ArduOktoKopter Flies
I have just tried my Oktokopter on its second flight (despite the wind and light rain that made it a very short flight) and it seems flyable. When the weather calms down I will give it a longer flight and try and shoot some video. Here are some brief details:
KDA20-22L motors, Turnigy 30A ESC's converted to I2C, APC 10 x 4.7 props, UBEC, GWS RX8 receiver, 10mm sq aluminium frame with pcb central hub and mounting plates
RC1 code modified to add I2C motor control and mixertable for controlling 8motors. ArduOktoKopter.zip
Peter
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Comment by Daniel Gru on November 8, 2010 at 11:13am -
I think you should get in contact with the arducopter team, your help would be greatly appreciated.
Great stuff there, i am anxiously waiting for the Hexa-Code to be published...
Regards
Daniel
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Comment by Peter Seddon on November 8, 2010 at 11:36am -
I have added a file that includes my modified code, code for the ESC's, instructions on modding the ESC's to I2C and my assembly file. Enjoy!!
Converting the code to a hex would be very simple and would require the mixertable to be adjusted and some references to motors 6 and 7 to be removed. If you want the mixertable for a hex then let me know - the yaw values need to be the correct sign compared with some of the published tables I came across.
Peter
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Moderator Comment by Robero Navoni on November 8, 2010 at 2:23pm -
The mixertable for i2c and pwm regulator is available unitl first revision of code .. I yet fly Hexa radial , Hexa Coaxial and Oktokopter ..jani are working to integrate it in the next Arducopter NG revision.
Regards
Roberto
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Comment by EUGEN MILJAN on November 8, 2010 at 2:46pm -
Hi.
Great job! What is the max payload of your oktokopter? Did you test it?
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Comment by Peter Seddon on November 8, 2010 at 3:01pm
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No have not tested payload - there is a great deal more testing to do.
Peter
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Moderator Comment by Robero Navoni on November 8, 2010 at 3:15pm -
Do you have an a video of your flight ? What kind of implementation are you doin to standard code ? Are you see my Mixertable ?
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Comment by Steve on November 8, 2010 at 3:17pm -
What is the benefit of converting to I2C? Faster communication?
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Moderator Comment by Robero Navoni on November 8, 2010 at 3:33pm -
Faster more affordable only 2 wire .. until 20 BL-ESC bidirectional bus .. that can feedback information .. amp used by reguler .. temperature ecc
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Comment by Steve on November 8, 2010 at 3:54pm
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This is made for an MK will it work with an Arducopter?
http://www.flashrc.com/flyboard/6648-convertisseur_i2c_%3E_ppm_4_6_...
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Comment by EUGEN MILJAN on November 8, 2010 at 4:23pm
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I have started a research for my oktokopter project, and have few questions for you guys...
Can I use Carbon fiber square tube 10mm x 10mm inner 8.5mm for construction of the arms
http://cgi.ebay.com/Carbon-fiber-square-tube-10-x-10-x-8-5-x1-000mm...
and carbon fiber plate 4 mm thick to make main frame to achive better weight/payload ratio?
Also... Are there any stronger ESC's that can be converted to I2C.. in a 40A range?
Kindest regards.
Eugen
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