Rob_Lefebvre's Discussions (5,026)

Discussions Replied To (4780) Replies Latest Activity

"Yes, too bad.  It's fairly trivial to get 100 hp/L out of a modern 4 stroke, which w…"

Rob_Lefebvre replied Jul 28 to Hybrid 4 stroke multirotor

7 Jul 30
Reply by zhangqi

"I'm also interested in the Honda 4-strokes, but also believed they don't make a lot…"

Rob_Lefebvre replied Jul 28 to Hybrid 4 stroke multirotor

7 Jul 30
Reply by zhangqi

"Ryan, it costs millions of dollars to develop a proprietary flight controller from s…"

Rob_Lefebvre replied May 30 to Introducing the Splash Drone 3 + make easy money by sharing the campaign

6 May 31
Reply by David Posea

"Gary, I actually think that for basic hovering operations, or flight at low speeds,…"

Rob_Lefebvre replied Apr 30 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"Yes.  Again, my intent here is not to say that electric multirotors have no place, o…"

Rob_Lefebvre replied Apr 30 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"Peter, This idea that "helicopters are hard to fly" is just completely untrue.  It'…"

Rob_Lefebvre replied Apr 30 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"Gary, Thing is, I don't really considering anything shown in that video to be dynam…"

Rob_Lefebvre replied Apr 29 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"Yes, in a multirotor, the rolling moment in lateral flight cancels out across the s…"

Rob_Lefebvre replied Apr 29 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"You can buy a single seat helicopter, that will do 80mph for over an hour, today, fo…"

Rob_Lefebvre replied Apr 29 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

"Totally seat of the pants engineering.  That's just my gut feel and what I've obse…"

Rob_Lefebvre replied Apr 29 to The Case for Large-Scale Electric Multicopters

140 Apr 30
Reply by James Thesken

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