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Your right I missed that one my bad. I'll fix it up. I haven't chosen a PNP yet but as I stated in the write up I still have testing to do and will let people know what I find. Including the parts I have tested. Yup, my software wants to sequentially number everything a PITA. I can make things...

I just got a bunch of parts in to make ignitions and parts for testing. I have a few 2 stroke engines I can play with including batteries from 4.7 to 12.5 volt. I'll post my results here. But I have one job to finish first, a automotive 2 relay & 4 relay programmable cooling controller. Ray

Are you talking about the Hall-effect that GM uses with it's window dizzy? If so, I don't see why not so long as the signal-in meets the voltage requirement. - The CD4047B needs an input signal of at least 3.5 volts when running on 5 volts. 7 volt input signal when running on 10 volts and 11...

Thank you, that was my intentions. Ray

thank you Ray

I was thinking after reading several posts here and on other web sites; “what is the very simplest ignition board that I can come up with that can be used by points, Hall-Effect, and inductive pickups and have adjustable dwell so it can be used with different coils”. So I came up with this below...

The second lathe/mill combo you linked to is the one I was thinking of. I know a fellow racer that has that one and like you said it's not the greatest but it does most of his work. He does have an old lathe, I can't recall off hand the brand but it does have a 6 foot bed, quite a bit larger...

I was thinking of maybe instead off a Hall-Effect & trigger wheel setup that most use now that maybe I could try an encoder wheel and sensor on the crank. 2 reasons for this is higher accuracy and disable the ignition if the engine does a kickback. Kickbacks can make quite a large intake...

I hear you about your work not being appreciated. I totally forgot your thread there, a couple of days after my last post on your thread I ended up in the hospital for a month from an infection and damn near died. If people want to buy my ignition boards/kits that's fine if not then that's fine...

I looked at some ignitions mostly the GY6 stuff. Almost all the pocket bike stuff I could find were 5 & 6 pin AC CDI ignitions. I did find this one DC CDI on Amazon 1PZ UNS-DC4 DC CDI Box 4 Pin. I'm not sure if this is what you were referring to but, the price you paid is excellent. The one I...

Yes and no. Yes they would be interested but, no they wouldn't be. I have talked with a GM engineer through a friend and a Chrysler engineer through my brother both engineers were retired and both have now passed away. What they both told me was to forget it unless I was willing to practically...

LMAO I like it. Ray

I know exactly what you mean. When I was doing my mechanic apprenticeship when I just got out of high-school we used to have a few salesmen trying to get us to sell their wonder products. In that one would wonder 'what the hell is he trying to sell us'. All kinds of things would come into the...

The tentative price for the Buzz coil KIT "IDI-ADJ-BZ-HV-KT" is $40.00 CAD plus taxes if needed and whatever the postal rate is for shipping. Ray

Thanks Sol, I have used transistors, MOSFETs, IGBTs, SCRs, and specific components designed only for driving automotive ignition coils. It all really comes down to "what is the best device for the application of the circuit that won't break the bank." Now that may or may not make sense but...

Well my saga continues. Normally I would not discuss any project that is in the works but, I feel this time I want people to see the amount of work it takes to make quality parts. Because I'm not designing something custom I have to give the end user some options. For example to replace the...

Here is some information that I researched and found interesting and may solve your problem. I was given 2 Pulling Poulan chain saws, one was like new, I also purchased a Pro model, my neighbor also bought a used one. Now as some might know is the reason the call them Pulling-Poulans is because...

It sounds like you are talking about ring-less RC model engines that use a tapered bore and the pistons are lapped to fit. On these engines they same it should almost feel like the engine is seizing when the piston reaches TDC. Yup actual aviation fuel is high octane and what is considered a dry...