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Fastest Speed OLC ever recorded? Flown by Tito during Sierra waveflight 6-09-18.
On Tuesday, June 12, 2018 at 3:51:35 PM UTC-7, wrote:
And speaking of fast gliders, on the same day and a few miles to the southwest at Bird Springs Pass, a new dynamic soaring speed record of 545 MPH was set with a radio controlled glider!
Go to the 3rd page of comments for a video.
They had 80 mph winds at ridgetop.
It's a very technically competent group of people. I'm sure the flight wasn't gone into without appropriate considerations of the flight limitations. I was a bit surprised they chose to tow into the wave rather than use the jet engine for launch.
At this point it's up to the Duckhawk V to better the record, although the pilot workload is pretty high and having a multi-seater is an advantage.
Fastest Speed OLC ever recorded? Flown by Tito during Sierra wave flight 6-09-18.
At 17:57 12 June 2018, wrote:
On Tuesday, June 12, 2018 at 10:44:01 AM UTC-5, Tom Kelley
Points for the flight 279.92
scoring distance 783.79 km
Speed 313.51 km/h
Scoring class double
Scoring start 23:56:30
Scoring end 02:56:45
Club Perlan Project
Date of claim 10.06.2018 03:26:24
Best. Tom #711.
So how did they get around the plane's VNE of 280 km/h? Can't
tailwind because the trace shows speeds of up to 380 km/h going
Northbound and Southbound.
True airspeed goes up with altitude at a rate of ~2% per 1000'.
So, in wave at 20,000' the true airspeed is ~40% higher than
the indicated airspeed... 280 km/h indicated = ~ 392 km/h in
true airspeed at 20k ft.....
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