Kevin
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Latest Activity

Kevin commented on Chris Anderson's blog post DroneClash takes brings full destruction to drone racing
"Don't worry, the Iris amazingly survived this ordeal! Mostly :)"
Mar 17
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"@JB, so you say 4.8A at 40 knots with 2.6KG AUW, that is extraordinary. What kind of forward motor are you using? To answer your vibration question, that is remarkably not a problem at all. We used to do tests with a Logo600 before, and indeed…"
Sep 23, 2016
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"@Ikaros, thanks! We indeed have had GPS problems, so we have two of those and switch based on satellite coverage and pitch angle. The 900MHz back up datalink link has two antenna's. (one for hover, one for fwd). The Iridium antenna is…"
Sep 23, 2016
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"Interesting numbers! So, we aim for 9.2A at 35 knots, and 20A during hover. Both with 2 x 6S in parallel (i.e. 4kg AUW). It can lift up to at least 4.2 kg with good controllability, we did not test the limit yet. It can stay hovering for a…"
Sep 22, 2016
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"@Chris, thank you!. We have not experimented with larger control surfaces in practice. However, the moment we started using our current surfaces in the hover control loop greatly increased controllability. I suppose that if you really want to, you…"
Sep 21, 2016
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"Thanks Jason.  In the early design stage we considered that we may need to land with the wing in parallel with the wind. Since the competition will go ahead with up to 30 knots wind, we needed quite some torque to make that happen with such a…"
Sep 21, 2016
Kevin commented on Chris Anderson's blog post Delft VTOL project uses helicopter-style main rotor for effeciency
"Thank you all for the post and for the encouraging words! Let me clear up a few things: The standard configuration is 2 6S batteries of 4500mAh each. Depending the weather conditions during the Outback challenge we may go for 3 of those, or vary…"
Sep 21, 2016

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Please tell us a bit about your UAV interest
A.I. Vision researcher
Hometown:
Delft

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