Silhouette challenge
Join Date: Oct 2008
Location: Wales, UK
Age: 65
Posts: 6,062
Likes: 0
Received 0 Likes
on
0 Posts
Sinco jumps in and bingo....well done mate, it is the Kirsten cycloplane project of 1934 
To quote Aerofiles:
Kirsten 1934 = Odd design project—as a "cycloidal flying machine"—by notable professor of aero engineering Kirsten, one of several with revolving airfoil-shaped blades replacing wings and stablizer to offer faster airspeed and slower landings, as well as hover. Based on the wing-rotation employed by birds, in level flight cycloidal blades each make a half-turn for every revolution, giving horizontal top blades four times the lift per unit of a fixed wing, bottom blades would be vertical and provide thrust while moving backwards in the path of flight. Theory: If a bottom blade is moving backward at 100 mph, the top blade is moving forward at 200 mph with respect to the air—speed of the blades in their orbit plus speed of the machine that supports them.
Sinco has control.
To quote Aerofiles:
Kirsten 1934 = Odd design project—as a "cycloidal flying machine"—by notable professor of aero engineering Kirsten, one of several with revolving airfoil-shaped blades replacing wings and stablizer to offer faster airspeed and slower landings, as well as hover. Based on the wing-rotation employed by birds, in level flight cycloidal blades each make a half-turn for every revolution, giving horizontal top blades four times the lift per unit of a fixed wing, bottom blades would be vertical and provide thrust while moving backwards in the path of flight. Theory: If a bottom blade is moving backward at 100 mph, the top blade is moving forward at 200 mph with respect to the air—speed of the blades in their orbit plus speed of the machine that supports them.
Sinco has control.
Theory: If a bottom blade is moving backward at 100 mph, the top blade is moving forward at 200 mph with respect to the air—speed of the blades in their orbit plus speed of the machine that supports them.
As a tutor in aerodynamics one might find a serious flaw in that argument.
Join Date: Feb 2008
Location: Minehead Somerset UK
Age: 77
Posts: 1,502
Likes: 0
Received 0 Likes
on
0 Posts
Well done Graeme, bang on mate 
!!
And there was me, "worried" that people might be wasting their time looking for a single engine jobber
Apologies to LM, for all his brilliant work with the airbrush, gone in a few moments!
Noyade has control
!!And there was me, "worried" that people might be wasting their time looking for a single engine jobber
Apologies to LM, for all his brilliant work with the airbrush, gone in a few moments!
Noyade has control
And there was me, "worried" that people might be wasting their time looking for a single engine jobber 
Then I had an idea that David's Technicolour Silhouette Software Programme...goofed.
Went with a hunch...there should be a "dip" in the nose contour.
I'm awesome!
Did you get my e-mail?
