Ravi's Blog (4)

counter rotating motor and prop set

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…

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Added by Ravi on October 24, 2011 at 10:08pm — 13 Comments

rotary engines for UAV

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…

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Added by Ravi on October 15, 2011 at 7:24pm — 6 Comments

Aluminum Housing for APM



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 sufficiently large to house the APM and the Rx. The…

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Added by Ravi on September 30, 2011 at 5:30am — 8 Comments

some good hardware for easystar fliers

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…

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Added by Ravi on August 12, 2011 at 8:06am — 5 Comments

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Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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