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Old 04-27-2013, 08:44 AM   #1
Ricardo Kuhn OP
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Wicked Solarimpulse, a "solar" airplane flying all over the USA

Pretty amazing stuff here is the Link

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Old 04-28-2013, 01:13 PM   #2
UngaWunga
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People who create things like this amaze me. Awesome.
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Old 04-28-2013, 02:12 PM   #3
Roland44
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Originally Posted by UngaWunga View Post
People who create things like this amaze me. Awesome.
Same here. Amazing invention, I need to buy a beer to the guy who thought that
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Old 04-28-2013, 02:32 PM   #4
Beemer Bob
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It's 30 MPH of fragile.....Good luck. Needs calm still air......

I did get to see this fly at Sun n Fun. Goes good and it was windy the whole week.
No problem.....
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Old 04-28-2013, 05:51 PM   #5
TimeOnTarget
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Thumb Solar plane

I had lunch with one of the pilots a few weeks ago. They are really doing some amazing things with this technology.
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Old 04-29-2013, 10:39 AM   #6
Ricardo Kuhn OP
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Notice something..
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Old 04-29-2013, 01:11 PM   #7
Cumminsman76
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Quote:
Originally Posted by Ricardo Kuhn View Post
Notice something..
Batteries.
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Old 04-29-2013, 03:54 PM   #8
pachap
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That is so freaking cool.
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Old 04-29-2013, 04:00 PM   #9
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Quote:
Originally Posted by Ricardo Kuhn View Post
Notice something.. "Pic of it flying at night"
From the site. Interesting power saving ideas.

"During the day, the pilot slowly ascends to a higher altitude in thinner atmosphere to avoid turbulence and cloud formations. Interestingly, the solar generators also convert more energy at altitude. Sun radiation is partly absorbed by Earth´s atmosphere before reaching the ground. The higher Solar Impulse is climbing, the more sun power is available and can be stored in the batteries. In fact, for the highest possible solar power generation, HB-SIA should be in outer space; but that’s a little too far for the time being.
As the sun begins to set on the horizon, solar power obviously decreases. Once the available solar power is not sufficient to support level flight anymore, the pilot reduces the motors and initiates a gentle descent (about 0,4 m/s) to a low night loitering altitude of 1000-1500m meters. Out of its maximum altitude of 28000ft (8000m), the prototype can glide for 4-5 hours consuming almost no electric energy. When the lowest altitude is reached, usually long after sunset, the motors, now powered by the batteries, are used to maintain a level flight at 25 knots until the morning. As the breathtaking tones of the sun on the horizon start filling the sky with warmth, the aircraft can once again begin its ascent, and the cycle begins."
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Old 04-29-2013, 04:57 PM   #10
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Quote:
Originally Posted by DakarNick View Post
From the site. Interesting power saving ideas.

"During the day, the pilot slowly ascends to a higher altitude in thinner atmosphere to avoid turbulence and cloud formations. Interestingly, the solar generators also convert more energy at altitude. Sun radiation is partly absorbed by Earth´s atmosphere before reaching the ground. The higher Solar Impulse is climbing, the more sun power is available and can be stored in the batteries. In fact, for the highest possible solar power generation, HB-SIA should be in outer space; but that’s a little too far for the time being.
As the sun begins to set on the horizon, solar power obviously decreases. Once the available solar power is not sufficient to support level flight anymore, the pilot reduces the motors and initiates a gentle descent (about 0,4 m/s) to a low night loitering altitude of 1000-1500m meters. Out of its maximum altitude of 28000ft (8000m), the prototype can glide for 4-5 hours consuming almost no electric energy. When the lowest altitude is reached, usually long after sunset, the motors, now powered by the batteries, are used to maintain a level flight at 25 knots until the morning. As the breathtaking tones of the sun on the horizon start filling the sky with warmth, the aircraft can once again begin its ascent, and the cycle begins."
awesome...
They've been flying this for a while now. nice to see them pushing it forward though.
Now all they need to do is master the act of mid-air refueling...of the pilot.
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Old 05-01-2013, 08:39 AM   #11
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From their facebook page

Quote:
Solar Impulse’s 2013 Across America itinerary is now official!

Moffett Airfield (Mountain View, CA)
Sky Harbor International Airport (Phoenix, AZ)
Dallas/Fort Worth International Airport (Dallas, TX)
Lambert-St. Louis International Airport (St. Louis, MO)
Dulles International Airport (Washington D.C.)
John F. Kennedy International Airport (New York City)
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Old 05-01-2013, 02:29 PM   #12
DakarNick
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Originally Posted by Ricardo Kuhn View Post
From their facebook page
Doesn't itinerary usually include dates?
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Old 05-01-2013, 02:31 PM   #13
Sniper X
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Originally Posted by DakarNick View Post
Doesn't itinerary usually include dates?
Me finks that is pretty much a given.
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Old 05-01-2013, 02:32 PM   #14
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Quote:
Originally Posted by Ricardo Kuhn View Post
Notice something..
all the lights in town are on?
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Old 05-01-2013, 02:40 PM   #15
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While it is "cool" I think a glider could do most of this. Longest recorded flight for a glider is over 15hours and 2500km with no engine. A glider can also fly in normal conditions not these almost unrealistic calm days.
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