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What’s it running on? Coal! 😳👌✅😃

ALL BALLs CRITER!!!

it needs airflow or you're just burning the ass end of it

Greta Thunberg eat your heart out !! 😂

Great way to over heat the thing ! 😢😢😢

Way too rich idle mixture ! Still sounds beautiful when she clears her throat 😊😊

It'll fit in a miata no problem

Where is the prop?

1 oppdtart 666

These engines sound incredible without a propeller distorting the noise. You can hear the supercharger whine which is very cool.

Normally a club-prop is used to generate some airflow through the engine and to provide some load on the engine at the same time. Especially with a multirow radial that is not unimportant because the main rod and cascade gears for the timing can otherwise get damaged. But not having the prop in this case provides a very rare clear engine sound example of this highly complex compound engine with supercharger and PRTs. Absolutely love it.

Is that wise to run a giant air cooled engine with no air flow 😮

Beautiful engine. Love it.

محرك مستقر لا احتزاز لذلك صنع للطايرات

Engine stability , so make plans

Hey I noticed these videos were uploaded quite some time ago but I was reaching out in the comments section in the hopes I could get in touch with someone who has a little more information regarding the Curtiss Wright 3350 engine. I work for a construction testing facility located in Southern California and we use this engine for some of our testing done at the facility. Unfortunately our current engine is experiencing some serious issues and were are trying to locate a new running engine. In addition to a getting a new motor we are hoping to meet or talk with an expert or someone who can help guide us or assist us in making sure our engine set up runs and performs optimally. If anyone at all has knowledge about these engines or could put me in contact with someone who does I would be forever grateful.

I am actually looking for a Curtiss Wright R-3350 Engine. We currently use this engine to create wind at our testing laboratory. any leads would be appreciated I am located in Ontario Californa.

Why do you guys run this beautiful and pretious engine without siginificant cooling?

Sounds like gdamn V8 even it's double 9. Most american thing I can imagine😁

Do these engines not idle and have to rev high?

It's hard to believe 18-year-old kids kept these engines running back in the war

I love these guys that don't have a clue. That engine was not designed to run without a prop, it loads the engine and provides cooling air. Put a shorty prop on it.

Count 9 blades before switching on the magnetos, to insure there was no hydraulic lock.

Three years in P5M squadrons I heard many a R3350 start up.

Maybe have props on it cool off ??

No animals were harmed in the making of this video. Well, millions of mosquitoes probably killed, but that's it.

Should have at least a small prop on it for cooling

Sounds like a friggin train engine with the turbis🔥💯👌

Holy shit, sounds like a NHRA topfuel nitro methane dragster at idle😱

Thats one engine that needs a prop to smooth it out, sounds like it's got a full race cam in it!

As a Briggs and stratton...dietroit diesel rebuilder....4 minutes in SHUT IT OFF... IT HAS NO NONE NOTTA COOLING...couldn't finish....I know cold oil....rear ones ....

That thing needs a short bladed prop. Sound excellent....needs cooling air....and some " load"..

I suspect they do not have a primer pump to start it up fast. The primed gas shoots directly into the super charge impeller before govener is engaged.

the engine of a b29 (I think)

It's going to overheat without a prop, it's air cooled!

Beautiful - may i ask a good forum or group that you could reccomend online who deal with these engines - i have the opportunity to pick one up , and its not exactly complete. But id love to dive into getting it running - i do all my own machine work so im confident about that side of it. But i would like to learn more on the ignition and fueling systems - and also figure out exactly what im missing and what is even available anymore - any groups or message boards you can reccomend? thank you.

Jesus, they're all so serious. Have some fun with it guys. It's not brain surgery.

Wow, that rev-up, DAMN! Imagine these engines running for many hours as they did in the aircraft they powered.

Put a prop on it, and you won't need the van to move it around. Great sounding engine....

Had these on C-119 D ,3 fluid drive turbos .3350ci put out 3350hp. Flight mechanic EAFB 58 to 62. 🤠

Чых, пых, троит пердит.

She’s just beautiful. Great work!!!!

What about engine temp without forced air over the cylinders ?

Sweet!!

I don't want to listen to 3 dumbest talking; can't understand them...

I feel like it's taken a beating from sitting so long? I really want to know more about these motors the fact that it was used in WW2 and other places where amazing people served, and how badass this thing sounds, but in the other video it was alot louder and pumped out more exhaust that's why I came to the conclusion that it's not on all cylinders? And even the first video seemed to have trouble with some of the top cylinders, seemed like the top exhaust was intermittent with the volume coming out only when they cranked on it seemed like some things are worn or plugged with carbon? Idk ...either way it's amazing and reminds me on a large scale of my 8.1l GMC that big ass motor makes all types of noises that come and go but it's reliable as hell! lol

Excellent work. I love the hollow Curtiss blades.

❤ That Bad A Idle!!!! Sounds like my nasty 406 SBC big A roller cam radical choppy Idle! And ⚠️ BTW the term "Holy Smokes" for some reason came to mind when it fired up! Wow them bottom cylinders and valve seals definitely allow in some oil into the combustion chambers! I know that they'd have to hand crank these radials over by the props to be sure they weren't hydro-locked by too much oil in one or more cylinders! But this shows everyone exactly why the ground crews would run them props over a few times lol!

Seeing how much oil came out the bottom exhaust when it started, I'm guessing oil that leaked by the bottom pistons as it sat since its last run; is there a procedure for clearing any oil before starting to be sure the lower cylinders don't hydrolock and break something? Such as a mechanism to hold the exhaust valves open while you spin it over a few times, etc..?

I think a little more effort cranking her through to clear oil pooled in the bottom cylinders would be in order before lighting her up.