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HelicopterMain Discussion › Chinook airlifts a sea-king
07-07-2008 03:02 PM  9 years agoPost 1
wlfk

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uk

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http://news.bbc.co.uk/1/hi/uk/7493547.stm

Looks like the sea-king is a touch tail-heavy, perhaps because there are no pilots in it. Or maybe it was setup for 3d.

K

A bit like a kite, but 500 times more expensive

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07-07-2008 03:14 PM  9 years agoPost 2
K-ROK

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REDBANK NJ USA

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Probaly because there is no rotor blades.

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07-07-2008 04:01 PM  9 years agoPost 3
RobRoy

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Huntsville, Alabama

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I watched a Sea Stallion fly away with a F-4 Phantom once, now that was impressive. Although I must say, that chinook didn't seem to have much trouble with the old sea king.

Ignorance is curable, stupidity is for life.

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07-07-2008 04:08 PM  9 years agoPost 4
Futura57

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UK

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Now that's one scale manoeuvre I wont be attempting

Hardware eventually fails - Software eventually works!

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07-07-2008 04:11 PM  9 years agoPost 5
QuantumPSI

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Atlanta, GA

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I'm very impressed with that! It's almost as if the Chinook didn't struggle at all to do the lift. You can barely hear the engine/blades starting to load up and I think the reason I heard it was because I was listening for it.

...now where was I, dh/dt = BS-dx/dt
I will fly you forever... till earth do us part

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07-07-2008 05:04 PM  9 years agoPost 6
DenisS

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england

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The rotor blades should be ON the CofG, therefor no change with or without.
Denis

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07-07-2008 05:28 PM  9 years agoPost 7
rcarlson123

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Colchester, VT - USA

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That's assuming the lift point was directly over the normal CG, which I assume it was ... I'm guessing the actual CG was a bit aft due to there being no crew on board.

- Ross

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07-07-2008 05:33 PM  9 years agoPost 8
wlfk

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uk

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I think that what Denis is getting at is that the CofG of the blades should be neutral. i.e. the hang point was from the main shaft where the blades are mounted. Therefore adding them shouldn't change the CofG.

K

A bit like a kite, but 500 times more expensive

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07-07-2008 06:18 PM  9 years agoPost 9
rcarlson123

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Colchester, VT - USA

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Yup, definitely ... I was just adding that if that heli was lifted by a spot not directly over the CG, then adding the rotor blades would change the way the heli tilts as it was lifted. There would only be no change if the lift point is directly over the CG. Looks like it was, since it looks like the heli was lifted directly over the mainshaft, which is probably where the CG is, but not necessarily. For example, with typical fixed-wing aircraft, the center of lift is not directly over the CG, and the horizontal stabilizer offsets the difference. No idea if any helis have the same type of stabilization using airfoils.

- Ross

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07-07-2008 06:35 PM  9 years agoPost 10
helibandit

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Jacksonville, North Carolina - United States

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its because the output shaft on the gearbox is tilted forward a few degrees. it hovers the same way. the output shaft IS on the CG so adding rotor blades wouldnt have made a difference.

The only time you can have too much fuel is when your on fire

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07-07-2008 06:47 PM  9 years agoPost 11
SniperKitten

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Wiltshire, UK

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Just after the Falklands war, the UK bought a squadron of F4s from the US Navy.

They airlifted them by helicopter from the storage depot across the bay at San Diego, I believe. One of the Phantoms got dropped in the water.

Oops.

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07-07-2008 08:01 PM  9 years agoPost 12
w.pasman

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Netherlands

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Cool. You can hear the turbine of the chinook spinning up as the rope tightens. Is this close to the max lift capacity of the chinook?

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07-07-2008 08:18 PM  9 years agoPost 13
USNAviationjay

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Houston Tx USA

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while I dont have exact weights I have seen 46s lift tanks (gotta be heavier than a heli) with ease as well.

as well as huge amounts of ordinance and goods aboard carriers.

every vertrep we ever had was with 46s they are pretty darn impressive.

the 53s are just plain sick though.
talk about gigantic and amazing.
they would clear 3 normal heli spots and tell everyone on deck to watch out a 53 was inbound.
they stir up quite the windstorm.

Most memorable one was when SEAL Team 3 came on board with 3 AF Pavelows in the middle of the night. talk about impressive.

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07-07-2008 08:41 PM  9 years agoPost 14
Snake Rimmer

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Up north in the England

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Just got to say that the UK fly boys can just about do anything they got to be the best in the world( got to say that ex RAF ) its just a shame that all our gear keeps braking down keep braking down.

To infinity and......................... the ground........... Team Rimmer

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07-07-2008 08:49 PM  9 years agoPost 15
helibandit

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Jacksonville, North Carolina - United States

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while I dont have exact weights I have seen 46s lift tanks (gotta be heavier than a heli) with ease as well
what kind of 46 was that! those things can barely get themseleves of the deck with a full tank of gas!

The only time you can have too much fuel is when your on fire

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07-07-2008 09:16 PM  9 years agoPost 16
USNAviationjay

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Houston Tx USA

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You just saw on vid this 46 lift a SK with no issues.. why would you say that?

46s are all the same be it Navy/Marine/Army/Export.

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07-07-2008 10:08 PM  9 years agoPost 17
helibandit

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Jacksonville, North Carolina - United States

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that wasnt a 46 it was a 47

The only time you can have too much fuel is when your on fire

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07-09-2008 09:48 PM  9 years agoPost 18
Doolidg

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Everett ,Wa

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That one part

Damn that one part was really cool....you know the part where he landed then took off and hooked up to the other heli and lifted it up ......

(only run if I do!)

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07-09-2008 11:44 PM  9 years agoPost 19
9387ASH

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UK

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Paul,

You an ex-crab ??

Tell you one thing, bet the Loadie had his hand ready to pull the Jesus Bolt !

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07-10-2008 03:24 AM  9 years agoPost 20
TheRickster

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Beaumont Texas

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I like watching the ground crew throw that ground strap first to get the static electricity out of the hook..

Rick

If in doubt lean it out . We don't do this to save money, we save money to do this

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