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It is a kindle fire because I had one sitting around. Maybe I’ll upgrade to something a little bigger someday. It is easy to see, has lots of good features, and very responsive to xyz movements.

Automotive ignition IGBT's are indeed the answer, easy to drive and hard to kill. Plenty of options out there. Did you just use the term ground? Common, chassis, ground, battery negative, or maybe even battery positive in certain situations. What is ground? An unlimited sinking source...

Before and After - Slick setup - Great improvement so far!

Good job Bob! Seems to run fairly smoothly.

The extra spark is a result of the ignition cam being driven from the crankshaft and closing/opening every revolution of the crank and nothing to worry about. So, if your exhaust valve is opening about 15 deg before BDC at the end of the power stoke and closing again around TDC before the...

The factors that determine which direction the engine will run are the exhaust valve cam and ignition cam timing. Take out the spark plug and connect the ignition. Slowly turn the flywheel and think about what is happening vs what should be happening and when things are happening, through all 4...

Is one of your valves opening even the slightest amount? How tight are your pushrods/rockers? Maybe test the compression with the pushrods removed. Or is the valve timing off?

Awesome! I need to get going on mine!

Looks great!

That seems reasonable...as long as your bottom pic shows the exhaust cam just starting to open AND that this pic is taken at the END of the POWER stroke (in other words, about a half of a turn of the flywheel after ignition TDC. That part is important.). IF that is the case, I would pull your...

Plenty of good info for you to digest. Let me add to that. This engine is pretty forgiving, but we need to have things at least close to the correct timings. We need Suck-Squeeze-Bang-Blow, fuel and spark do help. This is my approach and other's mileage may vary but here goes. Let's start...

Hi, I kind of had the same confusion when I was looking around for the plans. I ended up ordering them from here: Payment Gateway - Rocketr The plans are for the version with a full crankcase, but one could build it easily enough as an open frame engine. I will probably be ordering the...

Very cool - I assumed it was an 049 but doing that to an 020 is even more of a challenge.

Awesome and thanks! I saved that image - it is called linx pullets, like little chickens! I just found that funny and thought I'd share. Reminds me of a joke that I probably shouldn't share here. Happy Friday!

Can anyone provide me with the part numbers and sources for the pulleys and belt used in the Lynx OHC ? Also, is about the only place to find the Lynx drawings on Pocketmags? I'd like to eventually get these plans. Thanks!

I never really had a lot of interest in this engine, but the more I looked at it, the more I liked it and thought it would be a very worthwhile project. Since all of the parts are relatively small and easy to do (so far) I figured why not do a couple of them while I was at it. Then, I started...

Yeah, those point are clearly missing the threaded stud and nut which would hold the spring in position. It looks like there were a couple of options for the mopars of that era, maybe a couple of different distributors were used. It may be possible to use them, but it may not be the cleanest...

Great solution - Work smarter, not harder. If you keep your "lathe moving kit" around, you will never need it, if you get rid of it, you will need it the next day.

I reviewed your Webster thread as before I built my Webby and since I am starting an Uphsur Vert I thought I should check in here. Yours is looking good and you are getting close.

As I look through all of the plans, pics and other documents that I have collected and try to sort and prioritize my to do list that I am always adding, sorting, and on a rare occasion, removing items. I do enjoy that process, but I need to stop that for a while and actually get busy on one if...