Jesper Andersen
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Latest Activity


Moderator
Graham Dyer commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"I maybe late to the party with these but is anyone using them? They're not the high capacity of the 18650B's but it's claimed they can do 10A (3.4C) as opposed to 3.4A (1C). Panasonic 18650 2900mAh High Drain NCR18650PD"
May 10
Dan Nguyen commented on Jesper Andersen's blog post Is this possible? An autopilot in the sky - Project SensePod - part 2
"If you're using to deliver payloads, I'm a huge fan of auto-rotating maple-lead type packages or auto-rotating rotors. Presumably it'd be simpler and lighter control logic (if any) to go straight down, more or less, than gliding…"
May 6
Martin commented on Jesper Andersen's blog post Is this possible? An autopilot in the sky - Project SensePod - part 2
"It's much more efficient to increase the area of the main wing than adding some tiny wings to the plane. The increase in drag is much greater than the increase in lift."
May 6
Jesper Andersen commented on Jesper Andersen's blog post Is this possible? An autopilot in the sky - Project SensePod - part 2
"@Dan - you might say so, but with exchangeable pods you can use the same base drone for multiple purposes - click on, click off. @Gary - Delivery of sensor hardware to remote locations is very good idea. I was more thinking in ways of relieving the…"
May 6
Gary McCray commented on Jesper Andersen's blog post Is this possible? An autopilot in the sky - Project SensePod - part 2
"A very interesting concept. It seems to me that at least under some circumstances, the extra wings (and lift) could extend flight times. Vehicle mounting angle and possibly wing mounting angle would need to be adjustable to provide minimal drag and…"
May 5
Dan Nguyen commented on Jesper Andersen's blog post Is this possible? An autopilot in the sky - Project SensePod - part 2
"Wouldn't it just be simpler and more efficient to size your plane to your payload?"
May 5
Jesper Andersen posted a blog post

Is this possible? An autopilot in the sky - Project SensePod - part 2

I've been working on a universal pod, to carry additional equipment on drones. While I was playing around with my 3D program of choice (Shade 3D) I got the brilliant idea to add a set of small wings to my pod.…See More
May 5

Moderator
Graham Dyer commented on Jesper Andersen's blog post And they say smoking is bad - part 2
""(ignoring the volt differences for the moment)""
May 4
Pritam Ghanghas commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"there are too many problems with just connecting them in parallel.  1. with lipo connected in parallel, lion will rarely provide power because as voltage drops fast as load increases.  plus the lower mark 0% on the two battries is very…"
May 4

Moderator
Graham Dyer commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"Would it need electronics? Could one put the two packs in parallel (ignoring the volt differences for the moment) so that when the current demand is high then the LiPo pack resists the volt drop more by supplying more current?"
May 4
Jesper Andersen commented on Jesper Andersen's blog post An autopilot in the sky - Project SensePod
"I see three main reasons for using a pod; 1. Experimentation and fun - today you want to experiment with gas sensors - tomorrow you want to do some nir photography - just exchange the pod and you have a completely different sensor beast - quick and…"
Apr 30
Michael Visser commented on Jesper Andersen's blog post An autopilot in the sky - Project SensePod
"What are the benefits - other than waterproof - of having all of the modules in one 'pod'? I like the idea of a universal sensor hub.Since most drones are not waterproof would it not be easier to keep the parts modular so the individual…"
Apr 29
Jesper Andersen posted a blog post

An autopilot in the sky - Project SensePod

I’ve been experimenting with a small analysis package I originally called the SIXPack (Scientific X-Pander Pack). The idea is to have a module you can slap on to (almost) any drone. The module contains a microcontroller and storage device, and can house one or several sensors ie: gas, light, air sensors or cameras. The module…See More
Apr 29
Jesper Andersen commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"Yes - been thinking along the same lines - but the battery controller is a bit too much for me to build. It should definitely be current based (meaning that when amps go above some threshold, the LIPO kicks in and saves the day). It should also…"
Apr 27
John Rambo commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"How about mixing 18650 pack with small high-discharge standard LiPo for burst power?Of course, adding some ATTINY-based PWM controller to balance the current based on Throttle would be even better. I.e. at low Throttle 80%(vs 20%) of current would…"
Apr 27
benbojangles commented on Jesper Andersen's blog post And they say smoking is bad - part 2
"Welcome to the Lion world :)"
Apr 25

Profile Information

About Me:
Software architect and developer - works in the radar industry. Has worked a lot with robotics both as a hobby and thru my work.
Would like to write the very narrow targeted book "Java for vampires"

Company website: www.usavtech.com
Please tell us a bit about your UAV interest
Have a keen interest for everything that flies, especially electric powered vehicles.
Hometown:
Roskilde

Jesper Andersen's Blog

Is this possible? An autopilot in the sky - Project SensePod - part 2

Posted on May 5, 2015 at 12:18pm 5 Comments

I've been working on a universal pod, to carry additional equipment on drones. While I was playing around with my 3D program of choice (Shade 3D) I got the brilliant idea to add a set of small wings to my pod.…

Continue

An autopilot in the sky - Project SensePod

Posted on April 29, 2015 at 6:02am 2 Comments

I’ve been experimenting with a small analysis package I originally called the SIXPack (Scientific X-Pander Pack). The idea is to have a module you can slap on to (almost) any drone. The module contains a microcontroller and storage device, and can house…

Continue

And they say smoking is bad - part 2

Posted on April 24, 2015 at 5:30am 9 Comments

And they say smoking is bad - Part 2

Last time I looked at a set of 18650 batteries that had some nice specs, but in the end proved to give me less flying time than my half capacity LI-PO.

I got a lot of…

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And they say smoking is bad

Posted on April 10, 2015 at 12:31am 17 Comments

Technology is often driven by request and demand, and while the drone community is growing rapidly, the number of people trying to quit smoking is probably a bit bigger. Along comes the E-Cigarette and with it, comes a demand for high current high capacity batteries - at low prices. I recently stumbled across…

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