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ArduPlane User Group

Discussion group for ArduPlane users

Members: 1338
Latest Activity: 9 hours ago

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APM 2.5 with EzUHF and Attopilot Current Sensor

Started by Tibor. Last reply by Tibor 9 hours ago. 5 Replies

This is how I did the wiring between EzUHF and APM 2.5. I'm using 5s lipo so I have to use the Attopilot current sensor. I'm not sure this is the right way to supply power to APM.It would be nice to…Continue

Tags: Attopilot, 2.5, APM, EzUHF

Error : THR channel Out in Auto mode Zero

Started by Abolo. Last reply by Abolo yesterday. 7 Replies

Hi all ,come back again with Question that I think It will solve my problem , I connect My pixhack system with GPS as RC receiver and connect it to Mission planner , ArduPlane V3.4.0 (3aa9eb0c)PX4:…Continue

Agressive pitch up when switching from FBWA, Loiter and back. Log attached

Started by omgsparks. Last reply by Grant Morphett on Monday. 20 Replies

Hello!I have a flying wing equipped with a APM Mini running ArduPlane 3.4.0. Trimmed and tuned via autotune following the steps in the wiki. Flies very well in Manual and FBWA but I am experiencing a…Continue

Auto & Loiter Mode always Losing Altitude - Log Attached

Started by Abolo. Last reply by Grant Morphett on Monday. 16 Replies

Hi All ,Hardware:-          Flight controller : PIXHACK-          GPS Ublox-          MiniOSDSoftware:-          GCS : Mission Planner.-          Firmware : Arduplane 3.4Problem:After previous tests…Continue

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Developer
Comment by Grant Morphett on January 24, 2016 at 3:51pm

I've been building an IconA5 Seaplane as I want to test AUTO takeoff and landings on water with ArduPilot. I managed to crowbar a pixhawk and accessories into the plane - just.
The plane comes with removable wheels so I thought I'd fly and tune it on land first. The problem I was having was the nose wheel. It is VERY fragile and I broke it almost immediately. I spent some time trying different ways to secure it but still have it removable for the water takeoff/landings. After it came off again Tridge dared me to try an AUTO takeoff without wheels - CHALLENGE ACCEPTED!!!
It worked!  Video here:

https://youtu.be/QRNV29HHfDI
This is actually the second AUTO takeoff with no wheels. Because we didn't think it would work we didn't film the first.
This is a full ArduPilot AUTO takeoff. I simply flick the transmitter switch to put the plane into AUTO mode and it does the rest. This is why it heads to the right a bit. Normally in AUTO takeoff the plane will auto takeoff in the direction its pointed i.e. straight down the runway however as it has little directional control on the ground and "squirms" a bit until it picks up speed its direction isn't perfect.

Comment by Jasfer on January 22, 2016 at 7:45am

Do you guys have links on how to install Airspeed sensor on MINI APM 3.1?

Comment by Richard Kennedy on December 17, 2015 at 7:39pm
Comment by Richard Kennedy on December 17, 2015 at 7:31pm

@ Grant when was the large update done?

I've been flying the dev version since about 3 weeks ago. I was very keen on the 'boat mode' aspect. Works great! 20-30 flights.

I might have notice it resetting it's home position whilst in flight with 13 sats which was odd. This was reported to me by my GCS...  but not sure really what happened might have been my GCS / tower lost connection I'm really not sure. My guess is it was me. I had 13 sats when it happened but I might have armed with only 6-7 so ... it was probably me. But if you hear of others.....

 BTW... do these numbers give you details about the date / build version? 

PX4v2 0036002D 30345101 37383933

Anyway it just keeps getting better :] Thank you!!!!!!!!!!!!!!!


Developer
Comment by Grant Morphett on December 17, 2015 at 7:03pm

If any keen users out there are being super brave and running the autopilot with the master code base and have odd behaviour they haven't previously noticed we would love to hear from you.  A large updated has been done to the PX4Firmware code and we are keeping out an eagle eye for any odd behaviour.

Thanks, Grant.

Comment by Phil Ellerbroek on October 7, 2015 at 2:09pm

RoboFlight RF-70 70" EPP 2.0 Kit Promotional Offer - $850 US Dollars (Also have a few Ready To Fly units. Inquire privately)


***Please email phil@agpixel.com if interested

$850 US Dollars

Please message me for more details if interested. This can be launched via bungee cable and hook even with full payload. EPP 2.0 is much more durable than traditional UAV foam options.

Highlight Video: https://vimeo.com/107972900

EPP Density Explained: https://www.flyingfoam.com/content/epp-foam-sheets

RF-70 Flying Wing: Performance – Specifications

SPEED:
Maximum at Sea Level 55 knots
Cruise 35 knots
RATE OF CLIMB 800 feet per minute
SERVICE CEILING 10,000 feet MSL / 400 feet AGL
STALL SPEED 10 knots
MAXIMUM WEIGHT 13 pounds
STANDARD EMPTY WEIGHT 6.5 pounds
MAXIMUM USEFUL LOAD 6.5 pounds
WING LOADING 2.14 ounces/ft²
BATTERY CAPACITY 10,000 mAh
BATTERY VOLTAGE 14.8 volts / 4S
RECOMMENDED MOTOR Hyperion ZS 3025 8-Turn 970 KV brushless outrunner
PROPELLER 12” X 8”

DESCRIPTIVE DATA:

AIRFRAME
2.0 Density Expanded Polypropylene (EPP 2.0 Density) foam
Designed and Manufactured in the US

PAYLOAD COMPARTMENT DIMENSIONS 
Front Bay: L 13” x W 5” x H 3”
Rear Bay: L 12.5” x W 5” x H 3.5”
Side Bays: L 7” x W 3.75” x H 1.5”

RECOMMENDED AUTO PILOT
3D Robotics PixHawk
Designed and manufactured in the US

RECOMMENDED ENGINE
Number of engines: 1
Engine Manufacturer: Hyperion
Engine Model Number: ZS3025B-08
Engine Type: Electric Brushless Outrunner

RECOMMENDED ELECTRONIC SPEED CONTROL
Manufacturer: Castle Creations
Max Continuous Current: 75 Amps
Designed and manufactured in the US

RECOMMENDED PROPELLER
Manufacturer: Advanced Precision Composites
Propeller Model Number: APC12080E
Number of Blades: 2
Propeller Diameter: 12 inches
Propeller Type: Fixed Pitch
Propeller Material: Molded Nylon
Designed and manufactured in the US

RECOMMENDED BATTERY
Battery Type: Lithium Polymer
Battery Capacity: 10,000 mAh
Battery Voltage: 14.8 volts
Battery Cells: 4 cells in series

STANDARD WEIGHTS
Maximum Weight: 13 pounds
Empty Weight: 6.5 pounds

Comment by Nigel Newall on October 7, 2015 at 12:42pm
Good evening,
I have just bought a apm unit with external Ublox gps unit and external power module,
This is being fitted to a Hobby King Bixler 2 Plane
I have done all the Inital setups and calibration as per instructions using the new version apm2 software
But unable to get gps lock on the screen or unit.
Can any one help with this part of setting or am I missing something out of the advanced settings
I look forward to hearing from you.
Regards
Nigel Newall
Comment by James Downing on September 21, 2015 at 9:27am

Aeropixel, to create what you want, create a custom mix in your transmitter that turns your mode channel output to low whenever one particular 2 channel 'panic button' switch is flipped and overwrites your other switch positions.  Or, I mixed two three-position switches together so that when one of the switches is in the down position, rtl is triggered regardless of the other switch's position.


Developer
Comment by Grant Morphett on September 15, 2015 at 6:41pm

Because Plane is clever.  A Plane can only be in one mode at any time.  Its a waste of RC channels to have a whole channel dedicated to a mode.  So, instead Plane supports FLTMODE_CH.  A single channel where you can set 6 different modes by configuring 2 switches correctly on your transmitter.  If you make both switches all the way down or up as RTL then that can be your "panic button".

Comment by Richard Kennedy on September 15, 2015 at 1:45pm

@ Aeropixel I agree I don't know why all options aren't available on 6,7 or 8 or even 9 for that matter. What could be the reason for this I have no idea... 

 
 
 

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