I was browsing ebay and a model sr 91 aurora showed up.
Donuts on a rope contrail.
They clearly are not the same contrail then i read an article i think on wikipedia about aurora.
An update to the exotic propulsion aircraft page on the federation of american scientists web site that was recently brought to my attention provides a new photograph of a donuts on a rope contrail shot on november 10 2006 these contrails are interpreted by many people as evidence of secret high speed aircraft utilizing pulse detonation wave engines pdwe.
Donuts on a rope contrail buena vista co 10 20 12.
I went to the web looking for donuts on a rope.
Well after studying the now famous contrail photographed by steve douglass some years ago now i decided to see if these vapour trails were made just by secret aircraft or possibly normal jet engined aircraft such as fast jets and airliners.
Or black programs may notice that the center section of the contrail is extremely similar to the famous doughnuts on a rope contrail.
Sometime around the early 1990 s the people who get excited about such things got excited about donuts on a rope contrails which many assumed were the results of pulse detonation engines powering hypersonic aurora spyplanes.
There are many photos of strange contrails shown.
Donut on a rope contrails are they made by normal jet aircraft or secret black programs.
And europe suggesting that the classified pulser is no longer.
Of course it turned out that these contrails if you actually traced them to their sources were being left.
Government has consistently denied such an aircraft was ever built.
Aurora spy plane ion propulsion.
Aurora was a rumored mid 1980s american reconnaissance aircraft there is no substantial evidence that it was ever built or flown and it has been termed a myth.
