10,000 FEET! HOW COLD and HOW LONG TO FLY a Weightshift Microlight there? What about Oxygen?

Описание: How Fast can a Microlight Flexwing Trike Climb to 10,000 Feet AMSL?

PART 1. (Part 2 includes views of Fraser Island and the Gliding Descent).
Ever been alone.... at 10,000 feet? TEN THOUSAND feet! No one else - just you, the air around you, and the open cockpit aircraft. That's 3.048 kms, 1.893939 miles, or 120,000 inches.

Why are we here? And how long did it take to get here?
I'll be back in a moment to tell you after I find a warmer place to talk!
We will also test whether or not I can glide back to the airport - from 10,000 feet, but with one big added difficulty....

I know you have many questions right now.
How long did it take me to get there?
How cold was it?
What about oxygen?
Was it windy or turbulent?
How did I get back down - just joking on that one.

Getting there wasn't that easy because of where I live. I fly from Maryborough, Queensland Australia, next to a controlled airspace that I am not permitted to enter.
Why should that be difficult I hear you say.
Glad you asked.
This is a designated controlled north south airline corridor and it exists up from 8,500 feet. I am not allowed to go in there!
Fortunately the edge of the corridor is over the Sandy straits, not too far away. So if I climb steadily I will be able to reach it's edge of 8,500 feet just right, and then be able to continue climbing to my maximum legal altitude of 10,000 feet shortly after.

Let's go and start the flight ascent, and I will answer those earlier questions as we go.

How long did it take me to get there?
Watch the counter on the screen. Here are my flight planning calculations - approximations only using no wind.
We will be climbing at an average of 650 feet per minute from Sea Level to 10,000feet. Easy math 10,000/650 tells us 15 minutes. Climb speed will be around 60 knots. But I have to be careful not to climb too fast into that airspace at 8500 feet.

How cold was it?
On the ground it was 16 degrees Celsius. Lapse rate - or the rate at which temperature decreases proportionately with altitude - is 2degrees Celsius per 1000 feet. So 10,000 AMSL should be about minus 4 degrees Celsius. It was actually a pleasant +5 degrees Celsius. A temperature inversion must have helped me out here.

Oxygen ... is Not required at or below 10,000 feet.

Was it windy or turbulent?
There was a westerly 20kt wind as I climbed north, but it was quite smooth. Very pleasant at 10000 feet, i chose a great day. But of course its not always like this and even better, there were no clouds either.

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