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« on: May 21, 2015, 01:16:58 PM »
anwar
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anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!anwar is awe-inspiring!
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Now this one can make Amazon delivery easier Wink

http://www.roboticstrends.com/article/hycopter_drone_flies_for_4_hours_via_hydrogen_power
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« Reply #1 on: May 21, 2015, 01:32:33 PM »
sharlock
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This one is similar to the Hydrogen powered cars.
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« Reply #2 on: May 21, 2015, 09:03:32 PM »
Darshan for multirotors
Well now it flies!!
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Woah this is super friendly..and Anwar sir please convey these thoughts to amazon Giggle
Still wondering how to make a frame like that using hydrogen  Head Scratching Thumbs Up
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« Reply #3 on: May 22, 2015, 04:51:01 AM »
akhilzid
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Re:

Is this actually possible?
If hydrogen is compressed then have much weight, and loosely filled hydrogen is enough for 2.5 h flight?
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« Reply #4 on: May 22, 2015, 07:25:02 AM »
Darshan for multirotors
Well now it flies!!
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Hypothesis.. Can't be possible..actually logically thinking it cannot be done..
Agreed with akhilzid sir
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« Reply #5 on: June 16, 2015, 09:43:48 AM »
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Our team had a meeting last month with HES team visiting india. They will be setting up a unit in india soon and yes it is very much possible.
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« Reply #6 on: June 16, 2015, 01:30:29 PM »
yashodhanp
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This seems highly unlikely. 120gms hydrogen shall have a total available energy of 3900W or 3.9 kW, assuming the most efficient fuel cell at 75% , that gives a output of 2.9kW... So I don't think it viable at all
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« Reply #7 on: June 16, 2015, 05:19:34 PM »
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This another  Canadian company which set a world record in multirotor flight time. 3 hour 43 mins.
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« Reply #8 on: June 17, 2015, 03:27:38 AM »
madaquif
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too true to believe.... Drool Drool Drool
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« Reply #9 on: June 17, 2015, 03:43:11 AM »
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just checked their website.....n guess what I found.Shocked Shocked Shocked
..10 hrs of flight time.....  Drool Drool Drool

http://www.energyor.com/products/detail/h2-endurance-uav#included

this is truly amazing.... Drool Drool Drool Drool

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« Reply #10 on: June 17, 2015, 03:48:49 AM »
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As per their vid ....they achieved this in 2011 Shocked Shocked Shocked

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« Reply #11 on: June 17, 2015, 04:51:35 AM »
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Look at the size of the tank, it certainly has at least 2-3 KGS of of Gas in it. While the one claimed to have 10 hour endurance is an aircraft. Aircraft typically dont need as much energy to fly as quads. While the original horizon quad has only 120 GMs of Hydrogen
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