Bill

        For a P-ported 13B do you have any idea of the flow and
   pressure the
        injected air would need to be at?  I am considering it as an
        addition to the
        Inconel spin muffler.

        DougFir
        ----------------
        I have no idea, I strongly suspect that the energy costs of pumping
        the air
        in would exceed the energy increase in the extraction process.

        There were, before widespread use of catalytic converters, air
        injection
        pumps in an attempt to lower emissions. These operated to
   inject air to
        complete the combustion of the unburned HC. However I have no idea
        how much
        power that they took to operate.
        Bill Schertz
        KIS Cruiser # 4045

   The airpump can do double duty..  Some people are still using vacuum
   powered flight instruments (quaint reasons, I suppose), and are using
   the input side of airpumps (smog pumps) to drive them.  So, use the
   input side to drive your steam gages, and the output side to cool and
   continue to combust the exhaust stream..

   PS..  I just got back from Paris and London..  Made it with my Dad to
   Duxford and Hendon air museums.  What a hoot.  Hendon has a magnificent
   display.  Duxford has a runway...  The thing that I found most
   interesting was the method that the high performance fighters used to
   cool oil and water..  Almost all of them had at least one goofy looking
   scoop somewhere on the airframe.  Including the Hawker Tempest and
   Typhoon.  The Me109 had an interesting integration between the wing flap
   and heat exchanger.  None of these airplanes would be considered slow.


   Regards,

   Matt-

   Did you take any pictures Matt?

   I enjoyed Duxford too. Did not get to Hendon yet.
   Here is a picture or two of the Me109 stuff.

   Don't forget guys... closing down first thing tomorrow morning.

   Paul Lamar ...No rotor no motor.


I took quite a few pics (at both museums)..  I just moved abodes too, so
my internet connection at home is pretty slow (where the pics are) - to
be fixed Friday with cable modem.  I'll see if I can send some pics
after you get back from OSH.  Please remind me.  I tried to concentrate
some of the shots at items that would be relevent to our airplanes -
difusers and such..

Hendon has an amazing variety of rare airplanes, including at least one
FW190, a Ju87, a Ju88, an He111, an He162, an He262 a Lancaster, a
Halifax, a Kawasaki KI100 (very pretty airplane), a Tempest, a Typhoon,
and many more.  Hendon can be reached via the Norther Line of the Tube
(zone 4 - 1lb each way in addition to a zone 1&2 Oyster Pass), so it's
relatively easy to get to.  Admission to the museum is free.  If you
like airplanes, plan 3+ hours at the museum, plus transit times.

Duxford had 2 real Storchs (among lots of other great stuff), which I
found pretty exciting..  :)  Going to Duxford by train was fun - the
train (not a highspeed) reaches over 100mph at times.

I used to think Spitfires and Hurricanes were rare..  Until I went to
England.

A great trip..  Took the Eurostar through the from Paris to London.  The
tracks through the Chunnel are perfect - not a wiggle for 20+ minutes.

The previous trip, my dad and I went to Le Bourget.  Also a very good
museum, though the bus ride up there was, umm, cultural..  :)


Matt-

Diplomatically put Matt :)

Paul Lamar ...No rotor no motor.

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