Wanabigaplane
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  • Australia
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Wanabigaplane's Groups

Wanabigaplane's Discussions

Parachutes - for UAV

Started this discussion. Last reply by Monroe King Jun 16, 2012. 16 Replies

 I am considering a parachute on a 7Kg (15lb) UAV.I have found various formulas on the web, but the question is what parameters to use.What rate of descent should I choose so that, after a parachute…Continue

Tags: UAV, Parachute

 

Wanabigaplane's Page

Latest Activity

Wanabigaplane commented on Laser Developer's blog post LW20 LiDAR - half the size, twice the performance, infinitely better.
"Just what I need for my servo driven scanner, but some easily fixed hardware problem remain - how do you mount it on anything? Odd shape. No lugs or screw holes. Which way does the lead come out that facilitates mounting? Is there any means of cable…"
Nov 2, 2016
Wanabigaplane replied to Bohdan Tomanek's discussion Using PWM signal to switch a circuit?
"With most RC systems one channel will output a positive pulse between 1 and 2 milliseconds every 20 milliseconds. The width between 1 and 2 milliseconds is proportional to the transmitter stick position. There are plenty of circuits available on the…"
May 1, 2016
Wanabigaplane replied to Bohdan Tomanek's discussion Using PWM signal to switch a circuit?
May 1, 2016
Wanabigaplane commented on AKRCGUY's blog post The History of the Modern Consumer Drone
"Oh come on !! That's Marylin Monroe. Just Google "Marylin Monroe + drones""
Feb 6, 2016
Wanabigaplane commented on Robert Krogh (hooks)'s blog post Mugin 3M v III
"Colton, I have built a number of aircraft from this manufacturer. Do not take the parts that are supplied as a guide as to how to assemble the aircraft. You must depend on your own capability in building a large RC aircraft. By all means use some of…"
Dec 31, 2015
Wanabigaplane replied to Mark Omo's discussion Deliverable 1 in the group Outback Challenge
"The CanberraUAV D1 can be read on our site: CanberraUAV.org.au"
Oct 21, 2015
Wanabigaplane commented on Andrew Tridgell's blog post An awesome day at CMAC
"CanberraUAV at CMAC....Sure, we started off small. Now, we have installed solar powered electrics with a security system, webcam  of the field (see weathercam on http://www.cmac.org.au/default.htm ),  clubhouse lighting, and a LiPo…"
Aug 31, 2015
Wanabigaplane replied to hft seeker's discussion how to build a transport uav able to carry around 40 kg on 1000 km
"Such an airframe from a starving ultralight manufacturer might cost in the order of $40,000 - but the automated avionics would be up to you. For a UAV manufacturer, there are alot more expenses that would be amortised over the small number of…"
Aug 22, 2015
Wanabigaplane replied to hft seeker's discussion how to build a transport uav able to carry around 40 kg on 1000 km
"Maybe I should have been more specific in my earlier post. If you were to build or buy an aircraft for this task, this, or something a little larger, is the sort of airctraft you will need. It is significantly larger than the sort of thing we cover…"
Aug 22, 2015
Wanabigaplane replied to hft seeker's discussion how to build a transport uav able to carry around 40 kg on 1000 km
Aug 20, 2015
Wanabigaplane commented on Jeevan Kalanithi's blog post More gimbal news
"Purely from a rank amateur engineer's point of view, it looks as though the moment of inertia of the assembly in pan is at the heart of the matter. The length of the tilting motor beside the landscape mounted camera takes alot of  torque…"
Aug 2, 2015
Wanabigaplane replied to Dave Shrader's discussion Gas Hybrid Quad Rotor UAV?
"That is not a gas quad. This is a gas quad."
Apr 30, 2015
Wanabigaplane replied to Dave Shrader's discussion Gas Hybrid Quad Rotor UAV?
"The essence of a multirotor is the simplicity of fixed pitch props. Once you go to variable pitch props you may as well go for a standard helicopter. How about about one central petrol motor with a fixed pitch prop which does the heavy lifting,…"
Dec 31, 2014
Wanabigaplane commented on Marco Sterk's blog post Air Traffic Control for Drones - MIT Technology Review
"Surely the Flarm system http://www.flarm.com/  is well enough established to fulfil this purpose. Only aircraft performing doing work below 500 ft outside controlled airspace would have to carry it. The unit is not too big to be carried on…"
Oct 18, 2014
Wanabigaplane replied to Greg Kosin's discussion Locating lost cattle on large ranch in the group ArduPlane User Group
"The technology you require has already been developed and is in use in anti-poaching applications in Africa. In Australia we have just had the Outback Challenge where a lost bushwalker is searched for in a 1 by 2 km area, 5km from the airfield. Most…"
Oct 9, 2014
Wanabigaplane commented on Toby Lankford's blog post Reserve/Redundant Battery Switching
"Toby, I think you have to look more carefully at the failure modes you are trying to protect yourself against. The most likely power problem you are likely to encounter is the speed controller failing. The next is a wiring problem. Both of these are…"
Jan 23, 2014

Profile Information

About Me:
Fly and build model aircraft
Fly and build ultralights
Electronics technician
Electronics interest in microprocessors and control
Member of Make Hack Void hackerspace in Canberra
Please tell us a bit about your UAV interest
Participation in Canberra UAV, a group planning to participate in the 2011 Australian UAV outback challenge.
Hometown:
Canberra

Comment Wall (3 comments)

At 10:46pm on February 4, 2012, Michael Smith said…

Thank you for liking my first pic!  I hope you enjoy the rest of them!  A little insight into my future production goals!!!

At 7:09pm on February 7, 2012, Michael Smith said…

Thanks for all the info again!  One more thing though, could you possibly give me the internal size specs for this plane?  Thanks

At 7:24pm on February 7, 2012, Michael Smith said…

Im trying to fit a gas tank with the following dimensions in inches

(can dimensions: 6" W x 7" H x 10.25" L) in the shape of a right triangle

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