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Latest Activity

Ravi commented on Julian's blog post 3DR's Rise and Fall
"I think when the solo was launched and lot of  things became closed source the DIY community felt abandoned. The DIY community which helped 3DR grow was never interested in a product like solo. it was more about research, components and new…"
Oct 7
Ravi commented on Julian's blog post 3DR's Rise and Fall
"@john, I agree with you 100%. that was the way to go. when the pixhawk was launched everything was so good. 3DR could have launched so many products from it's store. like Lidars, gimbals carbon fiber products, CNC machining ADS receivers. 3DR…"
Oct 7
Ravi commented on Julian's blog post 3DR's Rise and Fall
"china has harmed so many industries in US and worldwide by keeping the products low priced because of currency being artificially controlled. by vilolating patents. it even declined to honor a international court verdict. once the regulations are…"
Oct 6
Ravi replied to Chad Frazer's discussion $100 Gift Card to whoever solves this: Airspeed Creep - Airspeed artificially increasing - Fixed Wing
"try a three wire shielded cable. I use a shielded cable from old computers which was used in old type of CD drives. also cover the pitot holes when you powerup the APM if there is wind around. Not needed if the breeze is calm."
Oct 1
Ravi commented on Ben Dellar's blog post 100km in the X-UAV Talon
"congrats! how much range did you get on RFD900."
Sep 10
Ravi commented on Chris Anderson's blog post Intel announces new Aero drone development board based on Dronecode PX4 software
"the spectrum receiver  light is steady. means it is paired to the RC transmitter.  snapdragon is closed source. pixhawk2 will definitely be open source. all eye are looking at the door when pixhawk 2 comes out of it. pixhawk is so…"
Aug 17
Ravi commented on Chris Anderson's blog post Intel announces new Aero drone development board based on Dronecode PX4 software
"whatever happened to pixhawk 2? would have been in the same category suppose."
Aug 17
Ravi commented on Randy's blog post AntennaTracker v1.0 on NAVIO2 with Bebop2
"I think it is a great idea to use RPi for tracker. using RPi for telemetry is a very cost effective solutions since the wifi dongles are available for under $10. eventually video will also zero down to RPi. so all three integrated into the same…"
Jul 28

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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