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ADrone All Aluminum X copter

Started this discussion. Last reply by Luis Escobar Oct 10, 2014. 3 Replies

Hello, I designed and built a frame I want to share. I hope this is the right place.Designed for power and lifting. Also easy to repair.Let me know what you thinkI am open to working more so please…Continue

 

chrisa's Page

Latest Activity

chrisa commented on Gerard Toonstra's blog post Redesigning multirotor ESC's
"Here is a block drawing I made I think this would be good as a stick so that it will fit in thin places, also the way the power is routed, there can be a large amount of capacitors along the side wihch will be away from the heat source and not…"
Oct 28, 2014
Winfried Rijssenbeek left a comment for chrisa
"dear Chrisa, thanks for the offer. We are working on the frame currently, so OK. But would be good to have your idea and comments first. So the craft should be fitting in a 2.5 by 4 meter area. Next, we are interested to know if you have also other…"
Oct 21, 2014
chrisa commented on Gerard Toonstra's blog post Redesigning multirotor ESC's
"This is a great idea and get ready for a huge software group this can be modified in unlimited ways if designed correctly would use this as a main board for some small 1or2-motor applications."
Oct 21, 2014
chrisa replied to Euan Ramsay's discussion Just can't get yaw to work
"So if there is no option for D, this assumes you are moving a small mass, and that you need to keep P low. I (integral) can help if there is any sensor offset or drifting."
Oct 21, 2014
chrisa replied to Euan Ramsay's discussion Just can't get yaw to work
"Because you don't need to use any differential feedback for small craft with good response. If it was a larger craft the inertia of moving would cause it to overshoot which is why a negative D is added, to reduce the speed as it approaches…"
Oct 21, 2014
chrisa commented on Euan Ramsay's blog post APM into 230 size quad
"Do you have any videos or examples of this? I would like to see how it can perform turns while in forward motion, or how well it can strafe, thanks."
Oct 21, 2014
chrisa commented on Euan Ramsay's blog post APM into 230 size quad
"It would look great with some body or fiberglass or something. Even carbon fiber would be better, it looks "not aerodynamic" at all. Can you compare the V tail to the standard setup?"
Oct 21, 2014
chrisa replied to Euan Ramsay's discussion Just can't get yaw to work
"So are you relying on the supplied tools only, or do you know anything about PID? I think you should understand PID first, try Wikipedia. In general, you would want to have D low, almost 0, I also low, but sometimes it helps, and P is the one that…"
Oct 21, 2014
chrisa commented on AKRCGUY's blog post DVD Delivery By DRONE
"It seems like "the payloader" (just an electromagnet from a solenoid) is a waste of weight because of all the wires and magnets, and contraptions that need to be attached, and it only can carry 1kg, which is pathetic as far as…"
Oct 21, 2014
chrisa replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"I used eflite motors and they all have lasted through 5 crashes. The bearings look replaceable. They also list honest numbers for ratings on the website so you can match the esc to the motor, or just go with 20A or 30A and 3S. The brushless gimbal…"
Oct 20, 2014
chrisa commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"Thanks for all the comments I will update, maybe help others or post a round a little bit, or just shup for a while. The Eflite motors are really good I have not had a problem yet. Even after that crazy crash. Because the arms are so thin, the…"
Oct 20, 2014
chrisa commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"http://www.instructables.com/file/F28SQLKI07YNNQE a the good thing is its all the same part, you can add more for more strength or take off for less weight. 2.yea that explains a lot3.time to show you this4.was directly attached to the motors so…"
Oct 13, 2014
Euan Ramsay commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"That's a contradiction. You're flying it here, with the "no spar" at the top of the frame. And it's not just arm length that will show up this fundamental frame weakness - weight will too. Like the contraption you have…"
Oct 13, 2014
chrisa commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"and im still using the same frame just keep hammering it back."
Oct 13, 2014
chrisa commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"Well the reason for "No Spar" is to allow attachments. It is fine for this arm length. When I increased the arm length to 24"  it needed the bottom spar. but 12 inches is easy."
Oct 13, 2014
Euan Ramsay commented on chrisa's blog post Heavy lifting VTOL technology, frames.
"And please don't tell you were flying the frame like this...with no bottom spar... This is from your first crash...when you flew without a battery warning beeper."
Oct 13, 2014

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About Me:
hi
Please tell us a bit about your UAV interest
builder and hobbyist
electrical "electronics" engineer
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Chrisa's Blog

Heavy lifting VTOL technology, frames.

Posted on October 8, 2014 at 10:30am 38 Comments

I just tried to edit my post and I hope that all the comments didn't get deleted.

If so, I will have to go back through what I had, and try to add them in. oops sorry won't do that…

Continue

Comment Wall (4 comments)

At 2:31pm on May 4, 2014, Gary McCray said…

Hi Chrisa,

Please contact Alex Paskulin at 3drobotics or Craig regarding wiki contributions I have separated myself from wiki contributions for reasons cited.

Best Regards,

Gary

At 7:42am on October 8, 2014, Chris Bennett said…

Chrisa,

Please send me an email to cbennett@uasbusinesssolutions.com and we can begin collaboration on your efforts.  Thanks for the message

At 1:14am on October 10, 2014, SHIJIE said…

Hi, Chrisa! Thank you for letting me in, I'm interested in quadcopters. And I'm currently working on a project that uses flex-sensors to control my quadcopter.

At 10:19am on October 21, 2014, Winfried Rijssenbeek said…

dear Chrisa, thanks for the offer. We are working on the frame currently, so OK. But would be good to have your idea and comments first. So the craft should be fitting in a 2.5 by 4 meter area. Next, we are interested to know if you have also other skills to contribute. Currently the issues we are working on:

Stabilization soft and hard ware: how to improve on this( we will have the 3Drobotics stuff) but have not much understanding of it yet: 

The issue is redundancy: so we think to have 3 separate systems so that the ultimate control will take the best choice (2 that are same). we are not having much experience. May be you can shed some light on this, how that is done in the normal quad/hexacopters  Hope to hear, Best Winfried

 

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