking badly.  This is the third time I have replaced
the PSRU rear seal and all have leaked.

   If anyone has replace the Ross PSRU rear seal and not have it leak, I
would sure like to know the make and partnumber of the seal you used.  Just
a pain in  the neck to have to take off the PSRU just when I returned to
flying.  But, need to do that before heading for Sun and Fun.

 Tracy, what kind of trade in can I get for a Ross PSUR??

  The engine responds much nicer with the new intake.  Due to the larger
runners of the previous intake, even adjusting the "Accelerate PumP"
function never would completely eliminate the momentary "gasp" of the engine
if I opened it fast. No such condition with this intake.

    I kept the rpm below 5800 rpm this flight, but will open it up on later
flights.

Anyhow, that was the excitment for this flight.

Ed

Ed Anderson
RV-6A N494BW Rotary Powered
Matthews NC
eanderson@carolina.rr.com

 
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