Undertoad Monday Jul 24 01:02 PM7/24/2006: First battery-powered manned flight
Not just any batteries, but AA batteries produced by Panasonic, powered this first battery-powered manned flight last week.
According to the full story, 160 "Oxyride" AA batteries (20 serial cells formed one row, eight rows connected parallel: 30V) surged out almost 900W of power.
Enough to get a "Wright Brothers" kind of flight - 59 seconds, 6 meters off the ground, and virtually outrun by the people on the ground. Still, it's something. It's a start.
I figure my frame could get off the ground with roughly twice that number of cells, so, I would like a battery operated plane, please.
glatt Monday Jul 24 01:07 PMCool. Much more beautiful than the human powered Gossamer Albatross that crossed the English Channel when I was a kid.
Happy Monkey Monday Jul 24 01:15 PMThe perfect gift for the child of someone you don't particularly like! 160 batteries per minute!
Trilby Monday Jul 24 01:53 PMOne yard of drag will slow the something something 20%--so says some damn book by Dan Brown (is Dan Brown really a name?) anyway...I'm not impressed.
'Course, I'm just down the road from the Wright Brothers Museum...
xoxoxoBruce Monday Jul 24 03:17 PMI'd like to know how they built that plane.
31m wingspan and it only weighs 44kg....batteries included. Amazing.
Pie Monday Jul 24 03:19 PM
Quote:
Originally Posted by Happy Monkey
The perfect gift for the child of someone you don't particularly like! 160 batteries per minute!
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Oh, you could use rechargables!
JayMcGee Monday Jul 24 07:22 PM
Quote:
Originally Posted by glatt
Cool. Much more beautiful than the human powered Gossamer Albatross that crossed the English Channel when I was a kid.
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I think I hate you.
Harrumph...... when I was a kid indeed.....
binky Monday Jul 24 07:57 PM
Quote:
Originally Posted by Happy Monkey
The perfect gift for the child of someone you don't particularly like! 160 batteries per minute!
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Great! I can just see my sister in law buying one of these for my kids next Christmas lol
capnhowdy Monday Jul 24 08:32 PM**finally**
Something that uses more damn batteries than my digicam...
DISCLAIMER: Warning These 'Wish Book' toys use 160 batteries a minute! Use of product may result in crash....
Kitsune Tuesday Jul 25 09:35 AM
Quote:
63kg including T-shirt and bicycle helmet.
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Almost 139lbs. They might have been able to squeeze a little more time and altitude out of the flight had they found a jockey for a pilot.
wolf Tuesday Jul 25 01:09 PMJust out of curiosity ... what's the cost of batteries, versus, say, the cost of gas to run something like that?
Doesn't look real efficient to me.
MaggieL Tuesday Jul 25 02:00 PMAvGas is $4/gallon at the airport where I fly. My 2,500 lb four-seater burns 9 gallons an hour, makes about 120 mph over the ground.
So I guess it has mostly to do with how you define "something like that". Rotax ultralight engine fuel consumption runs from 4 gal/hr (50 hp) to 9 gal/hr (100 hp). The abovementioned four-seater has a 180hp engine.
xoxoxoBruce Tuesday Jul 25 08:43 PMIt said some of the students ran faster than the plane, which flew almost a quarter mile in 59 seconds.
That's almost a 4 minute mile, speed.
milkfish Tuesday Jul 25 09:40 PMI would be much more impressed to hear of the first twisted-rubber-band manned flight.
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