Strakes??????

Originally posted by Matthew Murray
I heard that the Beech 1900D is quite “touchy” to fly…

Actually it’s a great flying airplane. It would have to be since it doesn’t have an autopilot. It’s not pretty to look at but it’s a pleasure to work with. 🙂

As wysiwyg said, all that stuff is a result of a “retro fit.” It’s a stretched B200 so they had to alter the frame to account for the changes. Strakes for deep stall characteristics. Stabilions to allow for an increased CG envelope (larger rear cargo hold). Winglets for lower drag and Tailets for better yaw stability due to the lengthened fuselage.

Nobody said all long fuselages have to have them, just some. They tend to be added as a retrofit to the initial design to cure problems found during flight testing. Sometimes you will find strakes on aircraft registered to one authority which are not required on aircraft registered to another due to differing airwortiness requirements.

It is also worth mentioning that some radio equipment uses blade antennas which could be confused for being a small strake.

Bad design

Originally posted by Whiskey Delta
…and on a B1900D. These fit the description that I gave for strakes before as well as those on the 145 above. You’ll see these types of strakes on a lot of the Lear series.

The B1900d must be one unstable puppy!

Its got strake,s winglets, taillets and **’lets everything sticking out all over the place!

That things gotta have more surfrace area than a 747!!

Originally posted by Matthew Murray
The Dash 8-Q400 has Fuselage Strakes, lower fuselahe roughly in the middle.

I have no idea why the 757-300 doesn’t have them, perhaps the position of the wing, etc precludes the use of fuselage strakes. Boeing Engineeers must be smart hehehehe

Yes, I was talking about Engine Strakes, previously!

The 757-300 has no strakes.
I’m not privvy to the aerodymanical figures of the 757, but it must be effecient/stable enough not to need strakes.

The Q400 has to have the longest strakes I’ve ever seen.

It was a rhetorical question,i meant:

The boeing 757-300 is just as thin and long as other planes and i dont see them anywhere…….do you:confused:

Where are the 753 strakes located?

boeing 757-300’s are reasonably long and thin

…and on a B1900D. These fit the description that I gave for strakes before as well as those on the 145 above. You’ll see these types of strakes on a lot of the Lear series.

Here they are on a version of the 145.

It’s an MD-80. the whole aircraft is flimsy…

They look flimsey on that last pic.

and another picture.

one thing I have noticed. These nose strakes are predominantly found of aircraft with long, thin fuselages forward of the wings.

Originally posted by Airline owner
what are strakes

Strakes are little aerodynamic board of metal that protrude from the fuselage
Heres a pic of the nose strakes on concorde.

These help stabilise the airflow around the fuselage during moments of high angle of attack. for example, when concorde is on approach. (simplified explination)

Photo courtesy of Ren Frew ltd. ( LOL )

what are strakes

Sorry guys.What are strakes ?

We were referring to rear fuselage mounted strakes but Matthew was talking about the strakes that appear on engine cowlings on CFM engines towards the upper inner region.

I’ve never noticed them on the 737 family of airliners

so was I so…ditto!