marc kobaissi
Posts: 107
Joined: Thu Mar 29, 2001 2:31 pm

Aircraft Tire Trivia Question!

Tue Apr 13, 2004 8:40 am



Can you name two aircraft that have chines on their REAR tires?


-Marc K



 
DC-10Tech
Posts: 291
Joined: Fri Jun 15, 2001 6:40 pm

RE: Aircraft Tire Trivia Question!

Tue Apr 13, 2004 2:55 pm

Whoah, good question, let me think about that one.
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pilotpip
Posts: 2821
Joined: Fri Sep 19, 2003 3:26 pm

RE: Aircraft Tire Trivia Question!

Tue Apr 13, 2004 3:16 pm

For those of us out there who aren't aware of what chines are, can we get an explanation? Or does that give the trivia question away?  Smile
DMI
 
liamksa
Posts: 301
Joined: Mon Oct 29, 2001 1:13 pm

RE: Aircraft Tire Trivia Question!

Tue Apr 13, 2004 5:18 pm

Pilotpip,

Chined tyres are used on aircraft with aft-mounted engines to limit the amount of water kicked up off the nosewheel and then ingested by the engines when taking off from a runway with a lot of standing water.

As for which aircraft with chined tyres on the mains -  Confused

Edit: Is it a bizjet maybe Marc?

[Edited 2004-04-13 10:20:14]
 
DC-10Tech
Posts: 291
Joined: Fri Jun 15, 2001 6:40 pm

RE: Aircraft Tire Trivia Question!

Tue Apr 13, 2004 5:39 pm

I'm stumped. It would have to be an aircraft who's rear tires could kick water into the engines, but I'm drawing a blank as to what that might be!
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AUAE
Posts: 292
Joined: Fri Apr 09, 2004 4:41 am

RE: Aircraft Tire Trivia Question!

Wed Apr 14, 2004 1:58 am

I will guess maybe it is aircraft with rear facing props. So I will guess the Piaggio (sp?) and the Beech Starship.

Air transport is just a glorified bus operation. -Michael O'Leary, Ryanair's chief executive
 
Air1727
Posts: 318
Joined: Mon Aug 25, 2003 10:57 am

RE: Aircraft Tire Trivia Question!

Wed Apr 14, 2004 3:12 pm

What a cool trivia question...

Single and dual-"Chine" tires are usually only on the nose gear. Never seen them on mains...

Looking forward to the answer...
In the Alaska bush I'd rather have a two hour bladder and three hours of gas than vice versa.
 
TechRep
Posts: 1877
Joined: Sun Jan 13, 2002 6:53 am

RE: Aircraft Tire Trivia Question!

Wed Apr 14, 2004 7:08 pm

"Chines" must be some kind of slang word because they are called Rib deflectors. Goodyear doesn't make a DT or Deflector Type tire for any aircraft main tire, commercial, GA or business.

My guess it will be some oddball special application aircraft, like the Concorde and it's ilk. Im sure the Russians would use something odd like that too.

TechRep
 
saintsman
Posts: 2037
Joined: Fri Mar 15, 2002 12:34 am

RE: Aircraft Tire Trivia Question!

Thu Apr 15, 2004 4:40 am

This is probably not what Mark K was looking for but interesting never the less.

http://www.sensorsmag.com/articles/0300/14/main.shtml

It's about an experiment to spin the tyres before landing.
 
galaxy5
Posts: 1952
Joined: Sat Mar 18, 2000 10:09 pm

RE: Aircraft Tire Trivia Question!

Thu Apr 15, 2004 5:26 am

727, 737s i think have chines, I think alot of the russian airlines have chines if i recall.
"damn, I didnt know prince could Ball like that" - Charlie Murphy
 
n685fe
Posts: 337
Joined: Fri Dec 12, 2003 7:01 am

RE: Aircraft Tire Trivia Question!

Thu Apr 15, 2004 7:54 am

.........................................................................................................727 MD80.......................................
psp. lead by example
 
Air1727
Posts: 318
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RE: Aircraft Tire Trivia Question!

Thu Apr 15, 2004 2:50 pm

Chined Tires is not slang at all; rib deflector is actually the "alternative" term for it since Chine can be confused with the fairing application along wing root leading and/or trailing edges. Chines are usually only found on nose gear tires; so when the mains came up, I was surprised...

Goodyear does not; but Michelin does...
In the Alaska bush I'd rather have a two hour bladder and three hours of gas than vice versa.
 
Mr Spaceman
Posts: 2723
Joined: Thu Mar 15, 2001 5:09 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 4:42 am

Hi guys.

I think the key word in this question is the one that Marc typed in large bold letters ........ REAR ......... which to me dosen't nessesarily mean the "main" tires.

Perhaps the two aircraft are taildraggers with chines on their "rear" tailwheel.

Are there any taildraggers that use chined tailwheels to help prevent the spray of water, mud, slush, etc, from flying up into the hingeline of the elevator such as a DC-3? Just a thought. Big grin

I believe you can see the chine on the one nosegear tire on this Fokker 70.


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Photo © Jacek Zlotnicki [epwa_spotters]




Chris  Smile

"Just a minute while I re-invent myself"
 
Jetmek319
Posts: 193
Joined: Fri Sep 26, 2003 8:02 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 4:46 am

I seem to remeber that the B727 has chines, or rib deflector if you choose. Been a while since I bent tin on a 727!
Never, ever moon a werewolf !!
 
Mr Spaceman
Posts: 2723
Joined: Thu Mar 15, 2001 5:09 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 5:18 am

Hi guys.

After looking at hundreds of photos of DC-3's I couldn't find any really good close up shots of the tailwheel and elevator. However, this photo shows what I meant by a chined tailwheel helping to prevent the DC-3's elevator hinges from getting sprayed with dirt, etc during takeoff & landing.

I don't think chined tires were being used back in the 1940's on aircraft like the DC-3, but, it's just a crazy idea to try to find an answer to what might be a trick question.


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Photo © Thomas Andre Hjelmen



Like I said, a REAR tire doesn't nessesarily mean a MAIN tire. Big grin


Chris  Smile
"Just a minute while I re-invent myself"
 
Air1727
Posts: 318
Joined: Mon Aug 25, 2003 10:57 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 5:58 am

Good points Chris; but having worked on DC-3s several times in the past, and last year a couple of times, none of the tail wheels had ribs/chines. Still clueless on my end...  Big grin
In the Alaska bush I'd rather have a two hour bladder and three hours of gas than vice versa.
 
AUAE
Posts: 292
Joined: Fri Apr 09, 2004 4:41 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 6:03 am

Good line of thinking Mr. Spaceman....

But I sure can't think of a chined tail wheel. Seems as though most I have ever seen were pretty flat. Not sure if a tail would really need a "chined" tire.
Air transport is just a glorified bus operation. -Michael O'Leary, Ryanair's chief executive
 
Mr Spaceman
Posts: 2723
Joined: Thu Mar 15, 2001 5:09 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 6:52 am

Hi guys.

Well, because Marc hasn't come up with the answer yet, I figured I'd stretch my mind backwards & sideways a bit to see what obscure thoughts would show up and that's what I got  Laugh out loud ........... based on the word REAR tire.

I'm sure the answer will make a lot of us think "Geese, why didn't I think of that!" Or the correct answers have already been mentioned.


Chris  Smile

"Just a minute while I re-invent myself"
 
TWAMD-80
Posts: 962
Joined: Tue Oct 16, 2001 8:25 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 9:59 am

I'd have to go for the good old MD-80 as well as the 717.

TW
Two A-4's, left ten o'clock level continue left turn!
 
phollingsworth
Posts: 635
Joined: Sat Mar 06, 2004 6:05 am

RE: Aircraft Tire Trivia Question!

Fri Apr 16, 2004 10:19 am

I'd have to go for the good old MD-80 as well as the 717.

TW:

While you could put them on the MD-80 series, they typically have deflectors on both the nose and main gear to remove the need to chined tires. This can be seen if you look close at the photo below.

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Photo © Ricardo Morales Aviation Photography of Mexico



Pete
 
AUAE
Posts: 292
Joined: Fri Apr 09, 2004 4:41 am

RE: Aircraft Tire Trivia Question!

Sun Apr 18, 2004 8:05 am

Marc!!!!

Whats the answer??
Air transport is just a glorified bus operation. -Michael O'Leary, Ryanair's chief executive
 
pilotpip
Posts: 2821
Joined: Fri Sep 19, 2003 3:26 pm

RE: Aircraft Tire Trivia Question!

Sun Apr 18, 2004 8:11 am

The 727-200 on my ramp right now has deflectors, so I can dispell one idea(at least for this specific case)


WE WANT ANSWERS MARC!!!!
DMI
 
concord977
Posts: 1224
Joined: Fri Jan 02, 2004 1:43 pm

RE: Aircraft Tire Trivia Question!

Sun Apr 18, 2004 3:30 pm

DC-9 / MD80 group

727-100 / 727-200

SR-71 (not sure why)


Am I close?

No info
 
saintsman
Posts: 2037
Joined: Fri Mar 15, 2002 12:34 am

RE: Aircraft Tire Trivia Question!

Tue Apr 27, 2004 11:25 pm

Marc. We're still waiting.
 
SlamClick
Posts: 9576
Joined: Sun Nov 23, 2003 7:09 am

RE: Aircraft Tire Trivia Question!

Wed Apr 28, 2004 12:01 am

Okay Marc, the way trivia works is that the person asking the question actually knows the answer. They may even post it.

No guess as to type, but inclined to think it is something with pusher props.

Happiness is not seeing another trite Ste. Maarten photo all week long.

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