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Computer Scientist


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Activity Feed

Arash Joorabchi commented on Robert Krogh (hooks)'s blog post X8 flying wing
"@peter
thanks for the info and I am looking forward to see the videos of your new experiments with this airframe. It would be helpful if you could include the motor/esc/prop/battery specs and resulted characteristics, e.g., net weight, flight time,…"
Mar 17, 2012
Arash Joorabchi commented on Robert Krogh (hooks)'s blog post X8 flying wing
"@peter Have you changed anything since your long endurane flight: https://www.youtube.com/watch?v=4LFb8-n0M0o&list=UUMFmCadWjOasgR..."
Mar 16, 2012
Arash Joorabchi posted a blog post
Source: http://asmaraaerospace.yolasite.com/uav-airframe.php RJX1Airframe SpecificationsWing Span380cmLength250cmEmpty Weight21kgMTOW38kgAirframe MaterialHybrid Composite MaterialLanding GearAluminium Alloy + Hardened SteelWheelsRubber…
Nov 1, 2010
Arash Joorabchi commented on Roberto Navoni's blog post HG3.2 Preflight Check of first Hybrid Engine Variable Pitch Multicopter :) FOXTEAM
"Hi all,

As I understand, in this setting, it is the rotor pitch which is adjusted with a high frequency instead of the rotation speed and therefore, the rotation speed is constant at each given time for all the rotors. if this is the case, I am…"
Sep 20, 2010
Arash Joorabchi commented on Nima K's blog post Project Andromeda - Perseus Autopilot and Airframe Developments
"Just wondering if the ADIS16365 make up for its price."
Jun 30, 2010
Arash Joorabchi commented on Chris Anderson's blog post FAQ: What's the difference between a gyro and an accelerometer? Do I need both?
Jun 9, 2010
Arash Joorabchi posted a blog post
50 x 50 x 7 mm, 10 gramsRPSMA for antenna, 17 PC edge connections for power and data0.75 Watts transmit, 0.5 Watts receive, 3.3 VDCSynchronous high speed SPI (Serial Peripheral Interface)UART (Universal Asynchronous Receiver/Transmitter) to 115.2…
May 7, 2010
Arash Joorabchi commented on Colby sts's blog post Potential to capture and broadcast FPV video through phone
"I doubt that the current 3G mobile networks can handle the large volume of data required for real-time streaming of video in that resolution even when the handset is in the stationary position and also a substantial drop in the bandwidth is expected…"
Nov 23, 2009
Arash Joorabchi commented on Colby sts's blog post Potential to capture and broadcast FPV video through phone
"Hi Colby,

It might worrth experimenting with video calling for real time FPV instead of broadcasting the video over the Internet because using the video calling service you would be relying on the network provider to do the data copression and…"
Nov 23, 2009
Arash Joorabchi commented on Stephen Carlson's blog post Energy Harvesting for UAVs
"It is both good and bad news for me!

Good, because it means I was not so crazy after all, I was thinking about the application of magnetic field around HVLs for powering/charging a small UAV a few months ago specially after seeing this…"
Jul 6, 2009
Arash Joorabchi commented on Chris Anderson's blog post Google Android autopilot?
"Hi guys,

This website seems to be "the place", because googling any interesting drone related issue I end up here :)

I was also thinking about the application of G1 Android-based phones in drones.
Both its software and hardware cover a wide range…"
Dec 19, 2008