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Topic Review (Newest First)

  • 20-11-2019, 12:09
    69 ford
    Spitfires were all aluminium and rivets, a silhouette of a spitfire on the end fence would look nice
  • 20-11-2019, 08:56
    Chocks away Biggles!
  • 19-11-2019, 22:16

    Winging it part 2

    Well, having started 'Wing War III' lets see what mayhem I can cause with this post........

    I guess I need some mounts for the thing.
    These are made from 3mm aluminium. The tubes welded through not only improve the aesthetics (IMHO) they also add loads to the lateral strength of the mounts.

    The wing side of these is held in double-shear (which also adds lateral strength) courtesy of a 20mm diameter boss.
    These are riveted through the wing into the wide internal buttresses:

    Next job is to fold the edge of the Gurney flap over the lower panel to hold it all together and seal the wing edge.
    This also makes the top edge look really neat, but unless you're over 7ft tall this will be wasted on you:

    Last bit before sticking it on is to fit the end fences that started all this ridiculousness

    Roof mounts are held on by 4 SS countersunk cap-heads which will ultimately bolt through into support struts coming up from the cage.

    Yeah baby!

    I've got to make adjustable struts for the rear of the wing mount. I have all of the components ready. Just needed an approximate length once the wing was more-or-less in place.
  • 17-11-2019, 16:06
    Austin Martin
    Hey, glad to be of surface...…...
  • 17-11-2019, 10:27
    Broken Arrow
    Quote Originally Posted by legendlives View Post
    Well thank f*ck for all that.
    It's nice to know that I'll be able to drive my car upside down without fear of losing downforce....
    You got it just right, seeing as where you live, your car IS upside down....well, to me anyway..
  • 17-11-2019, 09:43
  • 17-11-2019, 07:44
    Well thank f*ck for all that.
    It's nice to know that I'll be able to drive my car upside down without fear of losing downforce....
  • 16-11-2019, 22:28
    The science stands: planes for aerobatics have a very symmetrical wing profile. Any wing can fly upside-down with the correct angle of attack, it's just that the drag increases.
  • 16-11-2019, 16:26
    Austin Martin
    The theory as I understand it, is that the curve in the upper surface of the wing causes the air to travel faster over it creating negative pressure underneath; that makes an aeroplane fly, the bottom of the wing can be flat or even slightly curved either way, so for an aerofoil, to aid downforce turn upside down (of course aeroplanes can fly upside down making a slight mockery of the science!)
  • 16-11-2019, 11:17
    I'm not either. I'm ok with the different surface length creating different airspeeds over each surface causing lift/downforce depending on which way up it is, beyond that.....further reading required
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