Largest most kick butt single cylinder putt putt

GoldenMotor.com

killercanuck

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Dec 17, 2009
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Due to a thread I read about "no replacement for displacement" I went fishing and found this. Too bad the largest single cylinder engine won't fit on on a bike. You want displacement! Screw 66cc, why not 20,175ci ?!

Youtubeguy said:
The De La Vergne Engine Works built this 125 HP, 40 ton engine in 1903. It is believed to be the largest running single cylinder four-cycle open crankcase engine in existence.
It is rated at 125 HP and 4100 ft-lbs. of torque at 160 RPM
Runs on Oil.
Bore and stroke: 26" x 38"
Displacement: 20,175 Cubic Inches.(330 Liters)
The base and cylinder weigh 20 tons.
The dual 9 foot flywheels and crankshaft together weigh 15 tons.
The main bearing caps weigh 700 Lbs.
Here's a link to her startup and running:
YouTube - 20,175 Cubic Inch Single Cylinder Engine - Running

Have a good one!
 

killercanuck

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Dec 17, 2009
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That's wild too, but that 20,000ci single could crush that 4,200cc Kawi... literally suck it into the intake, crush it and spit out along with half an exhaust valve... :)

:p

4200 cc = 256 ci

20,175 ci = 330,609 cc

But I have to admit, at least you can still drive the Kawi around. The 20k would have to go in a recommissioned battleship, or aircraft carrier, or Cadillac... heh heh

Thanks for the replies guys
 

skiball83

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Nov 18, 2010
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You sure thats not a 4 stroke. I tawt I taw a cam in tder? It also sounded like the bass line for a music vidio....I started tapping my foot to the "music". I love motors.
 

Goat Herder

Gutter Rider
Apr 28, 2008
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Geez the least the guy could do after all that work is light it up for us:D












I am very impressed tho...
 

killercanuck

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Dec 17, 2009
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Dayam, that's a beast Joe, wow! Yea I still have enough left to rattle, they're in a jar across the room.

lol jk, they ain't in a jar :p

Yea Goatman, there should be a "He doesn't light them up :(" warning on the vid, heh heh