The problem with dual motors on a single shaft is if you have an inverter failure where it shorts between any of the 3 legs, you are done.
On Sat, Apr 29, 2023 at 8:43 PM Luke Scharf via EV <ev@lists.evdl.org> wrote: > The closest is Gabe Devault's Xenos electric motorglider: > Turned On—We Fly an Electric Xenos! - KITPLANES > <https://www.kitplanes.com/turned-on-we-fly-an-electric-xenos/> > > It's based on the Zero motorcycle drivetrain. > > -Luke > > > On Sat, Apr 29, 2023 at 8:51 AM Mark Hanson via EV <ev@lists.evdl.org> > wrote: > > > Hi Folks > > I live near Bob Barrows bearhawkaircraft.com plane “experimental” kits > to > > get around FAA requirements. He and his associate are building a single > > seater electric version of his bearhawk kit. They’re using an Australian > > APD control with a 3K rpm direct drive BLDC (pulsed 3 phase) magnet > motor ( > > so no brushes to fail). They bought the package from a consultant in > > California and Mike was programming the controller with his laptop when I > > visited. It runs fine at 200A 120Vdc on a Lithium China pack but at 300A > > starts to overheat. So they’re adding a second controller for flight > > redundancy and dual 3 phase windings in the motor in the next couple > > months. > > Does anyone work on electric planes or is there an off the shelf electric > > drive (motor control) with a good reliable track record ? Just don’t > want > > to be reinventing the wheel here…. If you google Bob Barrows electric > > plane YouTube videos pop up about the construction and issues they’ve run > > into. He estimates about 1/2 hour of flight time. > > Stay Charged > > Mark > > > > Sent from my iPhone > > _______________________________________________ > > Address messages to ev@lists.evdl.org > > No other addresses in TO and CC fields > > HELP: http://www.evdl.org/help/ > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20230429/1a5b1ae3/attachment.htm > > > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20230429/8ff94b7b/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
