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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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 Posted: Thu May 24, 2012 4:53 pm Post subject: Test Flight |
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Kolbers:
Yesterday installed new NGK DCPR8E spark plugs, new carb boots, and my newly
repaired and modified Titan exhaust system.
Today I got an hour's flight time, first flight since I landed on my return
from Lakeland two months ago. Neither the MKIII or I had forgotten how to
fly.
All went well. Had a great flight and refresher on what a great little
airplane the 20 year old MKIII is.
After landing at Gantt International Airport, I let the engine idle, got out
to check the exhaust and other stuff on the airplane. Noticed something
dripping from the fuel pump on the 912ULS. Shut down the engine and
discovered the fuel pump is leaking and will have to be replaced. Glad I
discovered the leak when I did. Strictly by fate.
Much rather find it now than half way across the country next month.
john h
mkIII
Titus, Alabama
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Fri May 25, 2012 5:11 am Post subject: Test Flight |
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" Shut down the engine and discovered the fuel pump is leaking and will have
to be replaced "
Folks:
Should have indicated the fuel pump that failed on the 912ULS is the engine
driven pump. Nothing more than a Pierberg automotive pump, but Lockwood
wants 167.84 for the pump and nearly 45.00 for the gaskets and spacer.
Maybe I should have bought a Jabiru. 
john h
mkIII - 3,131.1 hours
912ULS - 562.6 hours
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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Mike Welch
Joined: 13 Feb 2011
Posts: 272
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Fri May 25, 2012 9:09 am Post subject: Re: Test Flight |
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Most of the parts on a Jabiru that need periodic replacement, are auto parts.
Examples:
coils (mags)
distributors/caps/rotors
starter
valves and seats
pistons
rings
pushrods
connecting rods (I think)
mechanical fuel pump
are automotive parts whose auto brand and p/n are known and published.
The cost (including labor) of a top overhaul - at 1,000 hour intervals, for the 4 cylinder Jabiru typically is about $1,000 (~60% of which is labor). The major overhaul (2,000 hours) is about double that. The 120hp 6 cylinder is about 50% higher.
Yes, there have been quite a number of Jabiru engines reaching TBO with proper and regular maintenance, so the TBO numbers are realistic if maintained and operated properly.
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
- Anonymous |
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