19 Apr 2024, 15:49 [ UTC - 5; DST ]
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Post subject: Re: Jetson Posted: 22 Oct 2021, 20:13 |
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Joined: 12/10/07 Posts: 30697 Post Likes: +10719 Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: According to their website it gets about 15 min of flight on a charge @ 60 mph (kts.?can’t remember) Weighs 90lbs empty and eight electric motors. Where does that fit in the LSA spectrum? EDIT : https://www.jetsonaero.com/Ultralight (255lb max)?
_________________ -lance
It's easier to fool people than to convince them that they have been fooled.
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Post subject: Re: Jetson Posted: 22 Oct 2021, 20:19 |
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Joined: 12/10/07 Posts: 30697 Post Likes: +10719 Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: I understand that this is a marketing video, but why no video of a takeoff and landing? More importantly, given they claim to have a working prototype, why is the entire promotional video computer generated?
_________________ -lance
It's easier to fool people than to convince them that they have been fooled.
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Post subject: Re: Jetson Posted: 22 Oct 2021, 20:36 |
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Joined: 12/17/13 Posts: 6357 Post Likes: +5540 Location: Hollywood, Los Angeles, CA
Aircraft: Turbo Commander 680V
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Username Protected wrote: I understand that this is a marketing video, but why no video of a takeoff and landing? More importantly, given they claim to have a working prototype, why is the entire promotional video computer generated?
It's not.
_________________ Problem is the intelligent people are full of doubt, while the stupid ones are full of confidence.
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Post subject: Re: Jetson Posted: 22 Oct 2021, 21:04 |
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Joined: 11/20/16 Posts: 6464 Post Likes: +7938 Location: Austin, TX area
Aircraft: OPA
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I dunno one way or the other, but parts of the video look to be "enhanced" to me.
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Post subject: Re: Jetson Posted: 22 Oct 2021, 21:13 |
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Joined: 08/28/11 Posts: 1726 Post Likes: +1736 Company: N/A - Retired Location: Southern AZ / South Carolina
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Username Protected wrote: According to their website it gets about 15 min of flight on a charge @ 60 mph (kts.?can’t remember) Weighs 90lbs empty and eight electric motors. Where does that fit in the LSA spectrum? EDIT : https://www.jetsonaero.com/Ultralight (255lb max)?
90lb BEW + 180LB pilot = 270Lb. LSA is limited to single engine. This has 8 motors (like a B-52)
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Post subject: Re: Jetson Posted: 23 Oct 2021, 15:24 |
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Joined: 05/27/16 Posts: 900 Post Likes: +578 Location: KAPA - Denver
Aircraft: 1983 Bonanza A36TN
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Username Protected wrote:
90lb BEW + 180LB pilot = 270Lb. LSA is limited to single engine. This has 8 motors (like a B-52)
8 motors and I still exceed the maximum pilot weight by 13lbs. Maybe they’ll come out with a Clydesdale version?
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Post subject: Re: Jetson Posted: 23 Oct 2021, 17:52 |
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Joined: 01/10/17 Posts: 1694 Post Likes: +1161 Company: Skyhaven Airport Inc
Aircraft: various mid century
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I can see it working fine based on others out there flying and the designer has posted earlier rough cut videos of early prototypes flying. But I wonder in these things about a failure mode where it goes to full power and you end up at about 6000ft with battery dead.
Multiple parallel systems it should not be able to happen but with a simple failure of the throttle control could it get you there with all systems working?
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Post subject: Re: Jetson Posted: 23 Oct 2021, 18:26 |
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Joined: 01/27/18 Posts: 1653 Post Likes: +1514 Location: South NorthEast West Virginia :)
Aircraft: Club Archer
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Username Protected wrote: Where does that fit in the LSA spectrum?
I believe it falls under Part 103, so not even an LSA. No license required.
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Post subject: Re: Jetson Posted: 23 Oct 2021, 19:25 |
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Joined: 12/10/07 Posts: 30697 Post Likes: +10719 Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: Ultralight (255lb max)? 90lb BEW + 180LB pilot = 270Lb. LSA is limited to single engine. This has 8 motors (like a B-52) The ultralight weight limit does NOT include the pilot and AFaIK there are no limitations on the number of motors. They are limited to daytime and cannot fly over "congested areas" or open air assemblies. Max speed is 55 KT.
_________________ -lance
It's easier to fool people than to convince them that they have been fooled.
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Post subject: Re: Jetson Posted: 23 Oct 2021, 20:09 |
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Joined: 08/28/11 Posts: 1726 Post Likes: +1736 Company: N/A - Retired Location: Southern AZ / South Carolina
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Username Protected wrote: The ultralight weight limit does NOT include the pilot and AFaIK there are no limitations on the number of motors. They are limited to daytime and cannot fly over "congested areas" or open air assemblies. Max speed is 55 KT. I’m not too familiar with LSA. I just got that off of the EAA website from a google search.
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Post subject: Re: Jetson Posted: 23 Oct 2021, 20:26 |
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Joined: 08/26/15 Posts: 9543 Post Likes: +8779 Company: airlines (*CRJ,A320) Location: Florida panhandle
Aircraft: Travel Air,T-6B,etc*
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Username Protected wrote: I’m not too familiar with LSA. I just got that off of the EAA website from a google search. LSA and Part 103 Ultralight are separate things. Part 103 grew out of powered hanglider fad in the late 1970s. The regs in other countries are similar (I think one country had a "foot launched" requirement, for example, rather than a maximum weight limit as we have in the United States). There are only about dozen points to Part 103, most of them describe general limitations of the machine and a couple describe operations (i.e. not over populated areas). There's no requirement for airworthiness, pilot license, medical, none of that. It's pretty basic. I think it's a minor miracle that it exists at all, within the bureaucracy. An electric helicopter backpack, with very limited performance and endurance, could easily meet Part 103. Rearranging everything in a roll cage for safety, like these guys have done, is a little more palatable. I'm not convinced a lot of many married guys are going to get permission to buy one but they might sell a few. I do think it's impractical in the present day. Want to hop from your driveway to the top of a tall building a mile away? The machine is more than capable but bad news, you'll be violating an FAR by doing that because it's a populated area. Live out in the sticks and want to take a shortcut across the north forty to your friends down the way? You'll make a way cooler entrance than taking the farm truck or a four wheel ATV. I love the innovation and the fact that they're putting themselves out there to make this. I think they have an uphill journey with some rules and regulations obstacles along the way.
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Post subject: Re: Jetson Posted: 24 Oct 2021, 12:08 |
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Joined: 09/11/09 Posts: 5288 Post Likes: +4200 Company: Looking Location: Tulsa, Ok
Aircraft: Baron/Bonanza
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Username Protected wrote: I can see it working fine based on others out there flying and the designer has posted earlier rough cut videos of early prototypes flying. But I wonder in these things about a failure mode where it goes to full power and you end up at about 6000ft with battery dead.
Multiple parallel systems it should not be able to happen but with a simple failure of the throttle control could it get you there with all systems working? Says it’s equipped with a chute with rapid deployment. That would be a ride!
_________________ I don't have a problem with anger, I have a problem with idiots.
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Post subject: Re: Jetson Posted: 24 Oct 2021, 12:49 |
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Joined: 12/10/07 Posts: 30697 Post Likes: +10719 Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: I love the innovation and the fact that they're putting themselves out there to make this. I think they have an uphill journey with some rules and regulations obstacles along the way. Chances are that if this type of aircraft ever becomes popular, the FAA will jump in with more regulations.
_________________ -lance
It's easier to fool people than to convince them that they have been fooled.
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Post subject: Re: Jetson Posted: 24 Oct 2021, 13:10 |
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Joined: 12/03/14 Posts: 19252 Post Likes: +23622 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: Chances are that if this type of aircraft ever becomes popular, the FAA will jump in with more regulations. After some fatal crashes. Which will happen. Mike C.
_________________ Email mikec (at) ciholas.com
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