I'd bet they are structural. Cheaper/easier than internal ribs, of which
I'll bet it has fewer.
-----Original Message-----
From: Jim Nichols
Sent: Wednesday, June 15, 2016 4:53 PM
To: Olympus Camera Discussion
Subject: Re: [OM] IMG: Another Pretty Twin Otter
Yes, along with those wonderful turbine engines!
Jim Nichols
Tullahoma, TN USA
On 6/15/2016 4:51 PM, John Hudson wrote:
Another Canadian built product !
On 6/15/2016 6:34 PM, ChrisB wrote:
Thanks for those ideas and pictures, Jim. And why was the rudder ribbed?
Was it only for strength, or did it produce its own vortices and increase
the rudder's effectiveness?
Chris
C M I Barker | Gamlingay
On 15 Jun 2016, at 20:14, Jim Nichols <jhnichols@xxxxxxxxxxxxx> wrote:
Apparently the sky divers' Twin Otter is undergoing maintenance, so they
brought in a replacement today. This is Serial Number 66, from 1966.
http://www.gallery.leica-users.org/v/OldNick/Another+Twin+Otter.tif.html
The DeHavilland Twin Otter is loved and respected for its abilities and
its handling. To understand how this was achieved, one must look at the
details that DeHavilland worked into the design. An example pictured
here are the vortex generators that energize the airflow in the corner
between the fin and stabilizer to increase the response of the rudder
and elevator.
http://www.gallery.leica-users.org/v/OldNick/Vortex+Generators+on+Twin+Otter.tif.html
Fuji X-E1 and Leica Summaron 35/3.5
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