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NinjaPickle — Chinook Helicopter Gearbox by-nc-nd

Published: 2009-12-07 22:52:52 +0000 UTC; Views: 12015; Favourites: 17; Downloads: 5249
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Description Sorry I was away for sooooo long But I wasn't asleep at the switch either

A cutaway drawing of the rear transmission for the CH-47 Chinook Helicopter. This one is located in the rear pylon between the two engines. Power feeds from the shaft at the left, upwards through a double-reduction planetary gearbox to the drive shaft on top. From their it goes to the rear rotor.

This is an EXTREMELY critical component. Any failure of any part would result in loss of the aircraft O___o!!! The degree of workmanship and sheer amounts of anal-retentiveness towards this component could never be over-emphasised That drive shaft is transmitting over 6,000 Shaft horse-power, and over 4,000 foot lbs. of torque! O____o!!

This drawing was based off from an exploded view drawing in a parts manual
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Comments: 39

Aditj [2013-05-20 20:49:23 +0000 UTC]

Awesome sketch man! It makes the gearboxes I work on look pretty simple in comparison :-p

👍: 0 ⏩: 0

KH990j [2010-07-06 22:48:16 +0000 UTC]

Definitely a lot larger than an H-1's gearbox.

👍: 0 ⏩: 1

NinjaPickle In reply to KH990j [2010-07-06 23:25:50 +0000 UTC]

And alot more robust. Look how big one rotor on a Chinook is and think of all that weight, torque, and horsepower going through that box >.<

👍: 0 ⏩: 1

KH990j In reply to NinjaPickle [2010-07-07 00:45:09 +0000 UTC]

That's for sure, I've seen a Osprey gearbox, that thing's huge! I wonder what a CH-53's looks like. I just had to comment I work at New River MCAS, in Jacksonville, NC, and I work on H-1s but my job is an airframer so I don't worry about trannys.

👍: 0 ⏩: 0

amberchrome [2009-12-31 06:29:14 +0000 UTC]

Wow, that is some insane detail!

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NinjaPickle In reply to amberchrome [2010-01-05 20:35:42 +0000 UTC]

Thanks

👍: 0 ⏩: 1

amberchrome In reply to NinjaPickle [2010-01-05 21:09:15 +0000 UTC]

Did you see my "Xmas Jet Babies" pic yet?

👍: 0 ⏩: 1

NinjaPickle In reply to amberchrome [2010-01-05 21:21:54 +0000 UTC]

No I didn't I still have quite a bit of material to go through

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amberchrome In reply to NinjaPickle [2010-01-06 00:17:50 +0000 UTC]

OK, that's cool. Good to hear from you again BTW.

👍: 0 ⏩: 1

NinjaPickle In reply to amberchrome [2010-01-06 01:15:56 +0000 UTC]

Thanks

👍: 0 ⏩: 0

StormfalconX [2009-12-17 00:17:34 +0000 UTC]

HOLY CRAP!!

You are AWESOME with these, dude!

👍: 0 ⏩: 1

NinjaPickle In reply to StormfalconX [2009-12-17 04:01:40 +0000 UTC]

Hehe. Thanks!

Alot of it is from 5 years of CAD Engineering and art classes through High School and college

👍: 0 ⏩: 1

StormfalconX In reply to NinjaPickle [2009-12-17 17:52:15 +0000 UTC]

I have some CAD skills, but I haven't had to use them in a while.

👍: 0 ⏩: 1

NinjaPickle In reply to StormfalconX [2010-01-05 20:44:31 +0000 UTC]

Yeah it's been a while for me too. I'm also trained on SolidWorks, Auto Desk, and Pro-E! Alot of formulae and prompt commands to remember!

👍: 0 ⏩: 0

TomCatDriver [2009-12-09 21:03:32 +0000 UTC]

one of my co-workers that flew them in the US Army told me that the engineer who designed the flight control system for thew Shithook had to be committed to The Funny Farm when the job was done....poor guy lost his marbles in the process. i can believe it!

👍: 0 ⏩: 1

NinjaPickle In reply to TomCatDriver [2009-12-14 22:09:38 +0000 UTC]

Thats pretty crazy. I never knew that. I can kind of understand though. The control system for one of these in INSANE!!!! Four PFCU's for each rotor!!! OUCH!! And all the mixers, push rods, bellcranks, and servoes to synchronize that mess

👍: 0 ⏩: 1

TomCatDriver In reply to NinjaPickle [2009-12-15 11:40:47 +0000 UTC]

imagine having to design and develop it from scratch?

👍: 0 ⏩: 1

NinjaPickle In reply to TomCatDriver [2009-12-16 22:42:03 +0000 UTC]

Yeah exactly. There's no room for "trial and error" when designing aircraft. No "Oops...THAT didn't work...let's try this now"

👍: 0 ⏩: 1

TomCatDriver In reply to NinjaPickle [2009-12-18 00:03:48 +0000 UTC]

sometimes,that,s still how it,s done....

👍: 0 ⏩: 0

midniteowl [2009-12-09 03:59:28 +0000 UTC]

mmmm choppa...nice job!

👍: 0 ⏩: 1

NinjaPickle In reply to midniteowl [2009-12-14 22:10:06 +0000 UTC]

Thanks I hope to do more "Pr0n" drawings like these in the near future!

👍: 0 ⏩: 0

Muddy-The-Fox [2009-12-08 18:05:18 +0000 UTC]

Lots of lovely detail as usual!

Is that nut loose?

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 22:10:51 +0000 UTC]

Thanks

Uh-Oh, Who's the half-wit mechanic who didn't lock-wire that?!!!

👍: 0 ⏩: 1

Muddy-The-Fox In reply to NinjaPickle [2009-12-14 22:29:13 +0000 UTC]

Omg out lives depend on it!

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 22:39:38 +0000 UTC]

I smell court-marshal!

Someone's Ass is Grass!!!!

👍: 0 ⏩: 1

Muddy-The-Fox In reply to NinjaPickle [2009-12-14 22:42:24 +0000 UTC]

No thats me you can smell

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 22:49:12 +0000 UTC]

O______o!!!!!! Uh-Oh!

👍: 0 ⏩: 1

Muddy-The-Fox In reply to NinjaPickle [2009-12-14 22:50:51 +0000 UTC]

I liek to me a mucky fox

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 23:00:57 +0000 UTC]

*with clothespin on nose* Super...... *backs away slowly*

👍: 0 ⏩: 1

Muddy-The-Fox In reply to NinjaPickle [2009-12-14 23:01:54 +0000 UTC]

*walks towards you*

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 23:05:18 +0000 UTC]

Gaaaahhh....The Stench!!!! *passes out*

👍: 0 ⏩: 1

Muddy-The-Fox In reply to NinjaPickle [2009-12-14 23:12:05 +0000 UTC]

Another one down!!!

👍: 0 ⏩: 1

NinjaPickle In reply to Muddy-The-Fox [2009-12-14 23:14:53 +0000 UTC]

EEEEEEEEEEEEEEVILLLLLLLLLLL!

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Muddy-The-Fox In reply to NinjaPickle [2009-12-14 23:15:28 +0000 UTC]

👍: 0 ⏩: 0

concordexlover [2009-12-08 16:35:01 +0000 UTC]

wow.

👍: 0 ⏩: 1

NinjaPickle In reply to concordexlover [2009-12-14 22:11:22 +0000 UTC]

Thanks. Just imagine the brute force and horsepower being transmitted through that!!!

👍: 0 ⏩: 0

sharkplane77 [2009-12-08 04:42:11 +0000 UTC]

i still cant get over how detailed your draft pictures are!

👍: 0 ⏩: 1

NinjaPickle In reply to sharkplane77 [2009-12-08 04:49:11 +0000 UTC]

Hehe! Thanks I'm a bit backlogged with ideas now, I've just been too exhausted to commit them to paper right now

👍: 0 ⏩: 1

sharkplane77 In reply to NinjaPickle [2009-12-09 00:47:54 +0000 UTC]

yep! ^^ but yeah, thats always frustrating

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