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-   -   Where'd the tail go? (https://www.pprune.org/rotorheads/622636-whered-tail-go.html)

Robbiee 18th June 2019 19:17

Where'd the tail go?
 

Rotor George 18th June 2019 19:44

Peter the "Pumpkin eater" will have all the answers.

Lantern10 18th June 2019 21:41

Davy Jones's locker by the look of it.

RINKER 18th June 2019 22:10

Good job by the pilot.

SASless 18th June 2019 22:25

Excellent Airmanship!

gulliBell 18th June 2019 23:11

Pilot and two passengers on board. Tail rotor fell off just after take-off. I've got a hunch the mechanic might be feeling a little nervous about it! I wonder if the passengers get a refund?

https://www.local10.com/news/florida...n-off-key-west

WillyPete 19th June 2019 16:13

“The back fell off”

FH1100 Pilot 19th June 2019 21:06


Originally Posted by WillyPete (Post 10497791)
“The back fell off”

Nobody...at least no helicopter pilot is going to get that joke without the link to the hilarious video.

Lantern10 19th June 2019 22:13

The funny video refers to the front falling off


Cutsnake 20th June 2019 06:15

Ummm I think the mechanic is safe 🧐
I’d be checking the leading edge on the blades 😬

Nubian 20th June 2019 07:19

Hmm.....

https://www.instagram.com/explore/tags/n1241w/?hl=en

hayes67 20th June 2019 08:27

Great there's been a happy ending for the pilot and the pax, guess somebody else will have some explaining to do, but on a lighter note I've now been enlightened by 'the front end fell off' .... just spend the last 10 mins watching several vids by the same guys!, ta very much and sorry if that high jacked the post!

Hot and Hi 20th June 2019 19:29


Originally Posted by Nubian (Post 10498312)

Maybe the tail cam came off before the tail came off

Self loading bear 21st June 2019 15:39


Originally Posted by Cutsnake (Post 10498271)
Ummm I think the mechanic is safe 🧐
I’d be checking the leading edge on the blades 😬

Nothing wrong with the leading edges.
The whole tailrotor is cutting edge technology!

Cutsnake 21st June 2019 21:38


Originally Posted by Self loading bear (Post 10499752)


Nothing wrong with the leading edges.
The whole tailrotor is cutting edge technology!


No

Its a perfect example of a negative G tail boom strike.

Maybe the pilot does believe it just fell off...

gulliBell 22nd June 2019 00:03

The R44 main rotor blades are long enough to hit the tail and take it clean off, really?

MLH 22nd June 2019 03:23


Originally Posted by Cutsnake (Post 10499995)



No

Its a perfect example of a negative G tail boom strike.

Maybe the pilot does believe it just fell off...

Too far aft and too clean for a tail boom strike.

Cutsnake 22nd June 2019 04:57


Originally Posted by MLH (Post 10500099)
Too far aft and too clean for a tail boom strike.

I will eat my humble pie. You are correct!

Flying Bull 22nd June 2019 17:07


Originally Posted by Cutsnake (Post 10499995)



No

Its a perfect example of a negative G tail boom strike.

Maybe the pilot does believe it just fell off...

Take a look at the photo. There is still tailboom, where the mainrotor ends.
So no tail boom strike here....

rottenjohn 23rd June 2019 05:29

It will be interesting to find the reason. Gone from the gearbox. Sort of wonder if the tail rotor has struck a bird, drone or something has come from the cabin and taken out a TR blade

gulliBell 23rd June 2019 06:32

More than gone from the gearbox....everything back there has fallen off, except for that bendy thingy that is still attached to the tail boom. The TRGB attaches to the tail boom independently of the vertical/horizontal fins, right? I might wildly imagine one or the other could fall off due improper maintenance, hard to imagine both would fall off.

gulliBell 23rd June 2019 06:48

Found the bits that fell off. Floating on the ocean not far from where the Robinson landed on the ocean. That has tail strike with ocean whilst in flight causing bits to fall off written all over it.


aa777888 23rd June 2019 10:18

That doesn't look like tail parts floating. All that stuff would sink right to the bottom.

So far the best guess someone already posted above is a problem with the tail camera that this operation apparently used from time to time.

MLH 23rd June 2019 13:03


Originally Posted by Cutsnake (Post 10500121)

I will eat my humble pie. You are correct!

A wild guess says that a catastrophic TR failure occurred and the massive imbalance shook the gearbox and tail feathers from the boom.

FH1100 Pilot 23rd June 2019 18:23

From this amateur NTSB sleuth: I don't know anything about R-44's, but my guess would be that the last tail rotor drive shaft coupling (the one that attaches it to the gearbox) came undone. That left the shaft flopping around back there and it sawed the back end off. I've had *two* tail rotor failures in 206's. In both cases couplings came apart. Each time, the unsupported shaft sliced a big hole in what was below it - in this case of the 206, the tailboom. Seems to me that the R-44 t/r driveshaft runs inside the boom?

Robbiee 23rd June 2019 19:40


Originally Posted by FH1100 Pilot (Post 10501316)
From this amateur NTSB sleuth: I don't know anything about R-44's, but my guess would be that the last tail rotor drive shaft coupling (the one that attaches it to the gearbox) came undone. That left the shaft flopping around back there and it sawed the back end off. I've had *two* tail rotor failures in 206's. In both cases couplings came apart. Each time, the unsupported shaft sliced a big hole in what was below it - in this case of the 206, the tailboom. Seems to me that the R-44 t/r driveshaft runs inside the boom?

Yes, it runs inside and connects to the gearbox at the end via 4 bolts. In the R22 there is a little window through which you can look to check the torque stripes on said bolts. However, it has been a long time since I have flown a 44, and I've actually forgotten if it has that little window as well?


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