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Silly me, I always just plucked the blade like a one string harp until it was "just about right". ;D

Sounds like a lesson well learned. However, as small as some of the cars are today, no reason you cant adapt a flywheel off something like a 3 cyl Chevy sprint or the like...

Never mind I see your a step ahead of me. :)

Looking good! Now weld two junk bicycles together, install engine, and make fords quadracycle:D

Its not considered suitable for casting. Its very stretchy as the cartridge has to expand and grip the inside of the chamber, can also get a bit gummy when trying to machine. We learned that the hard way as we collected brass at our local range for a memorial plaque, local foundry did not want...

Unless your the Mayor's sister. :) Great show, as always.

Congratulations, it sounds like you have it dialed pretty dead on! Alcohol as you know has half of the heat energy of gasoline, but if you burn twice as much its just as hot as gasoline, minus the latent heat of evaporation difference. This tends to effectively lower cylinder temperatures, but...

Scoop a small bowl out and practice on that mix, I have a maybe 40# and added almost a quart, maybe could have gone more.

I appreciate all the work you have put into the math involved regarding ignition systems, its very timely.

Steve: I think I can generate one, but never tried. I am using the free version of Eagle. Luc: I have three failed attempts at toner transfer here, the main problem being that I was too low on toner to get good thick coverage. Comparing the two methods, I have gotten much better resolution with...

Finally, not too shabby. My first attempt at a genuine photoresist board. Bought the boards two years ago as emergency stock, my guess is the chemicals were at least good enough. Ran out of toner, had to ebay that, and some transparencies as well, and had to wait all week for them to arrive...

I have a set of ball gauges for up to 5/8" I think, then its T gauges until about 2" where I have a starret bore gauge. The Starret is kinda a T gauge with a dial indicator and three point centering, you can lock its measuring arms and read it like a T gauge if you want. Shame it isnt any...

Never had the pleasure of using one, so take this with a grain of salt, but I believe you want the rigidity of the tailstock for this. Its usually one continuous chip per side, but with the right tool you may be able to break it off and restart.

Its nice to have the right toys, its downright frustrating to use my old analog scope with a broken trigger circuit. Nice writeup, thanks.

Some, most, ok probably all of us are too busy in our shops to reply. :) Crunch time before the show. :rolleyes:

Look at your socket's from your socket wrench collection, find one that has been formed by peeling the surface inward. Thats commonly called a rota-broach operation, which is what you want.

It takes a very brave friend to loan you a scope to work on potentially damaging voltages. ;)

Since almost all I know about steam locomotives has come from this thread, please correct me if I am wrong, but you look dangerously close to lighting a fire under this. :D

My sand probably needs it too. :) Your welcome to come by if you feel like excavating to the back of the garage with me, its been a long winter...:cool:

I have another coil here, 1 of a 3 pack for GM distributorless ignitions. It gives a hell of a spark and should be an easy replacement on your engine if need be. I dont have any real doubt that you have a CDI style coil, and this should spark it just fine.