Guest

Rough Field Deflector

Fri Jul 21, 2000 2:39 pm

Good evening guys,
This morning I was spotting at YUL, when this 737-200 lanuched himself. As he got airborne I noticed something I've never seen before on any aircraft. It's a flat metalic plate located aft of the front gear. I tried to look for an answer but the only thing I could find was that it is called a "Rough field deflector". Could somebody please enlight me on it's usage, the way it works, how is it stored when the gear is up?

Thanks a lot

Nicolas @ YUL
 
Guest

RE: Rough Field Deflector

Fri Jul 21, 2000 2:41 pm

Oh here's a pic of it.


Click for large version
Click here for full size photo!

Photo © Brian Hill

 
Guest

RE: Rough Field Deflector

Fri Jul 21, 2000 3:25 pm

I think the deflector is there to prevent stones and other debris from being kicked up by the nosegear and entering the engines.
 
avt007
Posts: 1989
Joined: Mon Jul 10, 2000 4:51 am

RE: Rough Field Deflector

Fri Jul 21, 2000 10:02 pm

It is part of a gravel kit, for operating off dirt strips. It protects the belly from rock damage. Note also below each engine intake is a mast, or probe. These blow bleed air ( compressed engine air) to deflect any debris from being ingested into the engine. First Air flies up north a lot. You'll also see this on some Canadian 737s, the old Canadian North machines. They also have a cargo door.
 
L-188
Posts: 29881
Joined: Wed Jul 07, 1999 11:27 am

RE: Rough Field Deflector

Sat Jul 22, 2000 2:11 am

Most of Alaska Airlines 737-200QC's are also equipted with the gravel kit...This is why Alaska will be getting rid of their MD-80' long before the -200's are gone.

OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
 
AC183
Posts: 1496
Joined: Tue Jul 06, 1999 10:52 am

RE: Rough Field Deflector

Sat Jul 22, 2000 4:50 am

It's for deflecting debris on gravel runways in the arctic, it keeps rocks out of the engine and off the fuselage. You see them on First Air aircraft as they're an arctic operator. They're also on, as noted, Canadi>n North's 737's and on several of Candi>n's 737's that used to fly the northern combi runs, or came from the mergers with Nordair, Transair, and from the aircraft used on Pacific Western's northern operations.

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