Plastic vs. Wood Coils
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Topic author - Posts: 73
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Plastic vs. Wood Coils
I have seen some discussion on this topic but no real conclusions.
Plastic seems to have some advantage over wood in that is won’t swell and should slide in and out of coil boxes easier.
Internals should be identical to wood ...
Please advise and comment.
THANKS
Plastic seems to have some advantage over wood in that is won’t swell and should slide in and out of coil boxes easier.
Internals should be identical to wood ...
Please advise and comment.
THANKS
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Re: Plastic vs. Wood Coils
I get a call sometimes to work on a 24 roadster and the last time I went over there the fellow had pulled 4 plastic colls and installed 4 that Ron Patterson had rebuilt.Runs better. It is my understanding the plastic coils are cheaper made and better suited for 1 cylinder hit and miss engine instead of a T .
If you can't help em, don't hinder em'
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Re: Plastic vs. Wood Coils
The benefit is that they won't swell.
And the benefits end there.
And the benefits end there.
Scott Conger
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
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Re: Plastic vs. Wood Coils
Some of the last wood KW coils weren't much better. They really cheapened them, and the condenser I understand wasn't much good either.
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Re: Plastic vs. Wood Coils
You'd think, after all these years, that there would be a modern coil package that would fit in the stock coil box that eliminates all the shortcomings of the wooden and plastic coils...something that would do what a coil is supposed to do but with modern, durable components and be invisible once the coil box lid was shut.
Sort of the ignition equivalent of the Fun Projects pinion bearing. I know you can install a distributor, etc but that's a dramatically visible alteration.
I mean heck...a coil is just a miniature transformer. We're not talking rocket science.
Maybe there has been and I'm just not aware of it. I've only been into T's for a few years and I'm the first to admit that I'm ignorant on the topic.
Sort of the ignition equivalent of the Fun Projects pinion bearing. I know you can install a distributor, etc but that's a dramatically visible alteration.
I mean heck...a coil is just a miniature transformer. We're not talking rocket science.
Maybe there has been and I'm just not aware of it. I've only been into T's for a few years and I'm the first to admit that I'm ignorant on the topic.
1924 Touring
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Re: Plastic vs. Wood Coils
There has been, an example was the Tru-fire. (google it: Tru-Fire ford Model T)
I know the voices aren't real but damn they have some good ideas!
1925 Cut down pickup
1920 Dodge touring
1948 Ford F2 pickup
1925 Cut down pickup
1920 Dodge touring
1948 Ford F2 pickup
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Re: Plastic vs. Wood Coils
I've heard that name before....didn't know that that's what it was. It looks like you couldn't run a mag with that setup.Mark Gregush wrote: ↑Fri Feb 07, 2020 12:00 pmThere has been, an example was the Tru-fire. (google it: Tru-Fire ford Model T)
1924 Touring
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Re: Plastic vs. Wood Coils
you can buy original wood coils, you can buy rebuilt original wood coils, you can buy new wood coils (both quality and crummy, you decide), you can buy every component in and on a wood coil. Unless termites remove their covering, they are pertetually repairable and adjustable. I see no shortcoming with that.
When a plastic coil quits, that's pretty much that.
When a plastic coil quits, that's pretty much that.
Scott Conger
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
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Re: Plastic vs. Wood Coils
Scott.
A plastic set in one of my T,s had been rebuilt with new condensers although I didn't do them myself, they have been in the car with no faults for many years and clocked up many long tour miles.
A plastic set in one of my T,s had been rebuilt with new condensers although I didn't do them myself, they have been in the car with no faults for many years and clocked up many long tour miles.
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Re: Plastic vs. Wood Coils
Rusty, The answer to your question is an ETimer!
If you haven't heard of or researched Mike Kossor's ETimer then many of us here believe you'll be very pleasantly surprised. I think it is exactly what you are looking for? You can keep your old coil boxes so they sounds like operating coils but will have the improved performance of an ignition system that operates without any maintenance and at a level not achieved by other ignition systems over years of driving! It looks exactly like stock, can be quickly returned back to stock and offers unmatched performance of your T for years!
The installation of a disy on a stock looking Model T with the availability of the Etimer certainly is a terrible distraction visually.
Please check it out or start another thread asking for others opinions.
If you haven't heard of or researched Mike Kossor's ETimer then many of us here believe you'll be very pleasantly surprised. I think it is exactly what you are looking for? You can keep your old coil boxes so they sounds like operating coils but will have the improved performance of an ignition system that operates without any maintenance and at a level not achieved by other ignition systems over years of driving! It looks exactly like stock, can be quickly returned back to stock and offers unmatched performance of your T for years!
The installation of a disy on a stock looking Model T with the availability of the Etimer certainly is a terrible distraction visually.
Please check it out or start another thread asking for others opinions.
1912 Torpedo Roadster
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Re: Plastic vs. Wood Coils
Gene, those E-timers need 4 good coils to operate.
All they do is act as a switch to turn on the coil.
That part is precision, but that is where the great production ends.
All they do is act as a switch to turn on the coil.
That part is precision, but that is where the great production ends.
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Re: Plastic vs. Wood Coils
Jim as long as those coils have good secondary windings they condition of the condenser/capacitor is not important. I've been running an e-timer with no top hardware for the last 5 years and have had no problems with ignition...... Just to prove the point that the e-timer does not rely or need coil point settings of any type, just need coils with good primary and secondary windings.
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Re: Plastic vs. Wood Coils
Jim and all; I do rebuild the ignition coils and have found that the standoffs on the plastic oils will change position with temperature thus changing the electrical settings that were set and calibrating that coil...... Just like with air temperature affecting air pressure and tires, temperature with plastic oils will change the electrical settings.
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Re: Plastic vs. Wood Coils
I'll check voice texting results in the future, coils are not oils.....lol
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Re: Plastic vs. Wood Coils
I prefer the old wooden coils with Ford Script rebuilt by The Coilman. I’ve never had a problem with them and they look better and more original when showing the car off. Jim Patrick
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Re: Plastic vs. Wood Coils
Looks like wood is the way to go.
Thanks all!!!
Thanks all!!!
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Re: Plastic vs. Wood Coils
Those plastic coils were manufactured by Blackstone Mfg in Chicago. It was a leftover product line that Echlin Corp
Continued to produce after they acquired the company in the
early 80’s. They were made until the late 90’s by them and
then liquidated or sold off when the plant was shut down
and Echlin was acquired by Dana Corp. I know this because I worked there then but was involved with mechanical and electrical fuel pumps. Quality can’t say but I know the housing
was not as stable as the original wood coil.
Continued to produce after they acquired the company in the
early 80’s. They were made until the late 90’s by them and
then liquidated or sold off when the plant was shut down
and Echlin was acquired by Dana Corp. I know this because I worked there then but was involved with mechanical and electrical fuel pumps. Quality can’t say but I know the housing
was not as stable as the original wood coil.
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Re: Plastic vs. Wood Coils
In the teens and 1920’s Ford Motor Company did a lot of experimentation with components made from soy beans. I’m not sure if it can be referred to as a plastic or it was referred to as soybean composites, but I once had a spark coil made from pressed soy bean composites. It was like a hard plastic, resembling Bakelite, with the Ford script pressed into the lined design of the box. I sold it on eBay and it was purchased by a well known MTFCA Member who has a large collection of Model T spark coils of every type. Jim Patrick
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Re: Plastic vs. Wood Coils
Jim, it is the I timer which requires working coils, and these buzz as do the originals. The I timer came after the E timer, to cater for those who had to hear the sounds of buzzing coils. I love my E timer on my roadster. I have a True fire in my 1912 van and it performs flawlessly. My shooting brake has a set of Ron Paterson rebuilt coils and an Anderson timer. Henrietta has coils I rebuilt and an Anderson timer. My 27 Tudor has a distributor, which will get the A... when it gives me any trouble. Like anything, your mileage will vary according to the attention you give it.
Allan from down under.
Allan from down under.
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Re: Plastic vs. Wood Coils
I have been experimenting with Model T ignition systems, and am currently trialling coil boxes of my own making.
I have used Australian Silky Oak for the timber boxes.
I have used modern components except for the capacitor on the internals. The ignition coil is from an Australian Ford Falcon BA series. The letters and numbers for it are VDO A2C59513771 3618M.
The coil capacitor letters and numbers are SH-CAP 10uF 400V 50/60Hz
The points capacitor is one supplied by Snyders.
The magnetic post is one I have wound myself.
So far I have probably driven approx. 150 miles. I am doing a longer run with the vehicle at the end of the month and so that should give me a fairer indication of its reliability. So far they have been trouble free, on both battery and magneto ignition.
The timer shown in the picture is one I made a few years ago, as a copy of an original Teisch timer.
I have used Australian Silky Oak for the timber boxes.
I have used modern components except for the capacitor on the internals. The ignition coil is from an Australian Ford Falcon BA series. The letters and numbers for it are VDO A2C59513771 3618M.
The coil capacitor letters and numbers are SH-CAP 10uF 400V 50/60Hz
The points capacitor is one supplied by Snyders.
The magnetic post is one I have wound myself.
So far I have probably driven approx. 150 miles. I am doing a longer run with the vehicle at the end of the month and so that should give me a fairer indication of its reliability. So far they have been trouble free, on both battery and magneto ignition.
The timer shown in the picture is one I made a few years ago, as a copy of an original Teisch timer.
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Re: Plastic vs. Wood Coils
Good to see that innovation, Dick.
It'll be interesting to hear how your trials go with a few more miles on them, hope you have continued success.
FWIW I have a plastic coil here that I was given recently. I'm think I'm going to use it when I research and design my own electronic timer; it's trivial to produce the necessary output to induce the coils without need for points etc - which to my mind is probably best suited to the plastic coils, given their propensity to change characteristics over time.
It'll be interesting to hear how your trials go with a few more miles on them, hope you have continued success.
FWIW I have a plastic coil here that I was given recently. I'm think I'm going to use it when I research and design my own electronic timer; it's trivial to produce the necessary output to induce the coils without need for points etc - which to my mind is probably best suited to the plastic coils, given their propensity to change characteristics over time.
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Re: Plastic vs. Wood Coils
Dick, Thats an interesting timer. Could you tell us a little more about your setup and how this timer works?Rollinford wrote: ↑Fri Feb 07, 2020 10:47 pmThe timer shown in the picture is one I made a few years ago, as a copy of an original Teisch timer.
Jason Walters
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Re: Plastic vs. Wood Coils
Hello Jason
Thanks for your interest. I do not know how to post a link to the original 2015 posting about the timer, but if you enter the following into your search engine it will come up.
Tisch timer mtfca
Regards Dick
Thanks for your interest. I do not know how to post a link to the original 2015 posting about the timer, but if you enter the following into your search engine it will come up.
Tisch timer mtfca
Regards Dick
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Re: Plastic vs. Wood Coils
Dick, Silky oak was also used by Lorimer when making replacement coils for T's. They do look pretty, But I have never had a matched set of 4 to compare their performance against originals.
I have never gotten over seeing silky oak being sawn into 4 x 1.5" ceiling timbers at a mill north of Townsville when I was in the army in 1970. What a waste! We'd been sent to the mill for offcuts to fuel a field cooker on an exercise near Ingham.
Allan from down under.
I have never gotten over seeing silky oak being sawn into 4 x 1.5" ceiling timbers at a mill north of Townsville when I was in the army in 1970. What a waste! We'd been sent to the mill for offcuts to fuel a field cooker on an exercise near Ingham.
Allan from down under.
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Re: Plastic vs. Wood Coils
UPDATE
On 7 February I posted information and image of coils I built with modern components, and I indicated then that I would report back once they had been tested.
This month we completed a 1700 mile trip (2750 km) in 10 days and I happily report that they never missed a beat. They will continue to be used, and our two other T's now run the same coils.
On 7 February I posted information and image of coils I built with modern components, and I indicated then that I would report back once they had been tested.
This month we completed a 1700 mile trip (2750 km) in 10 days and I happily report that they never missed a beat. They will continue to be used, and our two other T's now run the same coils.
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Re: Plastic vs. Wood Coils
What about this plastic coil?
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Re: Plastic vs. Wood Coils
Dan Wins
Respectfully Submitted,
Be_Zero_Be
I drive a Model T ... Microseconds don't matter
For every Absolute Model T Fact there are at least three exceptions.
Be_Zero_Be
I drive a Model T ... Microseconds don't matter
For every Absolute Model T Fact there are at least three exceptions.
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Re: Plastic vs. Wood Coils
Any one know story of this coil? I have had it a long time. Do not know the history. School science? Looks too well done to be a homemade. Thanks Dan
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Re: Plastic vs. Wood Coils
Looks like an acrylic casting with original coil components, acrylic castings were very popular 'artwork' in the 1970, not that this one would not function. The cracking visible is common in 'old' acrylic pieces. IMHO, Acrylic would be a poor choice for coils in improved cars exposed to higher operating temperatures than dash mounted coilboxes, maybe a poor choice in any case, but a great visual.
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Re: Plastic vs. Wood Coils
Coil has box made out of clear plastic filled with resin of some kind. Also has modern cap in it too.
I have not tried it to see if it works in all the years I have had it. Someone went to a lot of trouble if this was a one of. Dan
I have not tried it to see if it works in all the years I have had it. Someone went to a lot of trouble if this was a one of. Dan