Gustav Kuhn
  • Male
  • Cape Town
  • South Africa
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Gustav Kuhn's Groups

Gustav Kuhn's Discussions

IRIS/Pixhawk rollover

Started Jun 16 0 Replies

Hi, a friend of mine has the above combination, and now has had two crashes in a row.Here are the log files, I can't find anything obvious....Continue

IRIS change stick mode from 2 to mode 1

Started May 16 0 Replies

Other than the mechanics of such a change, how do I get into the software of the TX to do that ?Continue

APC Multirotor props

Started Jan 18 0 Replies

As the topic says.......I picked up a set 10X4.5 from my LHS.Looks good, substantially stronger hub, less flex.Weirdly enough, although the current is the same in hover, the motors run cooler.…Continue

AVR vs. PIC32

Started Sep 2, 2013 0 Replies

Since my first foray into the world of micro controllers was the PIC 16F84, always had a soft spot for MicroChip.....…Continue

 

Gustav Kuhn's Page

Latest Activity

Gustav Kuhn replied to Randy's discussion ArduCopter-3.2 beta testing
"Grounded to WHAT ? This topic surfaces, gets beaten to death, and surfaces, again, a few months later. If it is RF(radio frequency) interference, it will ONLY affect either the RX, or the GPS, or both. If you effectively shield those from the…"
yesterday
Gustav Kuhn commented on Roger Sollenberger's blog post Food Fight: In Syria, Drones with a New Mission
"mP1, With water purifying tablets, multi-vitamins, and medicines like antibiotics, etc, a typical human can survive for months on end. Might just be enough to hold on and win, or just stay alive, damn sight better than endless politicians endlessly…"
yesterday
Gustav Kuhn commented on Roger Sollenberger's blog post Food Fight: In Syria, Drones with a New Mission
"Entirely workable, albeit low impact solution. I think this is a workable solution for getting low mass, essential stuff like crucial medicines into cut-off areas. And probably not "food" as such, but vitamin pills ? A friend and myself…"
yesterday
Gustav Kuhn replied to Randy's discussion ArduCopter-3.2 beta testing
"It's not the gps that causes the problem, it is the magnetometer that has to be distanced from stray magnetic fields. On the Phantom it lives down on one of the legs ?"
yesterday
Gustav Kuhn replied to Shane's discussion Arducopter just not reliable.
"Did anyone pick up he is using V2.6 ? Shane, I'm using V3.1.5 on a 3DR frame, ESC's, and motors. I had a 3DR APM 2.5 in, and had no problems/failures, other than a compassmot of 37. I wanted a 3 DR 2.6, the bottom fell out of our currency,…"
Tuesday
Gustav Kuhn commented on David Anders's group X-UAV Talon
"The V tail works, it is mostly better suited to tall grass, one less surface to break if you hit shrub on landing, it loops the 'plane quite easily, if you want to do acro. And I've had no problem in winds up to 20 Km/h, yawing the…"
Oct 6
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"3548 900KV 2.88 Kg 3S 12000mAh (3 X 4000 mAh packs in parallel ) GoPro camera Turnigy battery checker, not too sure where it cuts off."
Sep 29
Gustav Kuhn replied to Tatich's discussion Altitude and V tails in the group X-UAV Talon
"I'm no expert, but at your altitude, I would fit a 3548 1100KV motor, if you are going to hand launch."
Sep 29
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"12 X 8, and 4S, I know, late reply, how did it go ? I had my Talon in Loiter for 45 minutes yesterday, still had 42% battery left :-)"
Sep 28
Gustav Kuhn replied to Tatich's discussion Altitude and V tails in the group X-UAV Talon
"Tatich, Unfortunately you either have to glue the Vtail in, or make some way of screwing it in. Did you get the Talon with wing extensions ? At 2 Kg all up weight, with wing extensions and the correct motor, hand launch isn't a problem, even at…"
Sep 28
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"I'm using an 80A ESC, just happened to have one lying around. Considering max amp in my setup, an 40A SEC would have been fine :-) Do NOT enable "brake", a free wheeling prop on landing, with throttle all the way down, creates a lot…"
Sep 26
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"Hi Dave, I might be doing it wrong, but when I input my exact setup into eCalc, I get nowhere near what I'm proving in actual flight. I also have a second Talon in the box, and a 3548 1100KV motor, and an APM setup, very tempted......."
Sep 24
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"........ The longer the prop, the more efficient, think "glider wings" :-)"
Sep 24
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"Looking at my setup, I'm drawing about 85 Watts at 60 km/h. If ground clearance isn't a problem, you can easily "gain" watts, by going to bigger props on smaller motors than mine. By "safety" I mean I can easily launch…"
Sep 24
Gustav Kuhn replied to Elios's discussion Best Combination of Motors, prop and batteries for the X-UAV Talon for the Longer flight Distance
"The motor manufacturer should give the max Watts the motor can deliver. Normally they also specify prop sizes. And max cell count. 100Watts/pound is used for "Sport Flying", and is overkill for Talon. My Talon works out to about 40…"
Sep 24

Profile Information

About Me:
Not much, basically a "copy&paste" experimenter :-)
Please tell us a bit about your UAV interest
Always wanted to have a working drone!
Hometown:
Cape Town

Gustav Kuhn's Blog

Another " Multi Button Mode Switch"

Posted on September 8, 2013 at 12:00am 3 Comments

At this point, more theoretical than practical.

Most TX's use 5V technology, Microchip has a nice 8PDIP, 10K, 256 step, device, the MCP41010, that will happily run on 5V.

If this were to replace a slider or pot on a TX, you would be able to hack any brand TX, even with limited tech skills.

So, this is an attempt…

Continue

Comment Wall (7 comments)

At 12:58am on November 23, 2011, Gisela & Joe Noci said…

Hello Gustav!!!!

Yep, thats me!  My goodness, that is a lifetime ago I still remember when we stayed in the hostel and you went to do your radio amateur exam in JHB, in town, that evening!
That is all a very longtime ago.

How are you? I have moved to Namibia , 5years ago, had enough of Gauteng and everything else - was with ATE for the last 18 years or so. Now live next to the sea, in a quiet and peacefull place, playing UAV's...

Very nice to hear from you. Maybe we can make a sked on HF, if you are still into that!

Keep well.
Kind Regards
Joe
________________________________________

At 12:17pm on November 23, 2011, Gisela & Joe Noci said…

Well, as least you are out of Gauteng, but you left early on anyway - good that you never came back!  I was with a commercial company for about 2 years after Atlas, then went to Andromeda, doing BIT Slice processor copies of VAX computers, then went to ATE, did Rooivalk mission and weapons systems, Pilatus trainer avionics, lots of UAV work, big stuff - 160kg plus, etc, etc, and left them 5 years ago. Now I am having fun! Also busy now with a big quadrotor, own design, using helicopter blades 750mm diameter X 4. Hope to carry a 2kg camera for 1 hour...

Well, I hope if you 'die' there it is in the far distant future!

 

Keep well Gustav.

Regards

Joe

At 3:06pm on May 6, 2012, Carl La France said…

Hey Gustav I am not carrying any extra weight other than I C?A ed the wings to the fuselage so they don't pull apart have a good day

Carl

At 2:23pm on July 25, 2012, Gisela & Joe Noci said…

Hi again Gustav,

Have seen you guys and Big Bertha, etc. I did something similar with a Lanyu 100 - check on DIYDrones blog for Nampilot and HORNBILL - also GUPPY and SurVoyeur, our latest commercial product - having far to much fun for two people out here in Swakop!.

How things going?>>

Joe

At 1:02am on July 26, 2012, Gustav Kuhn said…

Hi Joe,

So envious of your successes !

Big Bertha has been mothballed, the client realized that they required a certain proficiency with operating RC equipment, that they did not have.

I don't get much chance to RC here lately, other interests, work, the weather, all conspires against me !

I've looked at your website, very impressive.

At 11:50am on October 15, 2012, John said…
At 11:50pm on April 23, 2014, Walter Smit said…

Hi Gustav

I had to hand over the project to an old university colleague of mine - who has more experience in the things that the client now suddenly wants (multispectral imaging and vegetation mapping). I wish I could be more involved!

Cheers

W

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