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For my model engine i'm using 9.6V(3000milli-amp) rc battery for ignition. That 9.6V runs down fast. Couple of hours only. Gonna try to find a 12V rechargeable or greater to increase time between charging. I use my 18V drill battery for my 6HP Stover. That set-up, as you'll see throws a monster...

3-D drawings(some) of the parts: Vid of it at full throttle(140p.s.i.): no piston rings, each cylinder honed, as well as manifold, to slip fit, and runs on aquarium pump. Sorry but no drawings available.

Recent disrespect:mad: for Old Glory, the National Anthem, our Veterans, Police, and whatever else certain anti-anything American groups feel they need to protest inspired me to paint one of my engines with a resemblance of the American Flag.:thumbup: https://www.youtube.com/watch?v=IKVBOBXAM1U

Even though its cold outside we decided to make several batches of Peach ice cream with a Country Freezer 2qt. churn. The freezer was made in Ohio and the engine I made has 1-9/32 bore and 2-1/2 stroke(3.22 cu.in.).I use non-ethanol gasoline from the local Farmers Co-op with a bit of 2-cycle oil...

Hello, this is some of my antique stuff on the trailer. Had to figure a way to put the trailer tongue-first in order to have access to the JD garden tractor and squirrel-cage fan. Also,serves as a good way to hook it to the truck to take to engine shows. Here it is on about 30 psi. Notice...

This is the way I make the cam gear for the "222" engine. It allows fine tuning of the cam timing. This is not my home shop as you have probably guessed, but hopefully the folks with the CNC's at home can appreciate and others can identify, at least with the drill press work and all can get on...

I have seen a lot of mixers on a lot of engines but they all gotta do the same thing: mix the fuel with the air!. I had to put a choke sleeve on mine to restrict the air to draw enough fuel. ;D Later, Rick. http://www.youtube.com/watch?v=rJUghdc_V2o

This one shows machining flywheel clearance on the connecting rod and the assembly of the built-up flywheels. Later, Rick. http://www.youtube.com/watch?v=Ewgqtt8pEmg

As long as you folks give me the positive reinforcement for giving machining video links, I'll keep posting. Hopefully the annotations will give the info you need, if not shoot me a reply. Thanks. Later, Rick. http://www.youtube.com/user/popnstart?feature=mhee

This video shows how I find the center of round parts using my edge finder and the DRO. Hope this helps make your machining project easier. Later, Rick. http://www.youtube.com/watch?v=NCEASFdccXc

The threaded rocker stud is adjustable for valve lift. This is how I make my valves. Yes, they are CRS. No stainless needed here. Also, a tool I devised for chasing 10-32 threading dies with a Versa-tapper. Questions and comments welcome. Guess what that poppin' noise is in the background...

This video shows some of the techniques I use to make parts for the miniature "222". (1.25 x 1-13/16 bore and stroke = 2.22 cu.in. As always questions, comments, and advice are welcomed. http://www.youtube.com/watch?v=FOCFf1fpCos

This is a video of my first miniature engine doing work. There is more info about the engine than in the previous video submitted here. After months of operation the engine is still "tight" and runs 4 hours on a shot glass of Coleman fuel and 40:1 tc3w for o-ring lubrication. My wiring schematic...

I used a shot glass for a gas tank and rubber o-rings on the alum. piston for compression per "cfellows" dimensions. 1-1/4 bore x 1-9/16 stroke. H-D style fltwheel set-up didn't have provision for starting, hence the electric drill motor. All bearing surfaces are oil-lite bronze, cast iron...

3 inch bore 1/2 inch stroke moves trailer in and out of garage. Self contained air source with antique compressor. Check it out. Later, RT. http://www.youtube.com/user/popnstart#p/u/14/0bUDmh9yewc

90-degrees between cylinders means it'll start in any crank position. ::) Ball bearings everwere. 1/2in X 2-1/2 bore and stroke. Notice the valves are acutated by the other cylinder and because the valve in a steamer is 90 degrees out-of-phase wit the crank just reverse the air lines on the...

Anybody know of plans/ideas for using a peizo-electric ignitor for hit-n-miss engine? Thanks.

6 cylinder ROTARY air engine. 25mm bore 1.5 stroke brass pistons,alum. cylinders, 6 to 1 planetary, 2800rpm prop, @ 140 psi and slow with an aquarium pump. First link: engine @ full "throttle" http://www.youtube.com/watch?v=vHYWL8cYqbo&feature=channel_page Second link: the...