Simple Test for Coil On "Wasted Spark" 2 Cylinder Engine

[Jim Thompson]

On Fri, 01 Jun 2012 20:54:45 -0600, m II <C@in.the.hat> wrote:

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Ian Field wrote:

I assumed that would be obvious to all but the very thickest of
dumbasses.


I should have realized this was just another of your many, ill-formed
personalities. Feel the pity.

mike

Ian Field is a Larkin boot-licker... behavior just as you'd expect.

...Jim Thompson
--
| James E.Thompson, CTO | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona 85048 Skype: Contacts Only | |
| Voice480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.

 

[Ian Field]

"Jim Thompson" <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote in
message news:34fks7le7odmg9b934rvmd0rrgkb4b80c2@4ax.com...

On Fri, 01 Jun 2012 20:54:45 -0600, m II <C@in.the.hat> wrote:

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Hash: SHA1



Ian Field wrote:

I assumed that would be obvious to all but the very thickest of
dumbasses.


I should have realized this was just another of your many, ill-formed
personalities. Feel the pity.

mike


Ian Field is a Larkin boot-licker... behavior just as you'd expect.

...Jim Thompson

JT is a bitter twisted old nut job who's taken to ripping on me any chance
he gets - just ignore him and hope he goes away.

 

The problem is the load, the empty cylinder is not the load, the system is also + and - (single platinum plugs with only the anode or cathode coated installed wrong cause crazy issues and created dibble plats) the system also works on standard i=r/o iirc on voltage needed to bridge the biggest resistance will generate voltage when the field collapsed and set amps and volts for proper heat.

To increase the voltage in the furring cylinder the waste cylinder has to have resistance higher. Then you run two resistance in a series formula. You also need to know the polarity on the leads and electron flow to determine which gets voltage first and if it should be modified for resistance.

Also ignition coils are a field collapse system and only supply voltage based on the need of the resistance. So it might say it’s a 80kv coil but if only 12kv is needed then that’s all it supplies. At 7k rpm in Death Valley 50k might be generated.

 

[default]

On Fri, 23 Feb 2018 11:11:57 -0800 (PST),
dsdieboldtheoriginal@gmail.com wrote:

The problem is the load, the empty cylinder is not the load, the system is also + and - (single platinum plugs with only the anode or cathode coated installed wrong cause crazy issues and created dibble plats) the system also works on standard i=r/o iirc on voltage needed to bridge the biggest resistance will generate voltage when the field collapsed and set amps and volts for proper heat.

To increase the voltage in the furring cylinder the waste cylinder has to have resistance higher. Then you run two resistance in a series formula. You also need to know the polarity on the leads and electron flow to determine which gets voltage first and if it should be modified for resistance.

Also ignition coils are a field collapse system and only supply voltage based on the need of the resistance. So it might say it’s a 80kv coil but if only 12kv is needed then that’s all it supplies. At 7k rpm in Death Valley 50k might be generated.

I'm having trouble understanding what you are doing, but wasted spark
systems do work and have been around a long time. It sounds like you
want to run one coil to fire two plugs? That won't work.

You either need two 6 V coils in series or a 12V motorcycle coil which
has two high voltage windings.

 

[Bret Cahill]

I vaguely remember wasted spark and 2 magnetos but it's like out of one of those REM dreams that make you want to get out of bed in the morning.

I'm going over everything that I was doing back then but I cannot remember the engine that prompted the OP.

The question is always there: Is there a "normal" or "correct" state of mind?


Bret Cahill


"What a feeble thing is human reason. A thing is either true or false. Before I was poor and now I am rich. Changing my lifestyle is OK, but please, leave my judgment alone."

-- Tocqueville

"The errors of great minds are more fruitful than the truths of little minds."

-- Nietzsche

 

[default]

On Mon, 26 Feb 2018 20:59:58 -0800 (PST), Bret Cahill
<bretcahill@aol.com> wrote:

>I vaguely remember wasted spark and 2 magnetos but it's like out of one of those REM dreams that make you want to get out of bed in the morning.

Early BMW motorcycles used a magneto with two high tension windings,
and a wasted spark.

Small planes use two magnetos firing two plugs per cylinder through a
distributor(s).

I'm going over everything that I was doing back then but I cannot remember the engine that prompted the OP.

The question is always there: Is there a "normal" or "correct" state of mind?

Can't help you with the existential ruminations... Most folks just
pick a religion and allow themselves to be led by the nose through the
morass of philosophical cogitation.

Bret Cahill


"What a feeble thing is human reason. A thing is either true or false. Before I was poor and now I am rich. Changing my lifestyle is OK, but please, leave my judgment alone."

-- Tocqueville

"The errors of great minds are more fruitful than the truths of little minds."

-- Nietzsche

 

[Abandoned Trolley]

On 27/02/2018 12:29, default wrote:

On Mon, 26 Feb 2018 20:59:58 -0800 (PST), Bret Cahill
bretcahill@aol.com> wrote:

I vaguely remember wasted spark and 2 magnetos but it's like out of one of those REM dreams that make you want to get out of bed in the morning.

Early BMW motorcycles used a magneto with two high tension windings,
and a wasted spark.

Small planes use two magnetos firing two plugs per cylinder through a
distributor(s).

I'm going over everything that I was doing back then but I cannot remember the engine that prompted the OP.

The question is always there: Is there a "normal" or "correct" state of mind?

Can't help you with the existential ruminations... Most folks just
pick a religion and allow themselves to be led by the nose through the
morass of philosophical cogitation.

Bret Cahill


"What a feeble thing is human reason. A thing is either true or false. Before I was poor and now I am rich. Changing my lifestyle is OK, but please, leave my judgment alone."

-- Tocqueville

"The errors of great minds are more fruitful than the truths of little minds."

-- Nietzsche

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Wasted spark coils are as common as muck these days. Ford have been
using them on Mondeo and Focus models for at least 20 years. The "coil
pack" has 2 separate primary windings and 4 secondary windings (for 4
cylinder motors)

I would be surprised if other mass market car makers have not followed
suit, and I have a feeling that they are even more common on motorcycles.

and ... technically speaking the Briggs and Stratton single cylinder
motor on my lawnmower has a wasted spark. The cam for the contact
breaker is direct on the crankshaft - even though its a 4 stroke motor.

Also, using 2 distributors to fire 2 plugs per cylinder is not confined
to planes - in the distant past both Alfa Romeo and Aston Martin have
fitted systems on road cars. Ferrari have also had a crack at it, but I
am not sure if the vehicles involved could be called road cars.

Long story short ... if you look in the local scrapyard you should be
able to find plenty of material to experiment with.


Have fun ...

AT