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I've been a helicopter enthusiast since childhood (I'm 58) and I have never heard of a Del Mar DH-20 .

On the exceptional tractor two seat in picture n°5. Builded by Christian Bonnafous It engine comes from a modern car. Four stroke and...

Coriolis explains by an imaginary force an anomaly of movement in a reference whose acceleration has been omitted.

I gave demo flying the SC Vortex M912 last year. They are looking for more volunteers! Hint hint -Tyger in your Magni!

Kolibri does it mention the airport the recording was from? It came from a site that records several airports in that area. I should be...

The link was sent to me in a message on facebook. Can I search for messages? It does not come up in my activity search. It should with...

This sounds about right to me. I'm trying to find it on facebook anyone knows of a better way to search it was months ago.

In the discussion of forces, real and imaginary, in the thread On the flapping and lead-lag blade oscillations (in German) Coriolis is...

Jean Claude mentioned Coriolis in a post above. I have a question about it, but didn't want to side track this thread so I started...

In the discussion of forces, real and imaginary, in the thread On the flapping and lead-lag blade oscillations (in German) Coriolis is...

PS you can hear the impact so it was at least readable at 50 feet. It's not crystal clear but you can hear even the wind rush in at 50...

I need to find the links you are going back months. I would not offer a report to the FAA on my memory of it now only my conclusions...

The mayday tape is the best witness we have that back up the witnesses except for the no deviation of course at the end at all for a...

I feel too much emphasis is being placed on this "Nose Dive" scenario and certain facts are being skewed to support it, aircraft can...

John, radar contact was lost at 900', wasn't it? (NTSB prelim) First I've heard of 700', or that they had tied any altitude to the...