About

Gender

Male


Location

Torshavn


About Me:

Full-time geek, spend a lot of time tinkering around with electronics and now a devoted rc enthusiast


Please tell us a bit about your UAV interest

I love everything that goes in the RC plane, especially when it's small computers and gadgets, which makes it semi-/fully autonomous. I like the building and tinkering part the most and getting to fly it is just an extra treat that makes the whole experience a complete package.


Hometown:

Torshavn


Activity Feed

Ragnar Johannesen replied to Paul Atkin's discussion How to create an _immediate_ kill switch on PX4/APM?
"@Thomas
I used 10 because of thermal issues. 3 of them would dissipate ~21w@60A load but 10 would only dissipate ~6.3w@60A and safe without heatsink(?)

BTW. Looks like Emcotec has a turnkey solution…"
Oct 18, 2017
Ragnar Johannesen replied to Paul Atkin's discussion How to create an _immediate_ kill switch on PX4/APM?
"I did something like this a time ago, inspired by a product already on the market(can't remember it's name).
Put 10 IRFZ44N in parallel, added some pullups and pulldowns and two switch connectors. One connector turned the MOSFETs off when shorted…"
Oct 12, 2017
Ragnar Johannesen replied to matt wollam's discussion Long Endurance
"Have you checked this?http://www.fpvflying.com/products/Super-Huge-MUGIN-4450mm-UAV-%28H%... $5k with shipping, 15kg(33lbs) payload and 27 liters of fuel, that should probably give you a couple hours of flight."
Feb 23, 2015