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Make mine aluminum , PLEASE......

N

n147yt

Charter Member
:isadizzy: This is a Lancair Columbia 350.:icon_eek:
View attachment 76017View attachment 76018View attachment 76019View attachment 76020

As the story goes:---> According to the pilot, the touchdown was normal and braking was applied. As brake pressure was increased the airplane began to shimmy. Brake pressure was reduced slightly in an attempt to reduce the shimmy, with no effect. Full braking was then applied. The shimmy became more intense as the aircraft speed decreased to a stop. The pilot stated that taxi to the ramp was normal. However, postflight inspection revealed damage to the empennage, gear struts, and main wheel fairings.

:faint::faint:
 
Yikes!
A bit overstressed during the flight at some point I should think...but remember, you can bend an aluminum plane doing the same thing ;)
 
As the story goes... not quite the same thing as the facts. :)

Signs of severe overstress! Looks like the tail was pushed down... the crack pattern suggests compression at the bottom of the fuse.

Based on the reported damage (tail, struts, wheel fairing)... the fool dropped it on the runway and the weight of the tail almost snapped it off. I'd say touchdown was only normal if the pilot was a Naval Aviator and he figures he scored an OK 3-Wire. :)
 
Silver Fox said:
As the story goes... not quite the same thing as the facts. :)

Signs of severe overstress! Looks like the tail was pushed down... the crack pattern suggests compression at the bottom of the fuse.

Based on the reported damage (tail, struts, wheel fairing)... the fool dropped it on the runway and the weight of the tail almost snapped it off. I'd say touchdown was only normal if the pilot was a Naval Aviator and he figures he scored an OK 3-Wire. :)
Click to expand...

That's what it sounds like to me too.

:d A trip to the local NAPA store for a gallon fiberglass repair kit and he can patch it up just like new. :173go1:
I hope that damage gets into the logbook too (if the airframe is even salvagable!) I for one sure wouldn't trust it afterwards.
Columbia 350 N166DS http://www.ntsb.gov/ntsb/brief.asp?ev_id=20080715X01053&key=1
 
I'd say that airframe is toast! Columbia's are mostly carbon fiber. I'd say that one is a write off. Sell the avionics and buy a Cirrus...


Brian
 
He had to hit hard. I'm surprised the gear didn't collapse and the tail fall off. Pilot needs a good :173go1:
 
The initial story on a bad landing usually changes from what I have read. I don't know how many times I've heard a gear up landing being described as "the gear collapsed".
 
but fibreglass is stronger than al-U-min-Ummmmm (bloody spelling!).

Well Mr Hammond and Airbus seem to think so.
 
From MoparMike's link to the NTSB...

However, postflight inspection revealed damage to the empennage, gear struts, and main wheel fairings.
Click to expand...

Yep, he hammered it.
 
John, they both miss speeled it. It sould be alnewminimum. ;)

And Lewis, they only make you think fiberglass is stronger... it's snot. We used to push down on the tail of 172s, all the time, to lift the nose wheel and spin them around. No damage done. You can't do that with fiberglass and I'd be very leary of doing it with a carbonfiber tailed a/c too.
 
If you prefer, we can use the old "Roger Ramejet" way ...

munimula (pronounced Moon E moola)
 
Piglet said:
Oh god no!!
Click to expand...

Whats wrong with Cirrus?


And... If stress tested, can this same incident happen with a similar constructed plane (equal size airframe area) made of aluminum? Its my knowledge that composites are far more stronger and liter then aluminum, though composites shatter as where aluminum will deform/crumple.


Personally, I think airframes should have chassis inside and the skins be non-stressed, but thats me. :d Birds have skeletons.. Their skin isnt stressed.. If you made a car like a beer can, and someone dents your door with their door, the strength of that panel is now massively compromised and might as well be replaced. With inner frames (like a simple ladder chassis) you wouldnt have to deal with that. The skin is then more easily replaceable and is non important by way of being an airframe.


Just my two cents worth.. (I have to get rid of all these pennies somehow.... ;) ).
 
Back about a two years ago a transient pilot pounded his Cessna 210 at the local airport. He dropped it in from about 20 feet in the air. Tail was bent, wings were bent, nose wheel was ripped off the firewall. right main collapsed...

And the guy wanted to fix it.

My boss at the time drove down to look at it. he didn't even walk half way around the airplane and declared it a write off.

Apples to apples, in a similar situation, you could have at least towed the cirrus (other than the nose wheel, they're a little flimsy in my opinion)

Brian
 
Yep...

Thats another beauty of plastics (composites) is they will flex a great deal.

Remember Burt Rutans ship that went around the world? Wings dragging on the ground? When they were bringing it to Oshkosh once, they moved the elevators up and down on approach, and the wings were flexxing massively up and down slowly like a giant bird, lol... comedians....




Bill
 
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