But is it an engine if it runs on compressed air? I guess so if you consider the compressed air energy.
Still it would be really cool if he could make it an internal combustion engine of some kind.
28th November, 2011 @ 4:28 a.m. (California Time)
@ Michael Mantion
Compressed air engine would be the only efficient type of engine at that small of a scale. the imperfections in designing millimeter scaled parts would not be able to withstand a true ICE. Real engines are made so precise, that none of the cylinders have any sort of gaps and whatnot, but when a piston is 11.3 mm diameter, the margin of error in them being perfect grows exponentially.
28th November, 2011 @ 8:40 a.m. (California Time)
If you like this, you\'ll love the Model Engineer Exhibition at Sandown Park, Esher, Surrey, from 9th to 11th December 2011:
28th November, 2011 @ 10:15 a.m. (California Time)
This thing is amazing. I want one.
28th November, 2011 @ 11:38 a.m. (California Time)
True mechanical art
28th November, 2011 @ 1:57 p.m. (California Time)
Tooling work so fine it is almost like a watchmaker\'s. And he designed the whole thing as well. Painstaking work that needs to be appreciated. End result, a fine work of art.
I don\'t see why he should stop there. It is possible, once Mr. Patelo has rested and been further motivated by public (us) applause, he could set about doing the impossible, making it a true ICE (maybe compression ignition, first). Lubrication with solids coatings, cooling with air (mechanical fan), etc. To acheive machining tolerances, much polishing & watchmaker technology.
In time to come (when everyone has gone electric) these could be auctioned off for huge sums. Mr. Patelo, thanks for inspiring us..
Yes, another fine work of engineering art, by Gizmag.
28th November, 2011 @ 4:20 p.m. (California Time)
With the timing gears all the same, it\'s set up like a two stroke. It has to be like that to run on air, otherwise it wouldn\'t run due to having to try to compress air in the cylinders on what would be the compression stroke in a 4-stroke ICE.
Also notice the complete lack of bearings anywhere but at the ends of the crank and camshafts. That wouldn\'t withstand running on fuel.
It\'s a very nice air motor, but not an engine.
28th November, 2011 @ 9:09 p.m. (California Time)
Here\'s a link to a pretty small V12 ICE used in model aeroplanes, it\'s a German site . . .
The air-cooled version has a total 87cc capacity
Sounds great d;-)
29th November, 2011 @ 12:39 a.m. (California Time)
The problems of clearances and bearings in miniature engines were overcome by manufacturers of engines for model aircraft decades ago. I owned a tiny free-flight aircraft with a 0.5cc motor in 1960. That is half of the individual cylinder displacement of this V12.
The main problem with making a V12 I.C.E. engine of this size would be cooling. Air would not be effective enough as heat would build up between the cylinders, and in the main part of the block, where the air could not get to. This would limit the engine to running for only very brief periods.
Could an engine of this size be built with the jacketing needed to allow effective liquid cooling? I believe it could, but it would be well beyond my capabilities. :-)
29th November, 2011 @ 2:56 a.m. (California Time)
he must have good eyesight ?
29th November, 2011 @ 3:12 a.m. (California Time)
it isn;t an \'engine\'
just pumping air in and pushing pistons is not \'an engine\'
air motor maybe
29th November, 2011 @ 8:36 a.m. (California Time)
Webster\'s \"engine\" = \"a machine for converting any of various forms of energy into mechanical force and motion\"
An internal combustion engine is basically just a compressed air engine. You explode the fuel to create compressed air in a chamber, and as far as I know is not really all that much pounds of compression - less than you\'d think. This just saves the burning and exploding part and moves the energy production back a step in a different storage device.
Compressed air cars are coming around (ie the Tata car) even though they should have been present back in the 80\'s when I first heard of research on it. But guess which wealthy (oil) industry made sure they didn\'t come through? You can also remove all those heavy cooling systems from the motor and can construct the engine block and parts from vastly different materials since it doesn\'t need to get really really hot anymore. I\'m sure a hard plastic engine block with nylon parts would work quite well and be really cheap to make. And so light!
29th November, 2011 @ 11:43 a.m. (California Time)
He should make a Wankel Rotary Engine now. Only 3 moving parts. Should take a couple of hours perhaps.
29th November, 2011 @ 4:04 p.m. (California Time)
Have you seen this video? This one is really working with gas! and Flat 12 twin-cam!!!
This Ferrari 1/3 model is far more complicated.
29th November, 2011 @ 6:57 p.m. (California Time)
He needs to build a 1/3 scale humanoid robot driver for his Ferrari. Radio control the robot which drives the car. :)
That engine would be awesome as a large scale radio control airplane engine.
30th November, 2011 @ 2:11 a.m. (California Time)
maybe the \"i\'m smarter than you\" posters could explain the difference they are pointing to between and engine and a motor.
it is indeed an engine...and a motor, since they are for all intents and purposes the same thing.
30th November, 2011 @ 12:47 p.m. (California Time)
my engine is smarter than your motor, whatever. i want one of these to just STARE at and occasionally hookup my household appliances to. i want it to break occasionally and get to take it apart and put it back together, this is my ultimate lego-scaled fantasy desk-toy. wonder what the labor charge would be for one (1220 hours! nearly 51 days straight!)
2nd December, 2011 @ 3:48 a.m. (California Time)
No doubt a huge amount of talent and work, but to be a true I.C engine it needs even more work and talent. Maybe the wordsmiths would agree it's a "Search Engine?"
14th August, 2013 @ 9:48 a.m. (California Time)
check out this engine he made its a V32 http://www.roadandtrack.com/car-culture/videos/a24980/tiny-running-w-32-motor-built-by-hand/
26th March, 2015 @ 12:24 p.m. (California Time)