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everettmcollier(at)yahoo.
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 Posted: Tue May 21, 2013 9:01 am Post subject: Pulsar Airfoil Note |
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The Pulsar was originally going to have a cambered airfoil (MS(1)-0313) but Mark took out the camber for the wing after the fuselage molds were made. If you want to see the original airfoil you can look at the wing shape on the fuselage wing root.
I plotted the airfoil section (MS(1)-0313) out over 20 years ago when it was first published, probably in the newsletter. If you draw a streight line accross the bottom of the section that eliminates the camber you will get what I believe Mark did. Removing the camber has a couple of advantages for the builder. Not having the camber might make skinning the lower surface easier (no camber in the ailerons or flaps)!
Everett Collier
N167EC
(Currently out of commision due to a broken front wheel fork.)
[quote][b]
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paqs345(at)gmail.com
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| Posted: Wed May 22, 2013 6:29 am Post subject: Pulsar Airfoil Note |
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A small correction to what you wrote:
The airfoil still has camber, otherwise it would be symmetric. What
was done was straightening out the lower surface. This has the
advantage for easier manufacturing for the control surfaces and lower
aileron forces, important with the short stick.
Sonja
On 5/21/13, Everett Collier <everettmcollier(at)yahoo.com> wrote:
| Quote: |
The Pulsar was originally going to have a cambered airfoil (MS(1)-0313) but
Mark took out the camber for the wing after the fuselage molds were made.
If you want to see the original airfoil you can look at the wing shape on
the fuselage wing root.
I plotted the airfoil section (MS(1)-0313) out over 20 years ago when it was
first published, probably in the newsletter. If you draw a streight line
accross the bottom of the section that eliminates the camber you will get
what I believe Mark did. Removing the camber has a couple of advantages for
the builder. Not having the camber might make skinning the lower surface
easier (no camber in the ailerons or flaps)!
Everett Collier
N167EC
(Currently out of commision due to a broken front wheel fork.)
|
| | - The Matronics Pulsar-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Pulsar-List |
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