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Big Old CURTISS WRIGHT AIRCRAFT ENGINES Cold Straing Up and Sound
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- Опубліковано 19 сер 2021
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This video features Big Old CURTISS WRIGHT AIRCRAFT ENGINES Cold Straing Up and Sound. If you wanna see some big old airplane engines start watch this video and if you like the video hit the like button and SUBSCRIBE
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Many years ago, I flew DC-7s as air tankers dropping retardant on forest fires.
They had 4 R-3350s, 3400 HP for takeoff, 2900 continuous.
This engine was designed beginning in 1935 and the first one ran in 1937. Back then there were no computers to help with the design, no calculators. If close was good enough, you used a slide rule. If it needed to be exact, you wrote out the math on paper.
they had 18 cylinders, 2 rows of 9. The bore and stroke were both somewhere around 6 - 1/4", compression ratio was pretty low, a bit less than 7:1. They were supercharged, the blower was 2 speed, low for under 12,000' altitude and high for higher. They had a gearbox in the front, 16 crankshaft revolutions to 7 prop revolutions.
They had 2 magnetos for ignition, the mags would produce around 200 volts which fed a coil by each cylinder that boosted the voltage high enough to fire the spark plugs. They had 3 power recovery turbines, each one fed by 6 cylinders. These were turbines that the exhaust went through and turned a shaft that was connected to the crankshaft via an oil clutch. They were not turbines like in a turbocharger but rather they deflected the exhaust to produce torque, therefore very little back pressure. They added about 500 HP for takeoff.
They would burn anywhere from 1 to 4 gallons of oil during normal operation. A common joke was 'Fill it up with oil, and check the gas'.........The oil was 80W for summer and 60W for winter. They used 115/145 avgas (purple gas). Each engine would burn about 80 gallons per hour during normal cruise.
The original ones had a block made from magnesium but this was a bad idea. If the block ever caught fire (rare but it did happen), it was impossible to extinguish and would burn through the wing structure and of course, result in a crash. They weighed about 2700 lbs. The ones I flew were steel blocks and weighed about 3700 lbs.
A typical takeoff power setting, on a hot day, was around 57-59" manifold pressure and 2900 engine RPM.
The prop was about 14' in diameter, each of the 4 blades was about 7' long.
If they were treated well, they would perform well and last a long time, the TBO (Time Between Overhaul) was somewhere around 2000 hours. They were not tolerant of any kind of abuse though, push them too hard and bad things would happen..........
Do you like these Aircraft Engines ?
Great video, would love a little more time hearing them run though.
Also I missed seeing a Pratt Whitney 4360 - AKA "The Flying Oil Leak" - quad row 7 cylinder. Powered the Spruce Goose amongst many others
@@sinistersparky9657 also the B 36 .
I fly old school radials, RC PLANES, there is nothing better sounding than a bi-plane pass you by, on the runway. Yippee Yiyay 👌👍
Having B-25s, B17s, DC3s, and even a B29 do that same thing, im gonna have to disagree. Haha
I’m glad I started flying when radials were still in service. My first flight was in a DC-6 with Double Wasp engines. It was at night and I sat where I could see the fire in the exhausts. Turbines are more reliable but lack the romance of the radial.
My Uncle flew a DC-6, all the way up to a DC-10 with American Airlines. His favorite was the 707, but loved the old radials. When he flew in WW2 it was 4 Wright radials that got him home safe in his B-17. Great guy, taught me how to fly.
You an airline pilot sir? Ex Navy or Army?
صدك يعني انت طيار شعندك هنا
My grandfather was a B-29 mechanic in WWII. He was A&P so he knew those planes inside and out. I once asked him why radial engines are so stubborn to start. He said, "well, all the cylinders get together and form a committee and they take a vote on whether to start or not."
Very good sounding engines. Reminds me of a horse galloping down the track when the engines were idling.
I feel very fortunate to have been in the US NAVY and worked on the R-1830, R-2800 and R3350TC engines and flown in A/C powered by them. Pure music to listen to them at any speed.
Good footage, But I wish you would play each a little longer so we could hear them run on all cylinders and at full song.
These are masterpieces of history.
My father said after flying in a privateer around the Florida coast during WW 2 in training you’re ears rang and feet felt like rubber for days but what a ride when he rode in a B17 it wasn’t as bad but you knew what was hanging on those wings I miss his story’s
Wow kerennn yaa wujud mesin pesawattt
Ich liebe alte Flugzeuge so sehr ❤️❤️
I love big engines: they are so complex!
Nothing sounds a good as a radial struggling to idle.
It still amazes me that these things actually worked! They could actually make planes fly!!
Love the sound of radial engines
Some great footage for sure. Please give a bit more time to enjoy the sound of them.
Loved the blue one mounted very well on the back of a truck, that’d cause a double take when driven on the highway.
Used for braking. That engine working on opposite direction
God all that cam overlap. The staggering loping idle.
The lower cylinders accumulate oil in them while at rest, which can foul the spark plugs. Those become unfouled at different rates, contributing to the uneven running until it burns off and all cylinders fire smoothly.
@Common Sense Realist It was common to enrichen the mixture in combat as well as set the RPM via the govenor to nearly red line. This would allow the pilot to only use throttle to control manifold pressure and hence engine power output. Engine durability and fuel efficiency would suffer. But, the duration of combat was generally rather short, rarely more than 15 minutes. After the end of combat, more cautious settings would be used for engine speec and mixture.
Copy that!
That engine has to need one hell of a robust starting system. Talk about starter drag!
I was a ADR in the navy..heard this sound many times esp.parking birds. C- 117 T-29, and S -2. I was in. VT 29. Corpus Christi TeX... 1972.....
Nothing like the song of a big old redial
Nothin' like a 'cold straing up'...better than 'hurlin' up warm beer'...no?
Yup...I should have switch careers and went into aircraft mechanics or engineering.... AMAZING
Excellent film footage and sound.
Best thing I heard all day
Ce qui est vraiment impressionnant est qu’il n’y a aucun ordinateur. Sur le moteur thermique, mais aussi dans la conception de ce dernier. Tout fait à la main. Seulement un ouvrier qualifié. Avec de l’expérience. Fabriquant les pièces à la main. Sans machine outil à commande numérique. Seulement un artisan passionné et qualifié. Produisant les pièces Mesurant à la main et méticuleusement. Très impressionnant.
Wise words mate. Feel free to translate into English...
@@duskhunter3803 i don’t get it. English is not my main language
Love the radial engine.
The Sherman tank had a radial engine in it .
See thats the kind of factoid that I’ll never forget now…..👍
Some of them did, but they were fitted with about five different types of engine.
Thanks you
I’m thinking that there has never been a ‘simple’ repair on an engines like these…
I worked on them in Vs-30 on S-2 aircraft and yep nothing was simple or easily accessible...
Well a lot of jobs had to be repeated 6 or 13 times, so lots of practice....
I love hearing these old engines straing up and sound.
Edit: The internet broke proper spelling and grammar.
I like the way the props barely turn when at speed! Now, that's a superlative design feature.
Oh, the propeller turns at full speed. What you see, is the visual effect of the camera shutter.
bgdavenport, I really hope that was a joke.
Nothing compares to these old engines starting or watching old war birds flying over
Love those Radials
Worked on one in aviation school
R-2600 was used on Mitchell B-25..The 3350 in the B-29 and the A-1 Skyraider..
Isn’t that what he said? 2600 was used on many other aircraft as well.
Once again made in America.. Too bad I can't be that way again.. Oh yes I can just vote for Donald Trump
Good sounds, no other noises like wind or generators to spoil the effect!
The Liberals must love these so damn good for the environment
Reminds me of my 73 max javelin 401 same sound open headers of course and a race car.
Double check the parking brakes.😁
เสียงเครื่องยนต์ต่างๆทำลาย อะถรลถได้ทุกอย่างที่เกิดจากอวิชามนต์ดำต่างๆแต่ทำลายคำสาปมิได้เพราะคำสาปมิใช่มนต์ดำ คำสาปถืออภัยโทษให้กันซึ่งและกันต่อต้นเองละผู้อื่น แบบว่าสังเกตุดูก็ได้พวกเด็กแว้นนักแข่งแม้งเข้าบ่อนส่วนใหญ่แม้งได้บอกตรงๆเพราะเสียงจากเครื่องยนต์ทำลายมนต์ดำที่บ่อนต่างๆ
there’s a awful lot of workmenship goes into one of those engines
There were man and woman that made those engines but, the best part of it was " it was made in America".
a whole industry was established in repairing, maintaining and overhauling
Every Curtiss-Wright radial engine was assembled, run for a certain period of time, disassembled, checked for tolerances, and then of it passed, reassembled before it left the factory in WWII. There's a period documentary on UA-cam showing all of the manufacturing steps, unbelievable workmanship.
I love it good
Keep uploading videos like this
Wooww...super cool..😍👍
Fascinating 🙄🙄🙄
Nice fans to keep the flies off the barbecue tables.
Menudas maquinas si señor
Make sure those motor mounts are on tight...
Very cool. Thanks
Wish videographers would learn about getting out of sport mode and slowing the shutter speed. Very annoying seeing a fine engine revving and the prop is stopped!! Argh.
Think that's a big ask! These are barely the video equivalent of a snapshot. It seems most just use cameras on auto.
@@chrispomphrett4283 won’t argue that - I use a “purse cam” that is point-and-shoot. BUT - something as epic as airplanes, I see other simple options on it that are not photographer-grade applications. Some effort - yes. A real stumper - no. I guess it is hopeless, huh?
Just be happy listening to the sounds, which is what the video is all about, rather than be negative about something so petty.
back when "made in usa" actually meant quality...
Enjoyed the video. But I do have a question, did you video all of these? If not, how about giving a nod to those who did.
Credit for each clip is in the upper left corner of the video as well as the youtube channel it was taken from.
@@zachary5228 Cool. Watching on my phone I missed the small print up there.
All those people standing in line with the props. 😬
Mounted on a trailer probably home built.
Man, talk about a filthy cold start.
The lower cylinders are below the oil level of the case and always get some seepage, very common on radials.
zagadujete svet
God the starter motors must get bloody hot.? The batterys must take a pummeling aswell.Love big radials though popping away as they warm up to temperature.
Nah, they’re geared so they hardly feel it. Batteries are usually large 24v about 14x14x14 ish.
Also keep in mind that many won’t throw the mags on till they get a certain number of turns on the prop - so for most of that start, they aren’t even trying to get it to fire. Pretty complex starting procedure.
@@EstorilEm Hi.Yes i guess when the ignition is flicked on the ampage draw gets much higher.Still impresses me though the power even well geared of a starter motor churning those over on a cold day.
The Harley Davidson of aircraft motors
Back when Tesla was a person and not a subsidized plug-in.
You don't start a radial, you wake it up.
Need to have a BMW 801
Alguien sabe como el motor se pone en marcha?? hablo de motor de arranque..cual sistema tiene..
First one seemed to have a major misfire.
It’s likely the location of the exhaust, you’re only hearing a few of the cylinders from the video location. If you were at the front it would sound totally different.
Starting a radial is a lot like conjoling a wife to spread her legs. A lot of juggling and joggling and feeling for the right time to flip the mags on.
Man your comment made me laugh!! if you are a married man just out of sheer curiosity but are you still so married by any chance???? I've heard various aeronautical engines being started & the definitions used to either enhance the engine or even to all but kill it but I've never heard of it being aligned with a males attempts to illicit a sexual connection for want of a better word!! Well done indeed!! By the way, did you manage to get her fired up & eventually started or was it too much of a struggle???
Just like strapping a bunch of harley motors together
No comparison
@@davidmann4533 lol. Its the same design only more cylinders.
@@texasaggie8449 yep, one crank pin.
whats straing up???
Let’s hear them on an aircraft under takeoff powerr!
What is Cold Straing?
It's starting an engine after it has been sitting for a long time and it is at ambient temperature.
As opposed to a hot-start which is right after it has been shut off.
Bolt that into my Camaro. Here, hold my Coors while I drill out the holes.
what is a cold straing?
🙏🙏
#electrotechtarkshya
Just wondering, why these smoke so much? Thanks from.St. Paul Minnesota.
These are radial engines, as such the cylinders are arranged in a circle. The cylinders at the bottom have all the crankcase oil just on the other side of the combustion chamber. Oil seeps past the piston rings into the combustion chamber and burn away at start up. Every radial engine will have blue smoke (sign of oil burning) at start up.
@@geoffwatson6207 yep once they're above idle they don't smoke til you bang the throttle wfo
My dad let me fly his bird dog last week, it was terrible. Its flight characteristics were terrible. I almost banked when I was turning around for landing.
Straing?
And I thought my 25 year old lawnmower was hard to start.
For those that like radials,
Are parts still available?
Most of the common wear items like bearings and piston rings, seals, etc are commonly available. The key is really the engine core, if you have a catastrophic failure things get FAR more complicated. No one is making cases anymore for example.
Asad toor is not sahafi...... he was video editor in my office ...... he is being used....
LOL too bad that diesel tractor is not configured as a pusher!!!
Aí pai para
Question, how exactly do you "straing up" something???
We’re the “Wrights” interchangeable with “Pratt’s” ??
Absolutely not, completely different in every way.
Bring back Rare Bear!
Nobody wants to tell, the Wright brother aircraft fuel? GASOLINE, AV-GAS or Diesel, or natural gas, we know F 15 fighter jets using natural base gas.
somebody get me that engine, im putting it in my miata
What's a straing???
Billybadass
why so much blue smoke on starting?
Because they’re not gay and electric.
I did not know that engines were "gay." But seriously, normally when you see that much blue smoke you think the rings rings are bad. Do these radial engines leak oil into the bottom cylinders after being parked for a while?
You have an interesting way of spelling "starting," as in "straing"? Great video, though!
5
It seems to me that multiple engines with this tremendous output of horsepower would pull the wings of an aircraft forward with such force as to rip them right off of the aircraft! Additionally, a single engine aircraft should be “stretched” to the point of disintegration. I am a pilot.
You need a structural engineering course or two.
Where are the catalytic convertors?
😂😂😂😂😂😂
They're where they need to be, non existent.
never heard of a "cold straing up and sound" WTF does that mean?
They loved oil.
😁
這些都不會被檢舉空氣污染嗎？
I'd love to have one of them with 2600 horsepower in my car when I pull up at a light next to some kid with a stupid Honda Civic!
That’s the displacement in cubic inches, not hp 🙃
@@EstorilEm oh
@@EstorilEm oh, oops. Its still very cool though
Trop de pollution !!
So so content but you didn't show the big beast you lured people here with. Subscribe? Hell no.
There's always got to be at least one dickhead in the comments section. Congratulations from all the guys that recognised the big Curtiss-Wright R-3350.
They sound nice but burn to much oil that makes them junk in my opinion
Ur gay
I hope you are too that way we can be gay together
@@jamesaucutt8284 😍😍😍😘😘😘
When each cylinder has the displacement of a normal economy car engine, you burn some oil. 😂
Also these were all built in the ‘30s-‘40s, plus the lower cylinders on radials are below the oil level of the crankcase and will get oil inside, which burns off during startup. Once they’re warmed up it’s fine.
@@EstorilEm Just ask ur mom, word is that she knows a lot about oily jugs...
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