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1. 07:19 AM - Re: JabiruEngine-List Digest: 2 Msgs - 04/18/15 (Rick Stockton)
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| Subject: | Re: JabiruEngine-List Digest: 2 Msgs - 04/18/15 |
I=C2-would not be to concerned with the lower fuel pressure.=C2- Temper
atures are warner now than in December, so the fluid (fuel) might be thinne
r.=C2- Sounds like you have a MGL or Dynon .=C2- What I'd be looking at
is the fuel flow to the engine.=C2- In December what was the fuel flow p
er hour.=C2- Should be close to 10.5 gallons on take off and climb out.
=C2- What are your EGT's showing; should be in the 640C range then when y
ou pull power back to the 3/4 position they should go up to 680C.
Rick Stockton
Europa N120EJ
Jabiru 3300
100%
On Sunday, April 19, 2015 12:21 AM, JabiruEngine-List Digest Server <j
abiruengine-list@matronics.com> wrote:
*
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Messages Posted Sat 04/18/15: 2
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Today's Message Index:
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=C2- =C2- 1. 03:46 PM - Fuel Pressure=C2- (BobbyPaulk@comcast.net)
=C2- =C2- 2. 06:11 PM - Re: Fuel Pressure=C2- (Gary Aman)
________________________________=C2- Message 1=C2- ____________________
_________________
Time: 03:46:38 PM PST US
From: BobbyPaulk@comcast.net
Subject: JabiruEngine-List: Fuel Pressure
List
Today was the first flight on the Jabiru 3300 since my off field landing ba
ck 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 k
ept
the electric boost pump on.
The engine has not been run since the first of December 2014. Question: Sho
uld
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 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
________________________________=C2- Message 2=C2- ____________________
_________________
Time: 06:11:33 PM PST US
Subject: Re: JabiruEngine-List: 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 min
u
s. I have my low pressure alarm set at 1.8 so I kept getting an alarm unles
s
I kept the electric boost pump on.
> The engine has not been run since the first of December 2014. Question: S
h
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 ju
s
t before rotation speed. I attribute that to the new Rotek E-mag and the ne
w
er Honda ignition coil.
>
> Bobby=C2- ( age 76 )
> Zodiac 601 XL "B"
> Jabiru=C2- 3300=C2- S/N=C2- 1141
> Sensenich 64" x 51" Prop
> Bing Carb 260 Main & 290 Needle Jet
> Status - Flying=C2- 236 hrs.
>
> Do Not Archive
>
>
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=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
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