Replies to This Discussion

Permalink Reply by Alex Lee on January 31, 2012 at 7:40pm

I'll start off..

frame: My own hexa creation

controller/autopilot: APM1

motors: 2836 880kv (3DRobotics)

esc: 25A (Turnigy Basic)

propellers: 12x47,  (Found a distributor and order 30 at a time)

battery:  3S 5000mAh (Turnigy nano-tech--45-90C... 6 motors draw way more amps..I messed up my 3S 6000 25-50C pack) flying time: ~9Min. 9 Min Flight

radio: Turnigy 9X

video/osd: GoPro/none other: Sonar, Xbee, GPS/Mag, 

Misc:

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Permalink Reply by Ellison Chan on January 31, 2012 at 7:51pm

My latest frame, named Firefly Mark One, is a 3D printed multirotor.  See the flight video in my blog.

Here's BoM for major components used:

4 x FC 28-22 Brushless Outrunner 1200kv  $6.99 each

4 x Hobbyking SS Series 18-20A ESC $7.38 each

4 x 9x5 Propellers (Standard and Counter Rotating) $2.93

2 x 2mm Gold Connectors 10 pairs (20pc) $1.87

1 x Turnigy nano-tech 3000mah 3S 25~50C Lipo Pack $24.32

4 x Common Trex 450 tail booms (12mm)   $4.95 for 5 booms on ebay

2 x Bags of M3x20mm hex bolts $1.99 each

1 x Bag of M3 nuts $1.76

1 x APM/Oilpan Autopilot and IMU on DiYDrones Store $250

1 x Magnetometer from DiYDrones Store $44.90

1 x Firefly Mark One 3D Printed Frame with Motor Mounts $72.20

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DeveloperPermalink Reply by Marco Robustini on February 1, 2012 at 12:55pm

ArduCopter Heavy Octo X8, here the related thread:

http://diydrones.com/forum/topics/arducopter-heavy-x-octo-fw-2-0-56...

Bests

Marco

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Permalink Reply by Chris on February 2, 2012 at 12:44pm

frame: Gaui 330x extended frame
controller/autopilot: APM1
motors: Arrowwind 2250/15
esc: Feigao 18-Amp
propellers: Stock gaui

battery: 2800mAh 3S
flying time: 7min (with a big safety margin)

radio: Futaba 10C / orange 8Ch RX
video/osd: GoPro HDhero no FPV (yet)
other: Pololu RC switch to LED lighting

Misc (hacks/mods): extended frame, wide skid set

Attachments:

• IMG_2506.JPG, 3.8 MB

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ModeratorPermalink Reply by Ruwan on February 2, 2012 at 9:45pm

The propellers are 8" right? 

A quick browsing showed me a nice protector for the quad, http://www.rcdude.com/servlet/the-1886/Gaui-330X-Protection-Frame/D... Hoping to either build one or buy one. 

regards,

Ruwan.

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ModeratorPermalink Reply by Ruwan on February 2, 2012 at 10:04pm

Thanks Marco. I've extracted a summary from your thread (same images are linked). I hope you wouldn't mind :-) Please correct me if I've entered wrong info. 

frame: Homebuilt frame, mixed aluminum / vetronite (by AleBS, thanks dude! :P) + homebuilt hood
controller/autopilot: APM1 2560
motors: TigerMotors MT2814 710 kv (mounted with 3° inclination for increase YAV control)
esc: HiModel Pro 30A, in high timing mode
propellers: APC 13x6.5 E
battery: Lipo 4s2p 5000 mhA 40c
flying time: 9 minutes in high payload.
radio: TX Futaba T12FG, RX Futaba R6008HS, Two-Way telemetry "Mikrokopter Wi232" (890 MHz)
video/osd:
other: OilPAN IMU, Mediatek MT3329 GPS V1.6, XL-MaxSonar MB1200 (with active filter and "thermal mods", 4 x 10 ohm resistor around the case), Two switching BEC 6V 5A (connected to electronics through two diodes 3A, the tension output is 5.33V)
Misc (hacks/mods): Six led strip connected to APM (pins AN8<->AN13 through ULN2003), thanks to u4eake for the code, wrapped the sonar with soft sponge to keep the heat generated the resistor, used shielded audio cable with atoroid to the "sonar side". A little piece of sponge is also over the baro

photos:

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Permalink Reply by John Campen on February 5, 2012 at 4:29pm

My X8 Quad specs

Board: AMP1

GCS: MP1.1.31

Firmware: 2.3

Quad X8 (coaxial 2 motors/ESC per arm sharing one APM signal)

3300mAh 4S 35-70C

Droidworx ADR Quad Standard, (72cmx72cm across)

Flight weight 2.4kgs

Motors 880kv Jdrones

8 Props 12x4.5

ESC 30A Jdrones

APM power supply. 5V, 3amp switching regulator (SVR3 Tahmazo)

Sonar XL-EZ0 (MB1200)

Declination:  -0.5899

Attachments:

• DSC_0029.JPG, 6.3 MB

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DeveloperPermalink Reply by Marco Robustini on February 5, 2012 at 4:46pm

That's fine! Thanks Ruwan! :-)

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Permalink Reply by FireFlyer451 on February 6, 2012 at 3:07pm

John,

If I wanted to plug your design into ECalc, what could I use to specify the motors. There is no 'Jdrones' in the list?

Thanks,

Mike

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Permalink Reply by John Campen on February 6, 2012 at 4:24pm

I asked Jani from Jdrones which one to use but he hasn't got back to me yet. The one I think comes closest from what I can see is the Turnigy TR2830-14.

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Permalink Reply by FireFlyer451 on February 6, 2012 at 4:26pm

Cool,  when you do hear please post your finding.

I am climbing the Ecalc learning curve, trying out different scenarios. It is all pretty interesting.

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Permalink Reply by Chris on February 6, 2012 at 7:35pm

yeah, 8 x4.5 or so.

the frame has some pros and cons..  the pro being that in minor crashes it pops apart rather then breaking, but that makes the frame rather flexible... 

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