Today's Message Index:
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0. 12:02 AM - [Please Read] What are "The Lists" and Who's This Matt Dralle? (Matt Dralle)
1. 03:28 PM - FW: Stripped Thread Question? (Jeffrey J Paris)
2. 11:48 PM - Re: Stripped Thread Question? (jetboy)
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| Subject: | [Please Read] What are "The Lists" and Who's This Matt |
Dralle?
Dear Listers,
Who is Matt Dralle and what exactly are these Lists? Well, I've been working in
the information technology industry for nearly 25 years primarily in computer
networking design and implementation. I have also done extensive work in web
development and CGI design during that time, along with some embedded system
development as well.
I started the Matronics Email Lists back in 1990 with about 30 fellow RV builders
from around the world. Since that time, I have added 63 other kinds of aircraft
related Lists to the line up and numerous other List related services such
as the Forums, Wiki, Archives and Search Engine just to name a few.
For flexibility and reliability, I have chosen to run all of my own servers here
locally. Other List-related systems include a 1 Gigabit, fully switched network
infrastructure, a commercial-grade Netscreen firewall, a Barracuda spam filter,
a local T1 Internet router, and a commercial-grade business T1 Internet
connection with full static addressing.
The computer servers found here include a quad-processor Xeon Linux server for
List web services, a dual-processor Xeon Linux system dedicated to the email processing
List functions, and another P4 Linux system serving as a remote storage
disk farm for the archives, databases, and for an on-line hard drive-based
backup system with 3.2 Terra Bytes of storage! This entire system is protected
by three large, commercial-grade uninterrupted power supply (UPS) systems that
assure the Lists are available even during a local power outage! Speaking
of power, imagine how much electricity it takes to run all of these systems. One
month last Summer, I had a staggering $1368 bill for electricity alone!
I recently upgraded all of the computer racking infrastructure including new power
feeds and dedicated air conditioning for the room that serves as the Computer
Center for the Matronics Email Lists. Last year I added another rack to
house the MONSTER quad-processor web system that didn't quite fit into the first
rack! Here's a composite photo of the List Computer Center before the addition
of the second rack:
http://www.matronics.com/MattDralle-ListComputerCenter.jpg
As you can see, I take running these Lists very seriously and I am dedicated to
providing an always-on, 24x7x365 experience for each and every Lister.
But building and running this system isn't cheap. As I've stated before, I don't
support any of these systems with commercial advertising on the Lists. It is
supported 100% through List member Contributions! That means you... and you...
and YOU!
To that end, I hold a List Fund Raiser each November and ask that members make
a small Contribution to support the continued operation and upgrade of this ever-expanding
system. Its solely YOUR Contributions that keeps it running!
Won't you please take a moment to make a Contribution to support these Lists!
http://www.matronics.com/contribution
Or, by dropping a personal check in the mail to:
Matronics / Matt Dralle
PO Box 347
Livermore CA 94551-0347
USA
(Please include your email address on the check!)
There are some great gifts available with qualifying Contribution levels too!
Thank you!
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | FW: Stripped Thread Question? |
Hi Listers,
I was doing my annual condition inspection on the Zenith CH601XL/ JABIRU 3300 this
past weekend. (182 total hours engine and airframe) While I was putting one
of the valve covers back on the engine I noticed a little bit of an aluminium
burr in one of the bolt holes for the 5/8 X 1/4 UNC Socket Head Cap Screws Jab
# PH72624. I ended up pulling quite a long "curly-Q" piece of the burr out
of the hole. For the most part it is stripped.
With that in mind, What would be the best way to repair the stripped hole? I have
been looking at18-8 Stainless Steel Helical Inserts to make the repair.
Or do you re-tap the hole to the next larger size bolt? Any other Ideas? Can't
seem to find anything in any of the "FAA Standard Practices" books on what to
do.
Let us know at your earliest convenience. Thank you for your time and consideration.
Jeff and Peter Paris
N196ZP
_______________________________________________
Join Excite! - http://www.excite.com
The most personalized portal on the Web!
Message 2
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| Subject: | Re: Stripped Thread Question? |
Jeff,
I would use Helicoil or similar inserts. The ones I used for an alloy engine
head came with the drill, tap and inserting tool. I'm contemplating having
to do this for the spark plug threads one day - surprised they are not already
fitted because my Continental 0-200 (SA) heads had them from new and the NGK
plugs seem to mess the threads on the way out as if they have too much thread
in the cyl.
Ralph
--------
Ralph - CH701 / 2200a
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=149019#149019
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