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10K RPM, Supercharged, dual carbs and 6 cubic inches

Very nice job. Sounds different from a lot of small engines. You could probably get it into a 1/4 scale+ RC car and it would look awesome.

I've seen superchargers available as an addon part for nitro engines. Would be neat to install one in my Savage. Though they almost cost as much as the engine itself. I'd be worried about the heat output too.
 
From their web page: Each engine will be fully tested and adjusted for optimum performance. I am expecting around 5.5 hp at 9,500 rpm for the normally aspirated version and about 9 hp for the supercharged version.

Seems like overkill for small applications (when factoring in costs) and not enough power for other types of things.
 
DarkVision said:
What happens if you put this in an RC car?
Click to expand...

Some are close

RBK10541-SD-2.jpg
 
Surely the RC's with combustion engines are single cylinders, though, right? The motor in the OP is neat as shit, but I can't see it making useable power without extra craftiness. An RC car would basically need a multispeed trans...you'd need crazy torque multiplication (and the accompanying increased revs) to get moving, prolly.

There's a reason small things, especially with a fixed output, run single cylinder engines. That said I still want to see that V8 in a tiny F1 car being driven by the guy's cat or something.
 
phucheneh said:
Surely the RC's with combustion engines are single cylinders, though, right? The motor in the OP is neat as shit, but I can't see it making useable power without extra craftiness. An RC car would basically need a multispeed trans...you'd need crazy torque multiplication (and the accompanying increased revs) to get moving, prolly.

There's a reason small things, especially with a fixed output, run single cylinder engines. That said I still want to see that V8 in a tiny F1 car being driven by the guy's cat or something.
Click to expand...

Oh, this engine was certainly not intended to be the most efficient or sensible design. Just cool.
 
Need this thing powering my adjustable chair at work. Just wait until I swirl around on bitches.
 
Saw this a few days ago on Foxnews. Extremely cool. There is no real point other than it's cool as hell and this dude is a master fabricator.
 
phucheneh said:
Surely the RC's with combustion engines are single cylinders, though, right? The motor in the OP is neat as shit, but I can't see it making useable power without extra craftiness. An RC car would basically need a multispeed trans...you'd need crazy torque multiplication (and the accompanying increased revs) to get moving, prolly.

There's a reason small things, especially with a fixed output, run single cylinder engines. That said I still want to see that V8 in a tiny F1 car being driven by the guy's cat or something.
Click to expand...

Most cars and boats are single cylinder. Doesn't mean you can't use multis. Twin cylinder boxers used to be common for planes. OS and Saito, and Desert Aircraft make them in both nitro and gas.

Nitro car engines have higher compression so you can easily get 3hp out of a 0.3ci engine. They put out a lot of heat consequentially.
 
mmntech said:
Most cars and boats are single cylinder. Doesn't mean you can't use multis. Twin cylinder boxers used to be common for planes. OS and Saito, and Desert Aircraft make them in both nitro and gas.

Nitro car engines have higher compression so you can easily get 3hp out of a 0.3ci engine. They put out a lot of heat consequentially.
Click to expand...

But as a general trend, won't spreading the displacement out among more cylinders decrease torque?

I mean...say you have a modern 4cyl with ~2L of displacement...split everything in half, and make a V8 with two 1L banks...same tech, but each cyl's intake runners, valves, ect, would be half-size.

Can you make a theoretical prediction on how much power you would gain/lose? I would think you would lose out due to increased weight, increased frictional losses, ect, if nothing else. But I truly have no idea. It's just an interesthing thought (to me), I guess.
 
mmntech said:
Most cars and boats are single cylinder. Doesn't mean you can't use multis. Twin cylinder boxers used to be common for planes. OS and Saito, and Desert Aircraft make them in both nitro and gas.

Nitro car engines have higher compression so you can easily get 3hp out of a 0.3ci engine. They put out a lot of heat consequentially.
Click to expand...

i do not like flipping nitro cars back over, since i have no idea what is super hot i just grab a tire and the driver is blipping the throttle. fuck nitro.
 
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