Not sure how to private message, but US Army Rapid Equipping Force said I could submit to whomever I so choose so long as it's not outside US.....as per DTSO...I guess that's sharing ideas too, but not sure. Probably get zapped because some retired colonel, some where did make his star and has a chip on his shoulder...happened once before when I was in...that was a treat...lol.
So just imagine the coaxial design in your post, but ducted...for safer operations around dismounted personnel.....As outlined in this snippet of an essay that I wrote for RDECOM/Army Aviation branch...whatever they call those now..that SUAS mews was generous in letting me publish a portion that was published in Army AL&T ...safety, safety, safety..
Looks a little familiar, but not 100%. There's a handful of tilt rotor disc concepts and it's a sound design. Did a similar design for Redstone Arsenal in 2010, but the rotors were ducted and was more modular with track bearings mounted on longitudinal axis inside the cylindrical body that controlled forward/aft tilt pitch control. Yaw control was 4 duct internal yaw paddles as seen on coaxial helos for yaw control
Thank you for the comment. Any additional information would be excellent. Maybe a post of your own about coaxial drones ? I'm really interested in turbine version of it and how a Swashplateless can be used with it as electric are just to limited with weight of batteries and range.
Substack is a bit janky about posting stuff. Of you got an email I can send you sketches of the ducted on. DoD/US Army have proprietary rights, but nothing secret squirrel.
This was 2012, coax design (not ducted) and rudimentary, but it flew ok although it was a little under powered. Airframe within an airframe "morphing" rotor disc control...
Yeah CoM change but it has to have an equal/opposite weight/CoM change in the opposite pitch direction and tried to keep the movement radial rather than straight linear...
No...never thought about flexible/retractable rotor blades. There was a guy that got Boeing $$ and DARPA contract to make a similar retractable rotor blade platform and back then he was still in a legal battle because DARPA and Boeing kinda turned on him. I did a handful of designs for the army/DARPA...not a welcoming group of entities. Of course I worked cheap, being in the army I got nothing for the designs, but I did get to keep my patent as I was only infantry and not aviation...had to go to JAG twice, but I paid for everything and JAG said "my time, my dime" so the patent was mine. Lockheed Martin/Sikorsky referenced my paten a year or so ago, but nothing aside from that.
Not sure how to private message, but US Army Rapid Equipping Force said I could submit to whomever I so choose so long as it's not outside US.....as per DTSO...I guess that's sharing ideas too, but not sure. Probably get zapped because some retired colonel, some where did make his star and has a chip on his shoulder...happened once before when I was in...that was a treat...lol.
So just imagine the coaxial design in your post, but ducted...for safer operations around dismounted personnel.....As outlined in this snippet of an essay that I wrote for RDECOM/Army Aviation branch...whatever they call those now..that SUAS mews was generous in letting me publish a portion that was published in Army AL&T ...safety, safety, safety..
https://www.suasnews.com/2011/11/uas-implementation-at-the-platoon-level/
Looks a little familiar, but not 100%. There's a handful of tilt rotor disc concepts and it's a sound design. Did a similar design for Redstone Arsenal in 2010, but the rotors were ducted and was more modular with track bearings mounted on longitudinal axis inside the cylindrical body that controlled forward/aft tilt pitch control. Yaw control was 4 duct internal yaw paddles as seen on coaxial helos for yaw control
Thank you for the comment. Any additional information would be excellent. Maybe a post of your own about coaxial drones ? I'm really interested in turbine version of it and how a Swashplateless can be used with it as electric are just to limited with weight of batteries and range.
Looking forward to it.
Substack is a bit janky about posting stuff. Of you got an email I can send you sketches of the ducted on. DoD/US Army have proprietary rights, but nothing secret squirrel.
Yep...when figure out this substack thing. I'm
a newby.
This was 2012, coax design (not ducted) and rudimentary, but it flew ok although it was a little under powered. Airframe within an airframe "morphing" rotor disc control...
If substack posts links
https://m.youtube.com/watch?v=PKixR_89BQg&t=7s&pp=ygUYRGF2aWQgaGlja21hbiBoZWxpY29wdGVy
looks like fun time. You also used center of mass to change its pitch.
Have you ever thought about having "flexible" blades that can extend or retract ?
I just found this interesting video
https://www.youtube.com/watch?v=K0POjjIC5xs
Yeah CoM change but it has to have an equal/opposite weight/CoM change in the opposite pitch direction and tried to keep the movement radial rather than straight linear...
No...never thought about flexible/retractable rotor blades. There was a guy that got Boeing $$ and DARPA contract to make a similar retractable rotor blade platform and back then he was still in a legal battle because DARPA and Boeing kinda turned on him. I did a handful of designs for the army/DARPA...not a welcoming group of entities. Of course I worked cheap, being in the army I got nothing for the designs, but I did get to keep my patent as I was only infantry and not aviation...had to go to JAG twice, but I paid for everything and JAG said "my time, my dime" so the patent was mine. Lockheed Martin/Sikorsky referenced my paten a year or so ago, but nothing aside from that.