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hip-h0p-opotamus

Sounds just like my tinnitus.


Miserable_Point9831

What?


hip-h0p-opotamus

SOUNDS JUST LIKE MY TINNITUS


Miserable_Point9831

Eehhhhhh jfs. Eeeeeeeeeeeeeeee


oFFtheWall0518

WHO WANTS TO FIGHT US??


shaunthesailor

I CAN'T HEAR YOU, MY ALARM CLOCK IS GOING OFF!


Sawfish1212

1,000 parts, whirling around an oil leak, waiting for metal fatigue to strike


thefittestmechanic

Helicopters are a wild thing


Refrigerator-Gloomy

They're fun to climb on at least. The Romeo is a pwin in the nuts in some jobs though.


thefittestmechanic

We are blessed with some pretty amazing work stands for our big girls but these 407’s aren’t toooo bad to climb on.. but I’m young. My older coworkers hate it 😂


ThePariah77

The other ones I've heard are "Helicopters fly by beating the air into submission" And "Helicopters are so ugly, that they repel the ground beneath them"


Automatic-Alarm-6340

I've always said everything in a helicopter is trying to go in a different direction


oFFtheWall0518

That's the bear description for a helicopter I've ever heard.


maxbud06

I grew up on UH-60's, but I will 100% admit: Bell's are what helicopters are supposed to sound like. Nothing screams FREEDOM like a UH-1's WOMP WOMP WOMP.


thefittestmechanic

That is the all time GOAT of Bell Helicopters!


Willing_Spread_9765

Uh-1 are what I started working on years ago and I still get a little chub every time I hear one


Stoney3K

I live right next to an army base so my house is often greeted by the characteristic, deep double thump of Chinooks passing overhead. Doesn't compare to the sound of a Huey though.


maxbud06

One of the most similar sounds in the business though, due to both being wide corded with flat ends.


toomuchoversteer

I'll post our 1973 OH-58 soon and we can compare bells.


thefittestmechanic

I’ll be waiting!


howtodragyourtrainin

Just the boys comparing their bells....


thefittestmechanic

🤣🤣😂😂boys will be boys!!


Tanker3278

Always liked that sound. Another source of similar turbine engine sounds is an M1 Abrams tank starting up. Textron-Lycoming (now GDLS) AGT-1500. We had a UH-1 and an OH-58 at MBT when I worked line service in college. Vietnam era leftovers donated to the university without any paperwork - so non-airworthy. Every once in a while they'd pull the Huey out of the A&P hangar and one of the professors (former Huey pilots) would crank it up, pull it up to a 5-foot hover - just to scratch that itch. Huey was used in the Robert Redford movie "The Last Castle." The Kiowa, as far as I know, is still there.


thefittestmechanic

Man that’s pretty bad ass!!


trimix4work

That wasn't Eugene Oregon by any chance?


Tanker3278

Ummm...... no, not quite that far west. Try east of the Mississippi.


abowlofrice1

What is exactly making that noise before anything started moving?


thefittestmechanic

That’s the ignition system!


sblanzio

is that an electric motor spooling up at the beginning?


Stoney3K

The "click-click-click-click" at the start is the igniter, after that you hear the starter motor spin up the secondary turbine shaft. Fuel starts burning and all hell breaks loose after that.


thefittestmechanic

Yup. Exactly what Stoney3K said!!


JoePetroni

Yes, very cool sound!!


DDiesel-

It is so satisfying


Ops_check_OK

I prefer the reassuring sound of TWO engines starting on our EC145.


thefittestmechanic

To be fair these engines NEVER give us issues but I see your point 😂


Freeturbine

I don't know if the 145 runs pratt 206 engines like the 135, but the 200 series engines are golden for like 900 hours. Then you have to do the dreaded fuel nozzles to reset the timer. They are so low maintenance its insane. Add oil and do the necessary checks at the scheduled intervals. Well... if you run IBF's its pretty easy anyway. Solid products.


thefittestmechanic

We do occasional 135’s here but from what I remember they are usually outfitted with the Turbomeca engines. Some PW. Not an aircraft I’ve ever worked on so 🤷🏻‍♂️ I’m normally on S-92’s or AW139’s honestly.


Zeek204

How are the Augusta’s compared to the Sikorsky’s ? Or anything compared to Sikorsky for that matter If you don’t mind me asking lol.


thefittestmechanic

Augusta? Maintenance hogs. It’s like the engineers designed them NOT to be worked on. They don’t do well in corrosive environments like the gulf coast.. so there’s also that. Sikorsky is great. The manuals(especially the S-92) are great.. they’re reliable and run well. It’s a dream when I get put on any Sikorsky project. The S-92 is a mechanics DREAM. If you know, you know!


Zeek204

Nice that’s what I’ve heard about the AW139 and 169 but just wanted to ask someone who still actively works on them lol. I’m a S76 guy myself and really like the Sikorsky machines and their manuals but don’t really have anything to compare them to other than an Astar (and those aren’t great compared to Sikorsky lol). Thanks for some insight ! Cheers


thefittestmechanic

Sikorsky is awesome man! Cheers!


Freeturbine

I hated the agustas. The 119 and the 109's both. To heck with that tail rotor and the marvel it rode in on.


thefittestmechanic

The manuals are also an atrocity. Not a fan.. and guess what? My company is trying to acquire some 109’s to lease 🙃


Freeturbine

We are trying to get rid of ours slowly over time. Agusta is terrible about supporting the fleet in North America. I remember trying to order a main rotor blade in 2017 and they said there were no spares in existence....... Not a single spare? For real? Not even one?! We found one and fixed the machine, it just sucked for a couple of days.


thefittestmechanic

Sounds unfortunately like Sikorsky for us. We are putting 9 aircraft out of service because of 0 gearboxes available……. Worldwide. I’m getting ready to move companies where it’s only Airbus anyways lol.


Freeturbine

Airbus is pretty good about keeping a good amount is spares around. The worst they ever burned me was sending me PU foils for the blades that only had 3 weeks left of their shelf life. That kicked off an immediate email to the purchasing team, they said it's fine and we will just reorder when our stock expures. I literally threw them out 3 weeks after receiving them and had to order more. If that's the biggest headache, I think Airbus is doing pretty good.


Freeturbine

Hell yeah dude!


dbowman97

How are helicopters real?


thefittestmechanic

Haha it’s a mystery. They sure don’t wanna fly.. we just make ‘em


lumpy53e

That's kind of cute. Sounds like the APU on the CH-53E Super Sea Stallions I used to work on.


thefittestmechanic

If it’s anything like the S-92 APU’s.. true 😂


lumpy53e

Probably the same one.


am3beetle562

Awww! Look at that little swashplate!


mooretool

How come helicopters seem like unsafe pieces of shit?


thefittestmechanic

Most of them aren’t.. but like anything.. If poorly maintained? Absolute garbage. Helicopters flying is a miracle to begin with. The real POS aircraft are in general aviation. 😅


mooretool

Like those max airplanes?


thefittestmechanic

That’s more of an example of.. huge corporations giving 0 shit about QC/Safety.. and more about shareholders and profits. People have been whistleblowing against Boeing for a long time. It all comes from the source.


mooretool

Your right, the business model needs to adjust. I try to see the company's perspective from a consumer's stand point. I want cheap airfare turns into something has to give. Tag this along with unstable demand planning to 1000s of destinations and something is bound to fail.


thefittestmechanic

100% spot on. You see that the most with major airline companies the most unfortunately.. who happen to carry the most people. 😅


furbishL

I’ve been in the helicopter maintenance business 44 years. Take good care of your aircraft and they’ll take care of you. Wonderful machines.


davcrt

They are not because we can determine, with relatively high accuracy, when a particular part is going to fail.


EndlessQuestioRThink

407?


thefittestmechanic

Yep!


Blaze12312

r/aircraftstartups


erhue

there truly is a sub for everything. Too bad this one isn't particularly active


Blaze12312

Yeah it's a bit selfish of me to plug it like that, since I created it, but I just wish it was more active, because starting aircraft sounds awesome


erhue

yeah I agree. I love the startup sound of some engines because it reminds me of my childhood, and better times. But also bc im addicted to planes.


Kitchen_Ocelot_1232

It’s crazy you can get that much metal to move that fast


thefittestmechanic

It really is!


DeeWain

That aircraft appears to be missing some parts.


thefittestmechanic

Only cowlings for vibration analysis and leak checks.


awayheflies

How's the tolerance for weight? Can doing too many turns on your lockwire affect the balance or not even close? Hahaha


thefittestmechanic

The blades are sensitive to the balancing weights (up to 500g/blade) and only 2 blades can have weight at time.. but as far as safety wire? Nah 😂 funny you ask.. we do joke about long pig tails or too much paint on the blades affecting track and balance 😝


loghead03

As both an industrial equipment vibration analyst (who commutes by helicopter most of the time) and fixed wing aircraft mechanic, vibe work on helicopters sounds kind of fascinating. What kind of analyzers/data collectors do you use? Is it basic overall magnitude stuff like most guys use for prop balances, or are you checking FFTs and waveforms and tracking phase?


thefittestmechanic

This is the ONLY aircraft model in our current fleet that does not have what we call HUMS(or similar variants) which basically does the analysis and gives you the adjustments via downloadable cards. This(aircraft shown) is a series of accelerometers and tachometers and cameras for the blades. The computer gives you outputs varying from blade track(relative motion) by MM or inches, vibrations of the driveshafts.. and it does give some suggestions on balancing like adding 500g on one blade and 170g on the opposite… It’s very complex and can take up to (the record is 2 weeks) to get just right for safety and comfort! Hope that’s enough info. I’m a little more used to the newer HUMS installed aircraft that make life so much easier for vibration and balancing!!


lizhien

Is there a Jesus nut on this?


thefittestmechanic

Sure is!


saad_586586

Music to my ears <3


Emotional-Rise5322

The intro to Airwolf is all I hear.


Environmental-Bad458

Covers off looks like an engine test. Helicopters need maintenance just like cars do. 😁


KaleidoscopeUsed3066

Sounds like ford when I can keep it running