Seeing the other thread about those tiny Cat 3416s reminded me of an email my buddy sent me a couple years ago about the Wartsila-Sulzer RTA96-C


MO  POWER!

Maximum power: 108,920 hp at 102 rpm
Maximum torque: 5,608,312 lb/ft at 102rpm



The Wartsila-Sulzer RTA96-C turbocharged two-stroke diesel engine is the most powerful and most efficient prime-mover in the world today. The Aioi Works of Japan's Diesel United, Ltd built the first engines and is where some of these pictures were taken. It is available in 6 through 14 cylinder versions, all are inline engines. These engines were designed primarily for very large container ships. Ship owners like a single engine/single propeller design and the new generation of larger container ships needed a bigger engine to propel them. The cylinder bore is just under 38" and the stroke is just over 98". Each cylinder displaces 111,143 cubic inches (1820 liters) and produces 7780 horsepower. Total displacement comes out to 1,556,002 cubic inches (25,480 liters) for the fourteen cylinder version.

Some facts on the 14 cylinder version:

Total engine weight: 2300 tons (The crankshaft alone weighs 300 tons.)
Length:  89 feet
Height:  44 feet
Maximum power:  108,920 hp at 102 rpm
Maximum torque:  5,608,312 lb/ft at 102rpm

Fuel consumption at maximum power is 0.278 lbs per hp per hour (Brake Specific Fuel Consumption). Fuel consumption at maximum economy is 0.260 lbs/hp/hour. At maximum economy the engine exceeds 50% thermal efficiency. That is, more than 50% of the energy in the fuel in converted to motion.
For comparison, most automotive and small aircraft engines have BSFC figures in the 0.40-0.60 lbs/hp/hr range and 25-30% thermal efficiency range.
Even at its most efficient power setting, the big 14 consumes 1,660 gallons of heavy fuel oil per hour.



A cross section of the RTA96C:


The internals of this engine are a bit different than most automotive engines.
The top of the connecting rod is not attached directly to the piston. The top of the connecting rod attaches to a "crosshead" which rides in guide channels. A long piston rod then connects the crosshead to the piston.
I assume this is done so the the sideways forces produced by the connecting rod are absorbed by the crosshead and not by the piston. Those sideways forces are what makes the cylinders in an auto engine get oval-shaped over time.
Installing the "thin-shell" bearings. Crank & rod journals are 38" in diameter and 16" wide:

The crank sitting in the block (also known as a "gondola-style" bedplate). This is a 10 cylinder version. Note the steps by each crank throw that lead down into the crankcase:

A piston & piston rod assembly. The piston is at the top. The large square plate at the bottom is where the whole assembly attaches to the crosshead:

Some pistons:

And some piston rods:

The "spikes" on the piston rods are hollow tubes that go into the holes you can see on the bottom of the pistons (left picture) and inject oil into the inside of the piston which keeps the top of the piston from overheating. Some high-performance auto engines have a similar feature where an oil squirter nozzle squirts oil onto the bottom of the piston.

The cylinder deck (10 cylinder version). Cylinder liners are die-cast ductile cast iron. Look at the size of those head studs!:

The first completed 12 cylinder engine:



Pretty neat, eh?  Suck it, Mercury!

I wonder if that thing will hook up to an NP205.

Oh, the mudding I could do.

Wow.

Very cool! Does the US even have the industrial capability to make an engine like that anymore?

Wow, again.

Jesus.

Jesus... I wonder how many more times this engine will be posted on Arfcom ?

"Some high-performance auto engines have a similar feature where an oil
squirter nozzle squirts oil onto the bottom of the piston"



Most direct injected diesels have this feature.

I would be surprised if we did.

vmax84

Just imagine the numbers it'll do once they put the Type R sticker on it.

Center Section Overhaul anyone?

 

Now all we have to do is figure out a way to stuff that in a '67 Nova.

I know that has been posted many times, but it is still an impressive

machine.

The cross-head runs on (ball/roller) bearings and this eliminates side loadings on the piston rings––enhancing efficiency and maximizing life of the piston rings.

I'm gonna go out on a limb and say that engine won't fit under my old GMC Astro Cab without a major adapter kit.

Some dumbass kid will hook a tuner chip up to it, smoke out an entire port, and cause another Year Without a Summer.

Fuckin rednecks.

What! No PTO shaft.

It's in the picture

If it had a smoke switch, ARFCOM would approve.

So basically it's just another piston running in a sleeve that just eliminates the side loads on the primary piston and rings that have to seal the compression and ignition forces, right?

It needs to be shoe horned into this

I would hate to be in charge of changing the oil.

that's pretty fucking cool

Nova?  It's a diesel dude.  It goes in a VW Golf!

To paraphrase the Sage Clarkson, Berlin to Warsaw in one piston stroke.

LOL!!

I made a sticker for one of my work trucks and put it in the back window. The truck is a white 97 Dodge Cummins dually 4x4 long bed extra cab. Reads "Stickers Make Horse Power".

<== opened mouth and went all slack jawed at the enormity.

A Waukesha plant (biggest engine I could conceive of when clicking on this thread) could damn near fit inside the head of one of those.

We're gonna need a bigger cab.

It's called a bridge!

Now I just need a truck big enough to fit it in.

Large ship engines have always been 'built up' from pieces without a block like smaller IC engines.

The older steam engines are even larger.

The new Hemi squirts oil under the piston.

That looks like a big Cummins.  For it's overall size the displacement is very small.  I'm curious as to the RPM that turbo runs at.

I'm guessing no.

.





 

An appropriate bumper sticker would read



GOT TORQUE?

We had a thread a few wees ago about a machine shop in Belfast (iirc) making steam engines this size in the 50s (?) or 30 (?).  I think it was steam engines

What plastigage do you use to check bearing clearance?
Does Snap On sale a torque wrench to work on that with? And can a scocket from sears handle it.

Fucking Awesome!!!  

ok so how do I get it into my truck?

No.  The US lost its shipbuilding business years ago.  Taxes, EPA, govt regs and the Jones act all help send the business overseas.
All of my clinets get their new ships from China, Japan and Korea.
Right now Maesrk has the largest container ships in the world carrying 15,000 container boxes on one ship.  They are over 1300 feet long and almost 200 feet wide.
They are currently having some 18,000 container capacity ships built.

Look in the first picture, the top side "platform"... I think that is a turbo.  

My father is a Director for that company.

Thats a shit load of Doritos my freind.

Needs a NOS system yo!

Coming to a tractor pull near you!  

Pff. I'll hook chains with my Duramax and show it who's boss.

Sadly, I pretty much expected that to be the answer.