Today's Message Index:
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0. 01:10 AM - PLEASE READ - Matronics Email List Fund Raiser During November! (Matt Dralle)
1. 05:47 AM - Re: Spark Plug Wires (Catz631@aol.com)
2. 07:52 AM - Re: Spark Plug Wires (Lowell Fitt)
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| Subject: | PLEASE READ - Matronics Email List Fund Raiser During |
November!
Dear Listers,
Each November I hold a PBS-like fund raiser to support the continued operation
and upgrade of the Email List and Fourm Services at Matronics. It's solely through
the Contributions of List members (you) that these Matronics Lists are possible.
You have probably noticed that there are no banner ads or pop-up windows on any of the Matronics Lists or related web sites such as the Forums site http://forums.matronics.com , Wiki site http://wiki.matronics.com , or other related pages such as the List Search Engine http://www.matronics.com/search , List Browse http://www.matronics.com/listbrowse , etc. This is because I believe in a List experience that is completely about the sport we all enjoy - namely Airplanes and not about annoying advertisements.
During the month of November I will be sending out List messages every couple of
days reminding everyone that the Fund Raiser is underway. I ask for your patience
and understanding during the Fund Raiser and throughout these regular messages.
The Fund Raiser is only financial support mechanism I have to pay all
of the bills associated with running these lists. YOUR personal Contribution
counts!
This year we have a really HUGE and TERRIFIC line up of free gifts to go along
with the various Contribution levels. In fact, there are over 30 different gifts
to choose from - more than we've ever had before! There's something for everyone,
to be sure. Most all of these gifts have been provided by some of the
vary members and vendors that you'll find on the Matronics Lists and they have
been either donated or provided at substantially discounted rates.
This year, these generous members include:
Andy Gold of the Builder's Bookstore http://www.buildersbooks.com
Andy is a very generous guy and I encourage you to visit his web site. I would
like publicly to thank Andy for his generous support of the Lists again this
year!!
Please make your List Contribution using any one of three secure methods including
using a credit card, PayPal, or by personal check. All three methods afford
you the opportunity to select one of this year's free gifts with a qualifying
Contribution amount!!
To make your Contribution, please visit the secure web site:
http://www.matronics.com/contribution
I would like to thank everyone in advance for their generous financial AND moral
support over the years!
Thank you!
Matt Dralle
Matronics Email List Administrator
RV-4/RV-6/RV-8 Builder/Rebuilder/Pilot
Message 1
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| Subject: | Re: Spark Plug Wires |
Jim
In my case I replaced the wires with Rotax 2 stroke wires from Spruce. I
could not find any info that said the 2 stroke wires could not be used.
They are much cheaper than the 4 stroke wires. Have had them on my engine for
2 years now. I replaced all the end caps with the exact same endcaps (per a
google search of the cap number) at about 1/2 to 1/3 the price that Rotax
charges. You can check the caps for resistance using an ohmmeter and decide
if you want to keep any. In my case I just decided to replace all.
I also reused the tubing that goes over the wires. I shot a little Kroil
under the tube and used a vice to get the tubing off. It wasn't easy but it
worked.
The wires look nice and work great correcting a mis fire I was having.
Dick Maddux
Rotax 912UL
Message 2
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| Subject: | Re: Spark Plug Wires |
Jim,
It has been years since I did what you plan to do. First, as I recall, I
found the ourltside diameter of the insulation to be unique to Rotax. In
other words, I had to search a bit to find the wire needed - that is if you
want to reuse the wire to coil sleeves. Regarding the sleeves, I found
that they were glued to both wire and coil fittings. I was able to massage
them to break the bond. At least in my case, the glue hardened to a
brittle consistency and could be separated. What you might try is a piece
of stiff wire with the end flattened with a hammer, then rounded to spoon
profile and smoothed. Use this to push between the sleeve and the coil
fitting. The wires indeed are removable by unscrewing them from the coil.
I was able to re-use the spark plug caps. I have a friend that did find
after market caps. I am out of the country now with limited resources, but
try searching for Aerobuilders. A link should come up out if Caldwell,
Idaho. There should be a phone number there. His name is Mark Ferkin.
Lowell Fitt
On Oct 31, 2015 8:45 AM, "h&jeuropa" <butcher43@att.net> wrote:
> butcher43@att.net>
>
> I was putting the plug wire back on one of the lower spark plugs and the
> wire just crumbled in my hand. It appears all the bottom plug wires are
> brittle and need replaced. Do I need to replace the upper ones too? All
> the wires are original, 650 hours on them.
>
> I have gotten the old spark plug cap off and it appears reusable. The
> wire appears to be normal wire core spark plug wire that I can get at an
> auto parts house.
>
> My question is how to get the old wire out of the ignition coil. I
> understand the wire twists into the coil like it does the spark plug cap,
> but there is tubing similar to heat shrink on the wire and over the end of
> the coil. The tubing seems to prevent "just untwisting" the wire from the
> coil. Do I cut the wire near the coil and slit the tubing to get it off?
> Can I reuse the tubing? If not, is it just heat shrink and what size? Do
> I need to purchase it from Rotax?
>
> Can the wires be removed from the coils without taking the modules and
> coils off the engine?
>
> The spark plug cap measures the proper resistance, so can it be reused?
> How do you measure the pull off force required? Is there a source for the
> caps that is less expensive than Rotax?
>
> Thanks for your help.
>
> Jim Butcher
> Europa XS
> Rotax 914 650 hours
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=448420#448420
>
>
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