mo fakahany's Discussions
Self-retrieving High Altitude Experimental Glider
Started this discussion. Last reply by tuckerobie Dec 4, 2011. 34 Replies 0 Likes
Good day to all, Im new here in this great forum, been reading the previous posts, blogs and articles for a while now, and they are extremely useful for a UAV Newbie like me.Im currently doing a…Continue
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tuckerobie replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
I am currently working on a project just like this and had considered a paraglider. The problem that I came up with was the sway of your vehicle under the airfoil and averaging it to get usable sensor data... with your sensors swinging it could be…
Timothy Ritzema replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Lol on the slow-speed landing requirements :P
Roberto Hawkowski replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Does any body made an autonomous motorized paraglider using "HobbyKing Paraglider Parafoil 2.15m" ?
Martin Geldart replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Going back a post or two, mentioned was the drifting or jet streams issues.
Is it not possible to have written in to your program, a function that releases the balloon catch at?
a) Your desired height using your altitude sensor.
b) A calculated,…
Martin Geldart replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
I found some interesting articles relating to this subject. I too am in design stages of high altitude flyer, which is dropped from a weather balloon. My interests are at a higher altitude, from when the helium weather balloon explodes, maybe 90,000…
Morli replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
One of Yahoo discussion forum on high altitude ballooning is here
Morli replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Hi Mo ,
looking around for more info on the subject , found this project site with projects in 2008 site which i thought might be useful for you. click here and look @ menu on the left for more details. Solution for cold temp failure is here
Mission…
bGatti replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Assuming this is a modification of an existing weather balloon payload, the data systems are already in place. Image data would be more of a challenge, as the current baud rate is quite probably insufficient.
One way to extend range would be to…
Morli replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Thanks Gatti for the explanation, i take your word for it , yes I agree it must be more of a regulatory challenge after reading this story, I got carried away by the topic head line :).
I am almost sure that any decent high altitude( did you mean…
bGatti replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Morli,
Interesting responses - but easily answered.
Initially I proposed the space shuttle design as the example of a high altitude recovery-oriented airframe, but let's by honest, the mission of the recovery is to slow down and reduce glide…
bGatti replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
I might start with a standard rocket kit.
You would get a fuselage, a nosecone, and a parachute.
Add a pair of short dihedral wings, and control surfaces.
If your payload weight is always the same, You can probably fix your airspeed by using fixed…
Morli replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
glider with clipped wings :) looks good
@ Gary , What about small solar panel or small wind mill with dynamo etc to power mini/micro heater for electronic & bat bay ? is it practical ?
Morli replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
@ gati,
That was interesting to read and I see some merits to it with my very limited knowledge of such project. There are however few things poped up in my mind, no disrespect but both your example( rocket/missile and Tom's( bom) were never…
Tom Kent replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Another good platform to compare to would be the small diameter bomb...it is a long-range glide weapon.
bGatti replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
If your airspeed is slowing than wind speed; then your glide-slope doesn't matter.
Presumably you care about being able to operate as many days out of the year as possible; that means incorporating the largest possible performance…
Doug Weibel replied to mo fakahany's discussion 'Self-retrieving High Altitude Experimental Glider'
Now we are more in agreement.
Nice find on the flutter video. Always scared me to see that. Flutter is often catastrophic.
On item 5 I did not mean to imply that you would not want elevator control. I certainly would. I just wanted to point out…
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