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Aqua-Net is also the propellant of choice for potato guns, such a versatile product... Chuck, I also have an Anet A8 - Works great.

I forgot to add that I run my first layer at half the speed also.

Take a look here: The shipping does add a bit, but still a steal (cast iron :) ) in my opinion. I ordered the 3", but there are 4 and 5 inch also. https://www.mscdirect.com/product/details/06915037

+1 on the blue tape, no sprays or glues but I only do pla and no experience with other mat. Initial nozzle height setting is probably as or more important. I tend to run it on the closer to the bed side and I’ll take a little elephants foot if it guarantees bed adhesion.

Maybe this has been put out there before, but I just discovered it for myself... If only there was a basic (and super cheap) casting readily available to make nice flywheels with. This will work :)

I haven't been very busy with my engine projects but I am finishing up with getting variable speed on my mill thanks to a treadmill or two. All in all, it went pretty smoothly and motor lined up well. I need to stretch the wires from the motor, but I didn't have any nice 12Ga wire on hand...

Not to hijack your thread but here is a slightly “scaled up” model I saw running a few days ago. Nice work on yours by the way.

I was able to get over to check it out, rooms of stationary engines sitting there running, from tiny to gigantic as well as lots of everything else. A few pics that show just a hint of what was there. Very cool. I think I’ll keep a kerzel hit n miss on my to do list.

And SOLD...

With all of the ignition system talk lately, I thought I'd put this out there. Nice and clean portable 2 channel oscilloscope, with built in DMM and backlit display, great quality and works great, no battery, but includes power adapter and original Fluke scope probe. The connector for channel 1...

Just glancing at it, I like it. It's clear, concise, flexible and well documented! Just stating the obvious -

Sold -

Nice, I like the idea of the golf ball cannon. A little out of scope here, but I think a bowling ball cannon would be awesome. Maybe someday…

Thinning out a bit - Is anyone interested in these guys? All have good compression and turn smooth and should run or use them for the cylinders/pistons in another project. How about $15 each shipped USA or make an offer?

This is a different approach, but worth a look:

Definitely use the IGBT's to drive ignition coils, it will save you a lot of headaches.

I need to get there - it is about 30 miles from me (West Fargo) and I have never been to it.

Fun with the Touch DRO's Circle Bolt Pattern function. Worked out awesome!

I actually just grabbed one of those to try out also!

Thinking WAY ahead...