ArduPlane User Group

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Discussion Forum

payload mechanism

Started by Richmond A. Acheampong. Last reply by Nobel0 on Wednesday. 9 Replies

hi everyone, I am building a quadcopter with pixhawk that will be able to deliver stuffs(like pizza), I am done with the entire frame with wood but I am haven a little challenges in the creation of…Continue

Airspeed (synthetic) not being reported in Plane 3.8?

Started by Henry Wurzburg. Last reply by Hein du Plessis Jan 15. 5 Replies

I just installed 3.8 on a pixhawk without AS sensor and was surprised to find that Airspeed (synthetic since I have no sensor) was not being reported over Mavlink to my OSD....I am pretty sure that…Continue

How to install Benewake TF SERIES on PixHawk(Take TF01 for example)

Started by Benewake. Last reply by John Slavinsky Jan 4. 12 Replies

How to install Benewake TF SERIES on PixHawk(Take TF01 for example)  Install TF SERIES module on your drone vertically to the ground so you can get the absolute altitude of your drone. Here is how to…Continue

Tags: lidar, pixhawk

Interesting Throttle Spikes in Auto Mode, Plane V3.7.1

Started by Jeremy Stromsoe Nov 21, 2017. 0 Replies

Background:  We've got a large scale powered glider  that has been flying pretty well, except for one thing that is baffling.  We've done Autotune, setup and checked each parameter carefully in the…Continue

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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!!!!!!!!!!!!!!!

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 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:

EPP Density Explained:

RF-70 Flying Wing: Performance – Specifications

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
WING LOADING 2.14 ounces/ft²
BATTERY VOLTAGE 14.8 volts / 4S
RECOMMENDED MOTOR Hyperion ZS 3025 8-Turn 970 KV brushless outrunner


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

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”

3D Robotics PixHawk
Designed and manufactured in the US

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

Manufacturer: Castle Creations
Max Continuous Current: 75 Amps
Designed and manufactured in the US

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

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

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.
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.

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... 

Comment by Aeropixel on September 15, 2015 at 8:13am

Hello friends.
Howcome in an plane APM there isn't the option to set rc6, rc7 or rc8 as RTL mode like there is in copter?
I wanted to set RTL mode on a 2-position switch as a "panic button" instead of using it on the traditional flight mode rc5 channel, but on RC#_FUNCTION there isn't the possibility to select RTL.
Is it possible that one can't make a dedicated panic button on a plane? Is there a reason for removing RTL from the function options on plane? I tried to find a justification for that removal, but I have found nothing.
Thank you.


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