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  • India

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Latest Activity

Ravi commented on Jani Hirvinen's blog post You think you have it?!? ArduPilot.ORG is looking some fancy merch stuff...
"great ideas! I will soon post a design of Wind Sock. wind sock is one of the most useful field equipment."
Ravi commented on Chris Anderson's blog post How they did compass calibration in the 19th century
"thanx chris. actually couple of us did not know about the exact principal of compass calibration. now it is much more clear."
Jun 2
Ravi commented on Jason Wise's blog post Quanum V52 Ground Control System - HobbyKing
"I would still prefer my 16 channel frsky taranis. it is so easy to manipulate."
May 26
Ravi commented on Andy Little's blog post A new use for an APM2.x...
"this is where the future is. APM code optimized fro Linux. I like the sheep story. just imagine the various applications of APM. I recently used the APM  to test the speed of a high speed train that was launched in my country in may this…"
May 9
Ravi commented on Jose Alberto Soler's blog post Airstring. Easy to install, small footprint, GSM Telemetry
"i think it is a good solution where the drone just needs to be tracked and monitored. but not where an uplink command is to be given. something like a linear path for surveillance."
May 5
Ravi commented on cedivad's blog post Introducing Fpv.Red - A HD FPV video system that doesn't fear latency or range
"would it have provisions for telemetry as  a future upgrade?"
May 4
Ravi commented on Chris Anderson's blog post uAvionix (ADS-B for Pixhawk) raises VC from Andy Rubin of Google/Android fame
"great step towards the safety issue. the prime concern as of now. the best part is that it is P&P with pixhawk. eventually we can have the Arducopter with a feature that if it detects the aircraft within certain distance it can make the…"
May 3
Ravi commented on benbojangles's blog post New Raspberry Pi camera
"@benjobangles, can u provide a direct link to downloading image files. I am having problem downloading them from github."
Apr 26

Profile Information

About Me:
Very eager aeromodeller. I find UAV is the ultimate fruit of all the hard work you do while making those miniature r/c planes and the heartbreak you get when they crash.
New Delhi

Ravi's Blog

counter rotating motor and prop set

Posted on October 24, 2011 at 10:08pm 13 Comments

this is a wonderful counter rotating BLDC motor and prop set ideally suited for planes between easystar and skywalker because of small footprint for the power equivalent 30xx size motors. it delivers 270 watts with 3S Lipo. the mounting would be bit tricky though. never tried but would order soon. very useful because prop diameter has to be restricted on pusher prop aircrafts with tail boom below the prop. once i get mine would put the performance parameters on the same blog. available at…


rotary engines for UAV

Posted on October 15, 2011 at 7:24pm 5 Comments

hi friends, on 14 October 2011 there was an exhibition organized by some 20 UAV manufactruing companies in New Delhi, India. It was wonderful to have something like this in India. The technology dispalyed was amazing. there were fixed wings and rotary winged UAV's. The show was won by this twin cylinder rotary engine designed for UAV's. The manufacturer claims to having nil vibrations in the engine. a very important issue for IMU's in the autopilot.  beautiful engine with circular cross…


Aluminum Housing for APM

Posted on September 30, 2011 at 5:30am 8 Comments

hi friends, whenever we fly in automode using APM there is always some chance of a bad crash. we do lose some expensive equipment. APM is quite expensive for almost $400 and not counting the mid night hours that go in debugging. so i have worked on a aluminum APM housing which is quite strong with 1.5mm thickness and is…


some good hardware for easystar fliers

Posted on August 12, 2011 at 8:06am 5 Comments

there is some good hardware combinations for easystar FPV. this is motor 2835-2200KV, a 6x5 propeller and a beautiful 35mm aluminium spinner form www.leadershobby.com. a lawmate 1.2Ghz tranmitter and a lawmate camera from www.hobbywireless.com. everything is working verywell with this combination. a 2200mAh zippy battery from www.hobbyking.com. just some information i…


Comment Wall (4 comments)

At 1:16am on July 23, 2008, jitendra gurjar said…
hi r u in uav s too . my mail id is jtendra.gurjar2gmail.com
At 10:50pm on July 24, 2008, Ravi said…
yes i am very much into model aeroplanes and trying to obtain a navigatin system for my project. i do not intend to built a system from scratch but use commercially avaialble systems. i think i am going in for micropilot with navigation, attitude, alt hold and telemetry. where r u located, i am in south delhi. ravi, myemail is ravinewdelhi@yahoo.com
At 10:41am on October 25, 2008, SUNEEL KAPUR said…
i have recently come to delhi. our interest seems to be same. call on 9717848302
At 10:06pm on September 1, 2011,
John Arne Birkeland

Hi Ravi. I do not know the Thomas Scherrer UHF system, but if the PWM sum is a standard 8 channel signal it should work. Just remove the propeller for safety and try and see if it works. It's not like anything will explode or anything if they aren't compatible. :)

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