The way to love someone
is to lightly run your finger over that person's soul
until you find a crack,
and then gently pour your love into that crack.
~Keith Miller

Tuesday, January 21, 2014

list'ning to … JJ Cale … and scouring the manuals

uh huh …
Everyone out the front door early this morning, except the cats … there is a debate about whether or not to get them "fixed" … I say absolutely yes, it makes no sense to encourage them to contribute to the  homeless kitty population … that's how these goofballsoffur come to be in our home in the first place … I say nip that in the bud so to speak … but/and other voices say it's just not right … so, this morning the three follow me about meowing, working in concert for the fast break. They are such little wankers!  I attempt to overlay their chatter with the laconic purring of Mr. JJ Cale.  Ahhh … makes me want to sit right here and go somewhere.  I like this album. L asked me "what" I'm going to do today … and I have a long list of shoulds  … I should go see about that little CTSW.  It is flipping out warnings on too high tach and not responding as needed to throttle settings … took 30 minutes  hobbs to get the oil temp up high enough for the run up, then two quick laps in the pattern chilled it back down to "fussing".  I'm reading up on the Rotax 912ULS3

Before starting the engine, read the Operator ́s Manual, as it contains important safety relevant information. Failure to do so may result in per- sonal injuries including death. Consult the original equipment manufactur- ers handbook for additional instructions! 


Although the mere reading of these instructions will not eliminate a hazard, the un- derstanding and application of the information herein will promote the proper use of the engine.

yes,yes, looking, looking   


WARNING: Never fly the aircraft equipped with this engine at loca- tions, airspeeds, altitudes, or other circumstances from which a successful no-power landing cannot be made,
after sudden engine stoppage.

yess, yes, okay  (yeah)  

any engine may seize or stall at any time 

com'on  please  where's the poop on the wackytachy


4-stroke, 4 cylinder horizontally opposed, spark ignition engine, one central cam- shaft - push-rods - OHV
Liquid cooled cylinder heads
Ram air cooled cylinders
Dry sump forced lubrication
Dual breakerless capacitor discharge ignition 2 constant depression carburetors mechanical fuel pump

Prop drive via reduction gear with integrated shock absorber and overload clutch 

(totally unnecessary graphics, just like the tidiness, engines are simply elegant … there's a reason this little guy is annunciating)

  1. Oil pressure:
    max. .................................................... 7 bar
    CAUTION: For a short period admissible at cold start.
    min. ..................................................... 0,8 bar (12 psi) (below 3500 rpm) normal ................................................. 2,0 - 5,0 bar (29 - 73 psi) (above ............................................................ 3500 rpm)
  2. Oil temperature:
    max. .................................................... 140 °C..............(285 °F)
    min. ..................................................... 50 °C................(120 °F)
    normal operating temperature............. approx.. 90 - 110 °C (190 - 230 °F)

    1. Cylinder head temperature:
      max.....................................................150 °C (300 °F)
      Permanent monitoring of coolant temperature and cylinder head temperature is necessary. 
      1. Engine start, operating temperature:
        max...................................................... 50 °C .............. (120 °F) min.......................................................-25 °C .............. (-13 °F)
      2. Fuel pressure:
        max......................................................0,4 bar ............. 5,8 psi) min.......................................................0,15 bar ........... 2,2 psi)
        WARNING: Exceeding the max. admissible fuel pressure will over- ride the float valve of the carburetor and to engine failure.  

        (what, huh?  and to engine failure  and lead to? and contribute to? typo on the warning label can't be good  they spend so much time screwing these docs down tight I'm surprised at this little "burp")

      Nothing in the EMS manual or the EFIS manual specific to my little problem.  The EMS may be toggled to store operational data … that's cool.  That's a place to look.
      screen shot of similar display 



    the warning display reads "high tachometer alarm" … retarding the throttle didn't illicit a reduced rpm response  After calling my controls I told student to snap some pics of the displays so we could figure the problem out on the ground.  On this plane the RPM info is top left arc, MP middle arc, oil pressure top half of right hand circle with the oil temp using the bottom half of the circle, below that is the fuel gph, and those bars are as above, volts top, amps below … EGT displayed all green mid screen horizontal bars, with the CHT (suddenly) in cautionary range … no cowl flaps to open or close and I know these are flown in colder climates … thinking about shock cooling … this pic taken after an abbreviated turn to DW about 700' above the surface here … alarms off at about 300' into the climb on departure after a touch and go

    Well … I'm figuring it out.  All morning to read through all the little manuals and not much closer!


    This also today:

    V created this red bird from duct tape Christmas 2012

    and fresh Vans for Spring

    and this … an intentional approach … 

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