Works okay, but still needs some tweaking. Will run fairly slow but if I try and crank up the speed, it seems to be fighting itself and won't rev way out like the single cylinder version does.
Fun to play with, anyways!
Motorcycles, metal working, sheet metal, welding, TIG, MIG, education, cafe racers, old trucks, mendelmax 2.0 3D printer, vintage, technology and design, custom hand made Hot Wheels, old John Deere, stationary, hit and miss engines. A little bit of everything in the garage.
Showing posts with label wobbler. Show all posts
Showing posts with label wobbler. Show all posts
Saturday, October 24, 2015
dorkpunch Engines- 2 cylinder Wobbler.
If you go back aways, you'll see the wobbler air engine I have my 8th grade students build in Metals 2. Well, I've been working on another version of it. Pretty simple really- just welded another valve plate on the opposite side, added another cylinder and piston, and cut the pistons so they can share the same crank pin.
Works okay, but still needs some tweaking. Will run fairly slow but if I try and crank up the speed, it seems to be fighting itself and won't rev way out like the single cylinder version does.
Fun to play with, anyways!
Works okay, but still needs some tweaking. Will run fairly slow but if I try and crank up the speed, it seems to be fighting itself and won't rev way out like the single cylinder version does.
Fun to play with, anyways!
Thursday, March 19, 2015
Penny Engine! So small you can power it with your BREATH.
A couple of weeks ago I had kind of a wild hair and came up with this little guy. Flywheel is made out of a penny, and it will run on air from your breath!
It started out as this pile of leftover parts from past Hot Wheels builds.
All of that got turned into these bits.
Gotta have some semi-unique tools to do all that though. The jewelers saw and pin vice / jewelers drill are lotsa fun to play with.
Getting the rotating assembly put together.
Piston, cylinder, and associated bits.
This type of engine is commonly called a "Wobbler" or an Oscillating Steam Engine, because the entire cylinder wobbles back and forth. As it does, one of these holes lines up with the hole in the cylinder, letting pressure in to push the piston down. On the way back up, the other hole lines up and lets the pressure out.
And of course, some videos of it running. First one shows me powering it with my lungs and then a longer run with the air compressor. Second vid was the second time I had ever gotten it to run, using the air compressor on that one.
This was a lot of fun to make. It was even more fun to watch the band teacher, who you would think has lung capacity to spare, turn red, then purple, then white trying to get it to go!
Also wrote an instructable on this one and entered it into a couple of contests over there. Check it out here: http://www.instructables.com/id/Penny-Engine-micro-air-powered-engine/
It started out as this pile of leftover parts from past Hot Wheels builds.
All of that got turned into these bits.
Gotta have some semi-unique tools to do all that though. The jewelers saw and pin vice / jewelers drill are lotsa fun to play with.
Getting the rotating assembly put together.
Piston, cylinder, and associated bits.
This type of engine is commonly called a "Wobbler" or an Oscillating Steam Engine, because the entire cylinder wobbles back and forth. As it does, one of these holes lines up with the hole in the cylinder, letting pressure in to push the piston down. On the way back up, the other hole lines up and lets the pressure out.
And of course, some videos of it running. First one shows me powering it with my lungs and then a longer run with the air compressor. Second vid was the second time I had ever gotten it to run, using the air compressor on that one.
This was a lot of fun to make. It was even more fun to watch the band teacher, who you would think has lung capacity to spare, turn red, then purple, then white trying to get it to go!
Also wrote an instructable on this one and entered it into a couple of contests over there. Check it out here: http://www.instructables.com/id/Penny-Engine-micro-air-powered-engine/
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