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-   -   Is A Jet-Pack Considered A 'Other Vehicle"? (https://www.ft86club.com/forums/showthread.php?t=88221)

White64Goat 05-12-2015 04:24 PM

Is A Jet-Pack Considered A 'Other Vehicle"?
 
This is a pretty awesome video. Actual flight over Dubai is about 6:40 in. I guess after your initial nuts in your throat feeling, it's probably pretty awesome to do this:

http://www.sbnation.com/lookit/2015/...bai-yves-rossy

tahdizzle 05-12-2015 04:31 PM

I've never had "Nuts in my Throat".

But your story intrigues me; Do tell me of your "Nuts in the throat" adventures.

continuecrushing 05-12-2015 04:50 PM

well that escalated quickly...

get it, cause its a jetpack? Jk. We know I wasn't talking about that.

tahdizzle 05-12-2015 04:58 PM

Wah wah wahhh

cdrazic93 05-12-2015 08:00 PM

you had me at jetpack

Dadhawk 05-13-2015 08:14 AM

Great video!

Sign me up! It's just unfortunate (and a matter of practicality) that you can't take off or land with the wing (need a lift vehicle and a parachute to land). I think eventually it will get there though.

53Driver 05-13-2015 09:08 AM

Quote:

Originally Posted by tahdizzle (Post 2246573)
I've never had "Nuts in my Throat".

But your story intrigues me; Do tell me of your "Nuts in the throat" adventures.





Liar.

D_Thissen 05-13-2015 09:40 AM

Quote:

Originally Posted by tahdizzle (Post 2246573)
I've never had "Nuts in my Throat".

But your story intrigues me; Do tell me of your "Nuts in the throat" adventures.



This one time.. at band camp... :lol:

TylerLieberman 05-13-2015 10:15 PM

Who's nuts?

DEEZ NUTS???!!!!!!!

White64Goat 05-13-2015 11:25 PM

1 Attachment(s)
Deez...........dis be dem:

Attachment 109553


:D :lol:

Ultramaroon 05-14-2015 12:41 AM

Quote:

Originally Posted by Dadhawk (Post 2247442)
Great video!

Sign me up! It's just unfortunate (and a matter of practicality) that you can't take off or land with the wing (need a lift vehicle and a parachute to land). I think eventually it will get there though.

Strap a skateboard to your chest. Good 2 go.

Dadhawk 05-14-2015 09:00 AM

Quote:

Originally Posted by Ultramaroon (Post 2248803)
Strap a skateboard to your chest. Good 2 go.


Or you end up with something a little less sexy but probably more practical.

[ame="https://www.youtube.com/watch?v=eq5jHxj4vUw"]Martin Jetpack in-flight video - YouTube[/ame]

Ultramaroon 05-14-2015 01:44 PM

Quote:

Originally Posted by Dadhawk (Post 2249009)
Or you end up with something a little less sexy but probably more practical.

Martin Jetpack in-flight video - YouTube

Kidding aside, anything I couldn't autorotate down scares the shit out of me.

cdrazic93 05-14-2015 02:46 PM

Quote:

Originally Posted by Ultramaroon (Post 2249349)
Kidding aside, anything I couldn't autorotate down scares the shit out of me.

Autorotate?

Dadhawk 05-14-2015 02:52 PM

Quote:

Originally Posted by cdrazic93 (Post 2249429)
Autorotate?

Gliding down through the use of air rising up through the blades and spinning them keeping the airfoil alive. Helicopters do this on power out. You have to keep your downward speed up enough so that the lift created by the blades turning fast enough supports the aircraft and it doesn't fall like a rock.

Gyrocopters use this to fly in general. The prop on the back pushes the plane through the air which turns the rotor on top creating lift.

A turning rotor forms a plane that is equivalent to an airplane's fixed wing surface. Airplanes have the advantage in that they turn into gliders when the power goes out with no real effort on the part of the pilot. As long as you keep control, you will glide to a landing, assuming there is an appropriate (or close enough) landing site around.

Dadhawk 05-14-2015 02:55 PM

Quote:

Originally Posted by Ultramaroon (Post 2249349)
Kidding aside, anything I couldn't autorotate down scares the shit out of me.

These both have ballistic 'chutes so I'm (sorta) OK with it enough I would do it. That transition between about 20 feet and 300 ft or so would always be a little scary though!

The Martin Jetpack can be limited to flying just above the ground, or only within certain parameters, so you could force it to fly only minimal time in the "danger zone".

Ultramaroon 05-14-2015 02:59 PM

@53Driver, autorotate, or chute?

53Driver 05-14-2015 04:52 PM

Quote:

Originally Posted by Dadhawk (Post 2249442)
Gliding down through the use of air rising up through the blades and spinning them keeping the airfoil alive. Helicopters do this on power out. You have to keep your downward speed up enough so that the lift created by the blades turning fast enough supports the aircraft and it doesn't fall like a rock.

Gyrocopters use this to fly in general. The prop on the back pushes the plane through the air which turns the rotor on top creating lift.

A turning rotor forms a plane that is equivalent to an airplane's fixed wing surface. Airplanes have the advantage in that they turn into gliders when the power goes out with no real effort on the part of the pilot. As long as you keep control, you will glide to a landing, assuming there is an appropriate (or close enough) landing site around.


Not all fixed wing aircraft are created equal, just as in all helicopters are not created equal. Some fixed wing have a power out glide ratio not much better than a brick (see F-104 Starfighter for example). Speed and altitude at time of engine(s) failure is also a critical part of the equation.


Same goes for helicopters. That's why I flew a helicopter with three engines!

Quote:

Originally Posted by Ultramaroon (Post 2249454)
@53Driver, autorotate, or chute?


Once again, lots of things to consider here. Considering most helicopters spend most of their time operating at low altitudes, a parachute isn't going to be of much use. Also, the blades would need to be explosively separated from the aircraft prior to parachute activation. There are some ejection seat equipped helicopters so that's my vote if I could choose anything. Once again though, blades get explosively separated from the aircraft prior to ejection seat departure.

Dadhawk 05-14-2015 07:15 PM

Quote:

Originally Posted by 53Driver (Post 2249621)
Not all fixed wing aircraft are created equal, just as in all helicopters are not created equal. Some fixed wing have a power out glide ratio not much better than a brick (see F-104 Starfighter for example). Speed and altitude at time of engine(s) failure is also a critical part of the equation. .

Understood, and totally agree. I was referring more to general aviation aircraft and not models like Starfighters. I was talking in generalities.

That's the same reasons "drones" or quadracopters don't scale up well to human size. They are basically unstable devices that once they lose power they fall out of the sky, and are pretty much impossible to control for mere humans without computer intervention.

White64Goat 05-14-2015 08:17 PM

If a Jet-Pack isn't your style..........how about this then?:


[ame="https://www.youtube.com/watch?v=FrY6OJk-z0I"]BIG RUSH - World's Tallest Rope Swing - YouTube[/ame]

Ultramaroon 05-14-2015 08:31 PM

Back in 86, one afternoon on the Carl Vinson I was watching flight ops from the crow's nest when an F-8 pilot lost his brakes and ejected just as the nose gear dropped off of the port side. Even with the added height of the flight deck he only got a swing and a half by the time his chute inflated. It all happened really quickly.

Dadhawk 05-14-2015 09:10 PM

Quote:

Originally Posted by White64Goat (Post 2249861)
If a Jet-Pack isn't your style..........how about this then?:



Looks like fun, but I want the JetPack to get to work. I don't think they make a rope swing big enough to cover those 40 miles unless there is a helicopter involved...

Ultramaroon 05-14-2015 10:22 PM

I could rock an Air. Love the open cockpit. Not sure about the landing gear.
[ame="https://www.youtube.com/watch?v=Wr44Q8MQHL0"]Mosquito Air Helicopter - YouTube[/ame]

Dadhawk 05-15-2015 07:38 AM

Quote:

Originally Posted by Ultramaroon (Post 2250015)
I could rock an Air. Love the open cockpit. Not sure about the landing gear.

Yea doesn't exactly look forgiving. May have to attach some exercise balls to it or something for the first few practice landings!

53Driver 05-15-2015 09:03 AM

Quote:

Originally Posted by Dadhawk (Post 2249781)
Understood, and totally agree. I was referring more to general aviation aircraft and not models like Starfighters. I was talking in generalities.

That's the same reasons "drones" or quadracopters don't scale up well to human size. They are basically unstable devices that once they lose power they fall out of the sky, and are pretty much impossible to control for mere humans without computer intervention.


I'm not going to start an argument over this, but still not completely true what you said. A lot of fixed wing have poor glide ratios if they have total engine(s) failure. People tend to think that a fixed wing airplane becomes a "glider" if they lose their engine(s), not really true. With Remotely Piloted Aircraft (drones) some would actually have better glide ratios than their manned counterparts. Look at their wing/fuselage design. While I certainly don't have any of their performance charts in front of me, just looking at the design of say a Predator it has a lot more in common with a glider than an F-15/F-16/F-18/F-35/F-22 etc. I'm just pointing out that the common perception that you're much safer in a fixed wing vs. a helicopter because of the whole "gliding" myth is just not true in most cases.

Quote:

Originally Posted by Ultramaroon (Post 2249872)
Back in 86, one afternoon on the Carl Vinson I was watching flight ops from the crow's nest when an F-8 pilot lost his brakes and ejected just as the nose gear dropped off of the port side. Even with the added height of the flight deck he only got a swing and a half by the time his chute inflated. It all happened really quickly.


One of my best buddies from flight school is no longer flying because of an ejection experience. He was an AV-8B bubba and went on a night bombing run only to experience controllability issues during the flight. On final approach back to the airfield, the aircraft snapped inverted at less than a 1,000' (above ground level) and the aircraft departed controlled flight.


He said all he remembers is pulling the handle, a flash/bang and then he woke up on the ground about a minute later with a large fireball from where the aircraft crashed about 1/2 mile away. The safety investigation concluded his parachute barely deployed completely before he hit the ground. Basically 1 second later and he'd probably have been dead. Needless to say, he decided that flying was no longer for him.

Ultramaroon 05-15-2015 12:43 PM

Quote:

Originally Posted by Dadhawk (Post 2250352)
Yea doesn't exactly look forgiving. May have to attach some exercise balls to it or something for the first few practice landings!

Big-assed furniture glides :bonk:

Dadhawk 05-15-2015 01:32 PM

Quote:

Originally Posted by 53Driver (Post 2250393)
I'm not going to start an argument over this, but still not completely true what you said. A lot of fixed wing have poor glide ratios if they have total engine(s) failure....

No I agree it varies greatly but most general aviation aircraft that "mere mortals" get to fly and/or ride in have decent glide ratios. I guess I just dumbed it down too much.

Quote:

Originally Posted by 53Driver (Post 2250393)
...I'm just pointing out that the common perception that you're much safer in a fixed wing vs. a helicopter because of the whole "gliding" myth is just not true in most cases.

Absolutely agree, in the hands of a capable pilot they can be equally as safe in an engine out scenario.

53Driver 05-15-2015 01:40 PM

Quote:

Originally Posted by Dadhawk (Post 2250776)
No I agree it varies greatly but most general aviation aircraft that "mere mortals" get to fly and/or ride in have decent glide ratios. I guess I just dumbed it down too much.



Absolutely agree, in the hands of a capable pilot they can be equally as safe in an engine out scenario.


And a viable landing spot (for fixed that equals runway or long, flat and smooth surface). At least with a helo I can land in someone's front yard. ;)

Dadhawk 05-15-2015 03:07 PM

Quote:

Originally Posted by 53Driver (Post 2250794)
And a viable landing spot (for fixed that equals runway or long, flat and smooth surface). At least with a helo I can land in someone's front yard. ;)

So true, as we were reminded in Atlanta last week when a Piper PA32 crashed after taking off from PDK on I-285 at 10:00am. Absolutely no where to go on an engine out there.

Fortunately only clipped a truck and a car, but all souls onboard were lost.

Ultramaroon 05-15-2015 04:25 PM

Quote:

Originally Posted by Dadhawk (Post 2250906)
So true, as we were reminded in Atlanta last week when a Piper PA32 crashed after taking off from PDK on I-285 at 10:00am. Absolutely no where to go on an engine out there.

Fortunately only clipped a truck and a car, but all souls onboard were lost.

Most dangerous time for any aircraft is on climbout. Preaching to the choir, I know.

Tcoat 05-15-2015 04:30 PM

Quote:

Originally Posted by 53Driver (Post 2250794)
And a viable landing spot (for fixed that equals runway or long, flat and smooth surface). At least with a helo I can land in someone's front yard. ;)

When I was on the west coast several decades ago we lost two Voodoos in one summer. Not only do they not glide they make very crappy boats when they hit the ocean.


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