MILAN BEHARIE
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  • JOHANNESBURG
  • South Africa
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APM and DJI Gps Postion

Started Mar 13 0 Replies

Hi AllDoes anyone know if mounting the APM'S GPS unit the same way as DJI (Elevated about the CG) will improve the GPS accuracy? Also is the trade off for the extra effort worth it?RegardsContinue

Tags: GPS, APM, DJI

DJI S800 query

Started this discussion. Last reply by MILAN BEHARIE Mar 24. 4 Replies

Hi AllI am looking at using the rctimer speed controllers on a custom UAV(ie. controllers on the arms). I need to know if there are any objections to this method and also as per the schematic as to…Continue

Tags: FRAMES, DJI, ESC

DJI S800 Chassis/Frame

Started this discussion. Last reply by MILAN BEHARIE Mar 17. 8 Replies

Hi AllLately I have been analysing chassis from a static point of view and have noted something very odd about the DJI chassis. For the asking price of 1000$-2000$ I felt very naive at first. I then…Continue

Dual APM-Failover

Started Sep 16, 2013 0 Replies

Hi AllI wish to use 2xAPM 2.5 in a system for failover. My questions are:1. What variables need to be initialized on boot.2. Can a APM module can be put to sleep. Ive worked with a ATMEGA 2560 on…Continue

 

MILAN BEHARIE's Page

Latest Activity

MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 query
"Hi Guys  Purchased the RC timer ESC's: Did some labeling below: Now to build them into my cool design.....:) "
Mar 24
MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"Small up: arms and motor inclinationdate:"
Mar 17
MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 query
"Anyone have feedback on Paras claim?"
Mar 14
MILAN BEHARIE posted a discussion

APM and DJI Gps Postion

Hi AllDoes anyone know if mounting the APM'S GPS unit the same way as DJI (Elevated about the CG) will improve the GPS accuracy? Also is the trade off for the extra effort worth it?RegardsSee More
Mar 13
Phillip Schmidt replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"As it already has been noted below, this basic concept for natural stability is not native to MR. Here's basically how it works:   A force causes the MR to pitch and or roll.  As this happens, one side will will approach level which…"
Jan 17
Euan Ramsay replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"I'll take a wild stab that this acts like dihedral on plane wings in level flight - it will naturally try to self-level if left to it's own devices, at the expense of maneuverability and downward thrust. But I imagine the payoff is…"
Jan 17
Craiginho replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"As Phillip mentioned the angle is there mainly to aid stability. Another example where this principle is used is in the rockets used to launch the shuttle. The thrusters are at a slight angle to aid stability at the expense of a slight loss in…"
Jan 17
MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"Hi Phillip please can you explain the how the pitch and roll stability is improved?"
Jan 17
Phillip Schmidt replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"The arm inclination is for natural roll/pitch stability and to provide additional clearance so that the arms/motors/props are sure not to intrude into the line of sight of a camera system.  It is slightly less efficient than flat arms, but not…"
Jan 16
MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"I figured Fx sin (theta) is a waste  of a thrust vector. :)"
Jan 8
Scott replied to MILAN BEHARIE's discussion DJI S800 Chassis/Frame
"Seems like your smarter then anyone here. Bump looking for an answer as good as the question."
Jan 8
MILAN BEHARIE replied to MILAN BEHARIE's discussion DJI S800 query
"Hi I plan to use these specific ESC for a quad im building since these save space and weight.  Regatrding the 24 pole config, RCTIMER specify 4114-350KV in their package which is 24N22P. Can you clarify as this is 22 pole? Can i flash new…"
Dec 20, 2013
Para replied to MILAN BEHARIE's discussion DJI S800 query
"The RcTimer "round" ESC is a cheaper replacement for DJIs S800 ones, and as such it has connection for the four wires found in the original arm structure, which indeed are VCC, GND, GND, SIGNAL.   What they didn't take into…"
Dec 18, 2013
MILAN BEHARIE replied to James Slizewski's discussion Good Air frames for mapping in the group Agricultural UAVs
"Hi  The difference between a glider and a quadcopter is the agility and endurance. A significant amount of the quadcopters thrust is expelled into a vector opposing its weight. This makes for a very energy inefficient means of flying. Remember…"
Dec 16, 2013
MILAN BEHARIE commented on Chris Anderson's group Agricultural UAVs
"Hi Micheal, I would like to become more involved in this field it interests me. Regarding algae blooms do you use NVDI? Also is the monitoring of these purely for the benchmarking of treatments? Also 40 acres is 0.2km^2 and this entails whats kind…"
Dec 16, 2013
MILAN BEHARIE replied to Paul Henckel's discussion GSM enabled drones for use in agriculture - a design study in the group Agricultural UAVs
"Hi What is this in aid of? Personal interest or is it a future business venture?"
Dec 15, 2013

Profile Information

About Me:
AERONAUTICAL ENGINEER
Please tell us a bit about your UAV interest
QUADROTOR APPLICATIONS, NEURAL NETWORKS, BUILT IN INTELLIGENCE, NATIONAL INSTRUMENTS
Hometown:
JOHANNESBURG

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