JabiruEngine-List Digest Archive

Sat 04/18/15


Total Messages Posted: 2



Today's Message Index:
----------------------
 
     1. 03:46 PM - Fuel Pressure (BobbyPaulk@comcast.net)
     2. 06:11 PM - Re: Fuel Pressure (Gary Aman)
 
 
 


Message 1



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    Time: 03:46:38 PM PST US
    From: BobbyPaulk@comcast.net
    Subject: Fuel Pressure
          
      List 
      Today was the first flight on the Jabiru 3300 since my off field landing back in
      December ( due to both ignition coils being wiped out ). 
      I noticed the fuel pressure had dropped from 1.8 ~ 2.1 to 1.4 plus or minus. I
      have my low pressure alarm set at 1.8 so I kept getting an alarm unless I kept
      the electric boost pump on. 
      The engine has not been run since the first of December 2014. Question: Should
      I be concerned about the 1/2 lb. pressure drop or is it a case of TMI ( too much
      information ). 
      I know of at least two guys that do not even have a fuel pressure gauge. 
      Anyone have any idea how long the engine driven fuel pump is good for. It has 236
      hours on it but it is at least 8 years old. 
      By the way I noticed my maximum RPM on take off went from 2600 to 2720 just before
      rotation speed. I attribute that to the new Rotek E-mag and the newer Honda
      ignition coil. 
      
      Bobby ( age 76 ) 
      Zodiac 601 XL "B" 
      Jabiru 3300 S/N 1141 
      Sensenich 64" x 51" Prop 
      Bing Carb 260 Main & 290 Needle Jet 
      Status - Flying 236 hrs. 
      
      Do Not Archive 
      


    Message 2

    

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    Time: 06:11:33 PM PST US
    Subject: Re: Fuel Pressure
    From: Gary Aman <zeprep251@aol.com>
          
      Have 930 hrs on original pump, no pressure gauge, but turning 3100 on take o
      ff. 
      
      Sent from my iPhone
      
      > On Apr 18, 2015, at 6:43 PM, BobbyPaulk@comcast.net wrote:
      > 
      > List 
      > Today was the first flight on the Jabiru 3300 since my off field landing b
      ack in December ( due to both ignition coils being wiped out ).
      > I noticed the fuel pressure had dropped from 1.8 ~ 2.1 to 1.4 plus or minu
      s. I have my low pressure alarm set at 1.8 so I kept getting an alarm unless
       I kept the electric boost pump on.
      > The engine has not been run since the first of December 2014. Question: Sh
      ould I be concerned about the 1/2 lb. pressure drop or is it a case of TMI (
       too much information ).
      > I know of at least two guys that do not even have a fuel pressure gauge.
      > Anyone have any idea how long the engine driven fuel pump is good for. It h
      as 236 hours on it but it is at least 8 years old. 
      > By the way I noticed my maximum RPM on take off went from 2600 to 2720 jus
      t before rotation speed. I attribute that to the new Rotek E-mag and the new
      er Honda ignition coil. 
      > 
      > Bobby  ( age 76 )
      > Zodiac 601 XL "B"
      > Jabiru  3300  S/N  1141
      > Sensenich 64" x 51" Prop
      > Bing Carb 260 Main & 290 Needle Jet
      > Status - Flying  236 hrs. 
      > 
      > Do Not Archive
      > 
      > 
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3
      D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
      > 
      

    

    


    

    

    

    

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