Title: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 18, 2017, 10:29:59 AM I just completed an attempt to make the smallest RC aircraft. This is probably the 'smallest in the world'! :D
Wingspan- 6cm Motor- 4mm coreless LiPo-20mAh RX- Scratchbuilt 2ch Actuator- 120ohm Prop- D1 drone Weight breakdown Motor- 0.45g Lipo- 0.7g RX- 0.1g Act- 0.05g A/F- 0.1g Misc- 0.04g Total- 1.44g! The current flight time is about 2min. This is because I am using a very old lipo(undergone many cycles). Soon I will be fixing new one to get an estimated time of 6min! Video https://www.youtube.com/watch?v=ovy46ZDTZzI&feature=youtu.be Title: Re: Smallest RC plane Post by: kiran rc on June 18, 2017, 10:52:31 AM Scratchbuilt 2ch RX
Weight- 80mg 8mm x 5mm Title: Re: Smallest RC plane Post by: K K Iyer on June 18, 2017, 11:12:57 AM GOAL ACHIEVED!
{:)} :hatsoff: (Try reducing the prop pitch to slow the model...) Title: Re: Smallest RC plane Post by: kiran rc on June 18, 2017, 11:26:19 AM :thanks: sir,
Already tried various props,lowering pitch will decrease the airspeed and ultimately result in a stall. BTW, got the batteries I was looking for! Just arrived yesterday. Title: Re: Smallest RC plane Post by: Nik on June 18, 2017, 01:14:15 PM how did you build 2ch rx from scratch ?
even i like to build ... :) :) Title: Re: Smallest RC plane Post by: kiran rc on June 18, 2017, 01:23:20 PM Nik, it's based upon the microchip's baseline Pic10f200 and 38khz IR sensor. Building it at such small scale is tough. If you are trying for the first time, try going for a bigger size. These tiny receivers are restricted to indoor use as they are based upon infrared technology.
Title: Re: Smallest RC plane Post by: Nik on June 18, 2017, 07:47:54 PM ok kiran you useing PIC controller ..... thank you ... its look nice ... :) :)
Title: Re: Smallest RC plane Post by: kiran rc on June 18, 2017, 11:36:11 PM Thanks Nik :thumbsup:
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Imperial fire on June 19, 2017, 08:06:29 AM Great work... Esp with making the Rx....
Maiden videos please... Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: swapnilnimbalkar on June 19, 2017, 01:15:33 PM Great Achievement.
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 19, 2017, 02:34:50 PM @Imperial fire
Thanks! :D Had around 6-7 try's before getting a light RX! BTW, I have already given the video link. Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 19, 2017, 02:36:50 PM :thanks: Swapnil
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 19, 2017, 02:50:42 PM Looks like many are missing out the video. Here's the link
https://m.youtube.com/watch?v=ovy46ZDTZzI&persist_app=1&app=m (https://m.youtube.com/watch?v=ovy46ZDTZzI&persist_app=1&app=m) Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Balakrishna Reddy on June 19, 2017, 03:22:47 PM Very tiny and really cool masterpiece. Everything is super cool.
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: vishal on June 19, 2017, 05:24:10 PM awesome {:)} {:)} {:)} {:)}
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 19, 2017, 09:03:40 PM Thank you :)
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Herdmay1 on June 20, 2017, 10:00:27 PM amazing work!!
i was just wondering, if there is a way to do 2 channel without microcontroller. Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 20, 2017, 11:36:30 PM Thanks! :)
i was just wondering, if there is a way to do 2 channel without microcontroller. IC's/microcontrollers are required to decode the transmitted signals. Without these, 2ch communication isn't possible. However, to make a non proportionate system, IR receivers of two different frequencies may be used; Eg-38khz and 57khz(One frequency for each ch) ;D Nevertheless, the circuit becomes complex and bulky, rendering no tangible use. Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Priyanshu@ on June 20, 2017, 11:59:35 PM With only 2 CH how you control the aircraft
But awesome efforts Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: kiran rc on June 21, 2017, 12:32:24 AM With only 2 CH how you control the aircraft But awesome efforts Throttle is used to control the speed as well as altitude and rudder is used for yaw. :thumbsup: Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Herdmay1 on June 21, 2017, 08:57:48 AM I agree, just for academic interest, I was thinking of a low pass and a high pass. Since actuators are used I guess to just pass the pulse width info is enough or maybe not, passive components of filters may out weigh a tiny 10F
Title: Re: Smallest RC plane- 2.5inches wingspan! Post by: Sbach342 on June 22, 2017, 01:11:30 PM too small,just like a indoor racer
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