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Old Sep 06, 2012, 10:02 PM
I DESIGN QUADCOPTERS
saskya's Avatar
Joined Apr 2012
776 Posts
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50 pound lift quadcopter

Projet: THE FAT LADY
Goal: supply medical or emergency good

Distance: over 100kmh from original deployment
Payload: 50 pound
Cost of projet about 10k
This seam crazy but yes it possible
Read the following post of ideas
From me and other members
droping a quadcopter ( control desend ) from a
weather balloon at 100.000 feet to a designed gps cordinate far away

SPONCER WANTED ( parts only )
on the video that will be posted on youtube your website will be added

sponcer: 1 = motors: thank to =
sponcer: 2 = esc: thank to =
sponcer: 3 = gps: thank to =
sponcer: 4 = batteries: thank to =
sponcer: 5 = radio and receiver: thank to =
sponcer: 6 = video: thank to =
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Last edited by saskya; Oct 04, 2012 at 08:36 AM.
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Old Sep 07, 2012, 06:58 AM
Registered User
Joined Jun 2009
291 Posts
Trying to lift your little sister?

Edit: to add something constructive, you'd have more headroom if you build an octocopter instead of a quad, since with twice the amount of motors you have to find something that can pull some 7 lbs of thrust, which is comparatively easy (instead of finding a 14-pound prop/motor combo).
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Old Sep 07, 2012, 07:34 AM
I never finish anyth
United States, TX, Houston
Joined Jan 2012
2,585 Posts
Quote:
Originally Posted by saskya View Post
To do this what motor and speed control I need
and what battery
The fact you have to come to a forum and ask this extremely difficult/technical question makes me TERRIFIED to think you may one day have 50lbs in the air.
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Old Sep 07, 2012, 08:31 AM
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Mortimer's Avatar
Joined Apr 2010
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Quote:
Originally Posted by saskya View Post
50 pound lift quadcopter
What do you intend to do with that ?
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Old Sep 07, 2012, 08:53 AM
I never finish anyth
United States, TX, Houston
Joined Jan 2012
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Quote:
Originally Posted by Mortimer View Post
What do you intend to do with that ?
Honestly does it even matter? 10lbs in the air, copter included, can reduce the margin for error by quite a lot (at a hobby level). Lose a prop/Motor/ESC near anything and there will be major consequences. It would kill anything it landed on or tear straight through the roof of a car/house.

I couldn't imagine a 50lb payload no mater how it is strapped on.
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Old Sep 07, 2012, 09:02 AM
Stop me before I build again!
United States, NY, Albany
Joined Sep 2012
1,320 Posts
His long term project also involves FPV with 2-3km range. Maybe he could update his profile to list his location so we can all be sure to be very far away.
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Old Sep 07, 2012, 09:33 AM
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Originally Posted by MCrites View Post
I couldn't imagine a 50lb payload no mater how it is strapped on.
Could be ANFO or something else. Security would not be a problem.
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Old Sep 07, 2012, 09:38 AM
I DESIGN QUADCOPTERS
saskya's Avatar
Joined Apr 2012
776 Posts
thank guy for the funny talk
but it do not answer my question
50 pounds lift capacity
Motor, esc, battery, prop,
it for my projet the fat lady build
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Old Sep 07, 2012, 09:45 AM
M Griffith
Ecuador, Tungurahua
Joined Jun 2012
57 Posts
The hobbyking beerlift competition would be a good place to start.
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Old Sep 07, 2012, 09:51 AM
I DESIGN QUADCOPTERS
saskya's Avatar
Joined Apr 2012
776 Posts
If anyone know the answer
it could save life this projet
50 pound payload with fpv and gps
Could send food, supply etc.. to peoples stuck in bad situation
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Old Sep 07, 2012, 09:55 AM
Mmmmmmm!
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Kingdom of Sweden, Dalarna County, Sater
Joined Oct 2011
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But it's not something you just do. Give it a year or so, practice, do lots of research, get used to the controls etc.
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Old Sep 07, 2012, 09:56 AM
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United States, TX, El Paso
Joined Apr 2012
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I think he wants to deliver a payload of some type. Interesting.....
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Old Sep 07, 2012, 10:01 AM
I DESIGN QUADCOPTERS
saskya's Avatar
Joined Apr 2012
776 Posts
Quote:
Originally Posted by WiseDuck View Post
But it's not something you just do. Give it a year or so, practice, do lots of research, get used to the controls etc.

Doing R/C for over 20 years
very good pilot and builder + design
need tech spec for this projet only
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Old Sep 07, 2012, 10:19 AM
I never finish anyth
United States, TX, Houston
Joined Jan 2012
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Quote:
Originally Posted by saskya View Post
If anyone know the answer
it could save life this projet
50 pound payload with fpv and gps
Could send food, supply etc.. to peoples stuck in bad situation
You do realize 50lb capacity and the need to be that far away looks REALLY horrible in this overly sensitive world. Have you even considered what other things this craft could be used for and peoples reluctance to help? You may have all the best intentions in the world but that is the face I would have if I wanted to harm people.
Quote:
Originally Posted by saskya View Post
Doing R/C for over 20 years
very good pilot and builder + design
need tech spec for this projet only
If you have been in RC for 20 years and you a good designer you would realize that what you are asking is on the verge of crazy. On top of that I doubt it has ever been done in an RC capacity so why would you take someones advice on what to use? This isn't a "I saw a video on youtube how do I build a quad" question, it's "Can someone tell me how to do something that has probably never been done before? K, Thanks!" kind of question.

EDIT** The videos below show that it can be done which I don't doubt... not at the distance you want.
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Last edited by MCrites; Sep 07, 2012 at 10:32 AM.
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Old Sep 07, 2012, 10:29 AM
Ready to fly MRs
Sid3ways's Avatar
Swanton, OH
Joined Jul 2007
5,041 Posts
Go look at the Beer Lift competition that HK had. Still can see the winners there, the winner lifted 103 lbs.
http://www.hobbyking.com/hobbyking/store/beerlift.asp

Winning video 103 lbs.
HK Beerlift Entry 47.04kg (9 min 42 sec)


Quad that lifted 50 lbs.
Hobbyking beer lift 2012 23.2kg (3 min 32 sec)
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