>> Hi Paul,
    >>
    >> I did my first taxi test last Friday.  I taxied for about 30
    >> minutes and it didn't even get close to overheating.  Of course, the
    >> Texas summer isn't here yet, so we'll have to wait and see how
   it does
    >> then.  Everything worked as intended and it was great to
   experience my
    >> little creation moving under its own power.  First flight is still a
    >> month or so off.
    >>
    >> Thanks,
    >> Mark S
    >>
    >> Congratulations Mark. Your 3 rotor engine installation looks great.
    >> Got any later pictures?
    >>
    >> Paul Lamar ...No rotor no motor.
    >
    > Congratulations Mark.
    >
    > If you don't mind a bit of critique...
    > I notice you have some long runs of stainless braided hose which
   look
    > poorly
    > supported. This stuff acts like a saw on aluminum with the a bit a
    > vibration. Especially where it loops between the cooler and the
   PSRU it
    > would appear that it could saw on the Al coolant system parts.
    >
    > Have a read up on the firewall forward section of AC 43 -13
    >
    > Properly supporting lines hoses and wiring firewall forward is
    > something
    > Cirrus does very poorly. The SR22 I did an import inspection on
   looked
    > like
    > it was asking for all sorts of sensor harness problems in a couple of
    > hundred hours.
    >
    > Regards,
    > Mark Wrathal
    >
    >
    >
    >
    > Hi Mark,
    > Not a problem, I welcome any constructive criticism.  Sometimes
    > pictures
    > can be deceiving.  As in the line going between the oil cooler outlet
    > and the psru inlet.  It is a -4 and only about 6" long and not even
    > close to touching anything else.  Originally, it was aluminum
   tubing,
    > but I didn't feel comfortable with that, so I changed it to
   braided SS.
    >
    >
    > Some of the other lines may need to be tied down better. I'll look at
    > that again tomorrow.  If you look closely you will see that I used
    > rubber snubbers wherever two lines crossed.  An old airport bum
   showed
    > me that trick (using a piece of heater hose and run a tie wrap
   through
    > the center and around both lines).  It keeps them from rubbing
   and also
    > from moving around and touching against anything else.  I used some
    > ADEL
    > clamps in various places to support hoses and keep them from touching
    > (such as the line going past the alternator, or the long one
   going from
    > front to rear over the top of the engine.  It has two clamps
   (maybe it
    > needs two more?).
    >
    > Thanks for mentioning this.  I'll look at it again with a more
   critical
    > eye.
    >
    > Mark S.
    >


   Hi Mark,
   Question for you: What didn't you like about using aluminum/SS tubing?
   Bruce Belligan

   Bruce,


One other thing I forgot to mention is that the oil cooler is shock
mounted.  That would allow movement between the oil cooler and the
psru.  So, it needs flexible lines.

Mark S.


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