Replies to This Discussion

Permalink Reply by Jim Townsend on January 28, 2013 at 1:46pm

Thanks..   The picture I attached was an early pre-test shot.  It was good that I didn't tie down the ESC's because one was bad right out of the box.  It got hot to the touch seconds after powering up and wouldn't turn any of the motors I attached it to..  The rest of the ESC's worked fine.   I'm still waiting for a replacement in the mail...  

Everything will be snug and tight before it takes flight :)

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Permalink Reply by Allen Martin on January 29, 2013 at 6:14am

frame: Finwing Penguin (ReadyMadeRC)
controller/autopilot: APM 2.0
esc: 60A (Finwing)
motors: 2815 (Finwing)
propellers: APC 9x7.5e
battery:  3S 5k (Grayson Hobby)

total weight: -- lbs
flying time: 20 minutes mixed flight

radio: Spektrum DX8
video: 600tvl camera + 1.3ghz 1.5 watt video tx (Ready Made RC)
osd: MinimOSD 1.1
other: 433mhz radio link, air speed sensor

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Permalink Reply by Karl Waters on February 1, 2013 at 7:12pm

I've just started in the hobby, finally after a few long flight hours had it flying reasonably well! 

Specs are as follows;

Propellers: Slow-fly 8045(R)

F.C Board: KK2.0

Motors: NTMPropDrive 1200kV/250W

ESC: Turnigy plush 25A 

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Permalink Reply by Andrew Girgen on February 4, 2013 at 11:56am

Hello everyone...

One of my first posts so I guess I'll introduce myself first.  My name is Andrew and I currently reside in the Daytona Beach, FL area.  I have been flying RC for many years and recently got into FPV with a skywalker X8 running a full Eagle Tree OSD/Diversity/Telemetry setup.

 

As I'm also into photography, I got interested in building a camera platform that would eventually be able to carry my Canon T4I.  

 

So this is what I came up with:

 

*S6 hex air frame from www.sto.org.tw

*S6-Pro Gimbal from www.sto.org.tw
*STO 530KV motors
*Generic 40A esc
*APM 2.5 with GPS, 3DR data radio and 3DR current sensor for flight control
*Paris Sirrus multiwii board for gimbal control
*DX8 and AR8000 TX/RX combo

*Turnigy Nano-Tech 4S2P  10000 MAh

 

I didn't find much info on STO but they had a lot of videos of their products and they seemed to be of pretty good quality.  I took the risk and ordered the air frame, motors and gimbal.  For the most part, I am happy.  I can see that I will probably have to modify the gimbal if I'm going to get truly professional results... It has a bit of slop that could be taken out with some better components.  I will probably upgrade the MultiWii controller as it doesn't seem to want to hold the horizon level no matter how much tweeking I do.  I learn something new every day tho so it might just be something I'm overlooking.  The MultiWii board leaves a little to be desired in the area of documentation (esp. documentation regarding using it as a stand alone 3 axis gimbal controller).  The pitch axis is locked in pretty well, but with the roll axis the servo keeps up fine but when it settles the mount isn't level.  For example: from a level position roll the gimbal 5 degrees, the servo tracks fine with proper speed but when they stop the gimbal settles at say 4 degrees.  I'm not sure what to do to improve this.  Overall, im pretty happy with it but I havent started messing around with the yaw axis or added manual control to the system.  So we shall see...

The only other gripe I have about this setup is the motors from STO.  They only have a single grub screw securing the bell to the shaft.  After just one tip over, the grub screw on both front motors stripped so now the props slip a little.  This is evident in the copter always wanting to be in forward motion.  I'm guessing this is due to less power being transferred to the front two motors because of the slip.  I ordered a set of bolt on prop shafts that will hopefully alleviate this problem.  In the mean time, I just tuned up the APM for a good, stabilized hover.  This was very easy and required very little tweaking.  It flew almost perfect right out of the box (See the first video)...

 

Anyway, thanks for reading and if anyone has any tips I'm all ears!

APG

 

Really boring video of me hovering.  Hopefully I'll have something better soon.

First Flight:

http://youtu.be/-DyOZmuSG_Y

(I cant get my videos to embed here?! not sure what I'm doing wrong...)

I will post the second and third flights after they finish uploading.

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ModeratorPermalink Reply by Ruwan on April 3, 2013 at 1:18pm

Andrew, I've embedded your video. In the future, you can click on the "html" button and insert the embedding code. 

BTW, it is nice and stable!! great work!

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Permalink Reply by Forrest Frantz on May 12, 2013 at 7:39am

Nice build.  Looks like you even attracted attention.

I'd like to stay in touch with your impressions on camera (CCD vs CMOS), frame vibration, flight time with camera, etc.

Sometimes when things don't go back to zero, if there is a controller involved, it might be the PID settings.  Increasing the I of the PID might solve the problem.  Errors are continuously added up for the I part (the integral or sum of the errors) to correct.

Enjoy

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Permalink Reply by John Stäck on March 25, 2013 at 4:19pm

frame: 10x20mm wood (pine), 2mm plywood
controller/autopilot: APM2.5, ArduCopter 2.9.1
esc: RCTimer 20A
motors: RCTimer 2217-800
propellers: 10x4.7
motor to motor distance: 55cm
battery: 1800mAh 3S 20C (RCTimer)
total weight: 1100g
flying time: 10 min
radio: HK6DF
video/osd: FatShark 5.8GHz
other: Sonar. Landing gear made out of pipe insulation (picture shows some piano wire loops that didn't work)

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Permalink Reply by John Stäck on March 25, 2013 at 4:27pm

frame: Styrofoam rings, 170mm diameter (inner diameter 130mm). Some wood pieces (4x8mm I think)
controller/autopilot: Crius AIOP2, MegaPirateNG
esc: Turnigy Plush 12A
motors: HK 2725-1600
propellers: 5x4.5
motor to motor distance: 170mm
battery: Zippy Compact 4S 1000mAh 25C
total weight: 600g
flying time: 6-7 min
radio: HK6DF
video/osd: Nope.
other: Strange indoor quad. Not very stable.

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Permalink Reply by Patrick Helsemans on March 31, 2013 at 12:26pm

Tricopter Rcexplorer.se Mix vers 1.5 - 1.6
Apm 2,5
GPS 3DR
Prop : 10 x 4,7
DT750 750kV Motors
Radio Turnigy 9x 2.4 Ghz
Esc's Turnigy Plush 18 A (Flashed with  OwSilProg BLHeliTool)
Receiver Frsky V8FR-II (Failsafe)
GoPro Hero 2
Mission Planner 1.2.36
Lipo 11,1vlt - 5000 mah

Maiden : https://vimeo.com/62951203

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Permalink Reply by Jorn Deruyck on May 11, 2013 at 9:01am

frame: Custom aluminium CNC milled
controller/autopilot: APM 2.5
esc: RXtimer 40A with simonk firmware
motors: 4
propellers: 14 x 4.7
motor to motor distance: 580mm

battery: 1 - 3 x 3s 5000mAh LiPo
total weight: ~2000gr
flying time: not tested yet, but should be 10min with 1 x 5000mAh battery and 20min with the 3 x 5000mAh batteries it was designed for

radio: Devo 10 with deviation firmware
video/osd: -
other: -

Misc (hacks/mods): -

photos:

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Permalink Reply by Roberto Fonseca on May 11, 2013 at 7:25pm

frame: TBS Discovery
controller/autopilot: APM 2.5
esc: Turnigy Plash 18A
motors: L2215J 900kv Turnigy
propellers: SF 10 x 4.5
battery: 3s 5000mAh LiPo

Telemetry: 3DR 433MHz

Video: Gopro 3 White

FPV: Fatshark 5.8GHz

total weight: ~1750gr
flying time: 13 min.

radio: Spektrum Dx6i

photos:

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