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  • http://www.suasnews.com/2015/03/34801/energyor-demonstrate-fuel-cel...

    I think this post requires an update. Joel.Lovell deserves an answer, and that answer is yes, over 2 hr flight time, with expectations to double that.

  • Lithium batteries have the most density of comercial batteries today.
  • johnny   I have seen an indoor flight of over 90 mins, but thats indoor,

  • I saw some hydrogen /lipo fusion fuel cells the other day that are being used in UAV´s if they use that then they might be able to acheive it, but the fuel cells themselves weigh several kilos, i doubt a cuad that small can carry them and still be stable

  • 4-6 hours endurance rotary wing UAV... but fuel engine.
    http://www.spacewar.com/reports/Indra_launches_UAV_market_growth_fo...

    indra-uav-pelicano-lg.jpg

  • Developer

    I would not even put 3-blade props on quad copter if i want to have high efficiency. But maybe they have figured out some magical pandoras box that really increases flight dramatically like they say on their sales brochure :)

    But yeah, let's first try to get that 1 hour flight time broken before looking 2hrs. And I am not talking any indoor hovering with ultra finetuned quad. I am talking normal outside flying on average day. 

  • Ok, these "look" like E-Flight 52. Even if they are as large as the 160 there is no way this thing is getting more than 20 min flight time (E-Flite Power 160, 10s4p6000, 20x6, 500g frame weight, 11kg GW) Other setups can get as much as 20kg GW with 20min flight times. But, this is no where near the 4 hours claimed, and the motors pictured are not P160s, P110s, etc. 

    And who uses e-flite motors on Multirotors?

  • Obvious hoax.
    Earl
  • 100KM

    If they got hold of the lithium batteries with the new graphene technology, 5 hours is nothing! Damn that's going to change everything..

  • 50lbs lift capacity? 1.5m frame width? 100m range (with satellite, maybe???). Who are they kidding?

    Now I've been designing multirotors for a while now and NOTHING with only 4 rotors is going to meet these specs. Law of diminishing returns...

    Can anyone tell what motors are on the rig in the pics or are these just renderings? Anyone seen one in flight, a picture of one in flight, or better yet a video? Nothing comes up from a search.

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