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vdelta(at)pacbell.net
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PostPosted: Mon Jun 03, 2013 4:25 am    Post subject: Looking for Help Reply with quote

Fellow Forum members:

If anyone is familiar with and can help with the following matter it would be appreciated.

Background:
Installing Electroair Electronic Ignition on TCM TSIO 550E powerplant.
During component installation discovered manufacturer supplied spark plug wiring to have numerous small cuts in the lines.
Electroair supplies and recommends "...an 8mm or larger spiral core wire with a resistance of 300 ohms or greater per foot." "Electroair uses the Taylor Pro-Wire Silicon Resistor Spiral Wire."
Based upon this experience with the provided wire I am looking for a more robust/durable/damage resistant replacement spark plug lead wire OR (confirmation) that the Electroair supplied wire is the best available for the intended use?!?

Issue:
Taylor Cable Products has multiple products meeting the Electroair stated specification.
Which one might be the most applicable to my needs and why ( the latter for my personal better understanding of the underlying issues and solution)?

PLUS.......

Taylor (in their FAQ section online) states....

Q. What are your best wires?
A. Taylor Cable's Thundervolt 50 and Thundervolt 8.2mm are the wires with the least amount of resistance (40 Ohms per foot) and will offer the best performance.

Q. Which is best - more or less resistance?
A. Many believe that a higher resistance (number of Ohms per foot) is better, but the opposite is true. The lower the resistance of the wire, the less energy is lost from that resistance.

On the face of it, Taylor (a well respected company that researches and produces a variety of products for automotive racing) is saying something seemingly exactly opposite to that of Electroair (another well respected manufacturer), when, I believe, both are interested in getting the most energy to the spark plug! Am I missing something?!?

Problem:
What is the best possible spark plug wire to use meeting the electronic ignition system requirements for optimum operation while also meeting my personal needs for the most robust wire for the vagaries of the installation process for an experimental airframe with significantly less space than just simple and straight runs as in an auto motive setup.

And lastly......of course I will be calling both Electroair and Taylor to get their input on the matter asap. Notwithstanding I turn to a pool and wealth of experience and information that is respected and which I believe might have something meaningful to add towards my further understanding of the underlying issues and possible best solution for my dilemma.

Thanks in advance for your attention and any input you would care to make.

VD


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nuckolls.bob(at)aeroelect
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PostPosted: Mon Jun 03, 2013 1:34 pm    Post subject: Looking for Help Reply with quote

Quote:

Q. Which is best - more or less resistance?
A. Many believe that a higher resistance (number of Ohms per foot)
is better, but the opposite is true. The lower the resistance of
the wire, the less energy is lost from that resistance.

On the face of it, Taylor (a well respected company that researches
and produces a variety of products for automotive racing) is saying
something seemingly exactly opposite to that of Electroair (another
well respected manufacturer), when, I believe, both are interested
in getting the most energy to the spark plug! Am I missing something?!?

ANY spark plug wire will conduct more than enough
energy from your ignition energy source and a spark plug.
The energy supplied by modern electronics so far outstrips
the Kettering coils and magnetos. Concerns for 'loss of
spark energy' in the wire is insignificant.

The reason for adding resistance to the loop is to
reduce the 'Q' of the wiring and increase losses at
radio frequencies. The automotive world started out
with resistor spark plugs which certainly helped but
the wires were still low resistance copper conductors
that made excellent antennas.

The ideal RF attenuator proved to be a DISTRIBUTED
resistance that de-Q'd the loop and depressed the
efficiency of the wires as antennas.

I would choose from the higher resistance offerings
in any configuration that fits your connectors. The
service life of any modern automotive wire will be
exceeded in your airplane. There's no tougher service
on a spark plug wire than under the hood of a car.
Bob . . .


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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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klehman(at)albedo.net
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PostPosted: Mon Jun 03, 2013 3:09 pm    Post subject: Looking for Help Reply with quote

I've been using the orange Taylor spiral wound silicon HV leads on GM
and Subaru coil packs quite satisfactorily for the last 8 years. Think
they are 8mm. I don't think they were called Pro-wire back then or maybe
I didn't purchase top of the line. The wires have no cuts whatsoever in
them.
Ken

On 03/06/2013 8:23 AM, victor delta wrote:
Quote:


Fellow Forum members:

If anyone is familiar with and can help with the following matter it would be appreciated.

Background:
Installing Electroair Electronic Ignition on TCM TSIO 550E powerplant.
During component installation discovered manufacturer supplied spark plug wiring to have numerous small cuts in the lines.
Electroair supplies and recommends "...an 8mm or larger spiral core wire with a resistance of 300 ohms or greater per foot." "Electroair uses the Taylor Pro-Wire Silicon Resistor Spiral Wire."
Based upon this experience with the provided wire I am looking for a more robust/durable/damage resistant replacement spark plug lead wire OR (confirmation) that the Electroair supplied wire is the best available for the intended use?!?

Issue:
Taylor Cable Products has multiple products meeting the Electroair stated specification.
Which one might be the most applicable to my needs and why ( the latter for my personal better understanding of the underlying issues and solution)?

PLUS.......

Taylor (in their FAQ section online) states....

Q. What are your best wires?
A. Taylor Cable's Thundervolt 50 and Thundervolt 8.2mm are the wires with the least amount of resistance (40 Ohms per foot) and will offer the best performance.

Q. Which is best - more or less resistance?
A. Many believe that a higher resistance (number of Ohms per foot) is better, but the opposite is true. The lower the resistance of the wire, the less energy is lost from that resistance.

On the face of it, Taylor (a well respected company that researches and produces a variety of products for automotive racing) is saying something seemingly exactly opposite to that of Electroair (another well respected manufacturer), when, I believe, both are interested in getting the most energy to the spark plug! Am I missing something?!?

Problem:
What is the best possible spark plug wire to use meeting the electronic ignition system requirements for optimum operation while also meeting my personal needs for the most robust wire for the vagaries of the installation process for an experimental airframe with significantly less space than just simple and straight runs as in an auto motive setup.

And lastly......of course I will be calling both Electroair and Taylor to get their input on the matter asap. Notwithstanding I turn to a pool and wealth of experience and information that is respected and which I believe might have something meaningful to add towards my further understanding of the underlying issues and possible best solution for my dilemma.

Thanks in advance for your attention and any input you would care to make.

VD



- The Matronics AeroElectric-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?AeroElectric-List
Back to top
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