Bob Morley
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  • Santiago
  • Chile
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Bob Morley commented on Bob Morley's blog post More progress...
"I was just going to superglue everything and see how it went, nice to know which glue to use. I agree PLA is a poor material but it has benefits - its cheap, easy to make accurate prints and can be used by every 3D printer. If it works out I may…"
Friday

MR60
Hugues commented on Bob Morley's blog post More progress...
"Nice project. If I can throw some experience on building frames : they must be as rigid as possible in order to have a good attitude control. CF tubes are rigid, no problem. But PLA plastic parts are linking and holding your CF tubes and that is not…"
Friday
Bob Morley commented on Bob Morley's blog post More progress...
"I agree completely regarding tricopter tail linkages, a vulnerable part that's tough to simplify, all part of the challenge. I have some ideas but ran out of space for the servo, it may yet happen as I'm still working on the CAD…"
Thursday
Gary McCray commented on Bob Morley's blog post More progress...
"Hi Bob, I greatly approve of making a copter that can fit in the underweight class, I think that is going to be a huge market in the future.It was basically put in so they didn't have to try and deal with toys, but advances have been so fast…"
Thursday
Marc Dornan commented on Bob Morley's blog post More progress...
"Great stuff! I do agree with Jean though -- a tri generally just adds complexity and mechanical unreliability for questionable weight savings. But your design will be easy to adapt to a quad if you need to change it. Please post your progress…"
Apr 20
Bob Morley commented on Bob Morley's blog post More progress...
"Its all experimemtal, wouldn't be fun if it wasn't :-) The motors weigh 55g each, I'm trying very small metal gear servo that weighs 13g, the tail boom bearings weigh 3.5g each and one less esc than a quad. Should be a net…"
Apr 20
JeanLeFlambeur commented on Bob Morley's blog post More progress...
"I like your yaw system. I guess you went for a tri to save weight, right? You might end up with more weight than if you went for a X quad because of the servo (which alone is 20-30% of the weight of an extra motor), the yaw linkages, extra CF tubing…"
Apr 20
Bob Morley posted a blog post

More progress...

Most of the parts have arrived so I've been able to get accurate measurements and start on the airframe, a small tricopter. Materials are carbon tubes & 3D printed PLA.The laws here in Chile are restrictive. You need a license, drone registration, insurance and the drone has to pass inspection - apparently *very* hard to get.If the drone weighs less than 700 grams its classed as a toy, which means no restrictions other than common sense and being responsible for any damage. So that's the…See More
Apr 20
Bob Morley commented on Bob Morley's blog post PixFalcon, Mega2560, Pi2 & S-Bus
"You're right, delays have been an issue. The arduino interrupts the pi every time it starts sending an s-bus packet to the PixFalcon. The pi has the next s-bus packet in the arduino serial buffer before its has to send the next one to the…"
Mar 31
Andrew Zaborowski commented on Bob Morley's blog post PixFalcon, Mega2560, Pi2 & S-Bus
"One thing that rings an alarm here is the potential delays (bluetooth, wifi, 3G all have their levels of latency, then USB is another source of latency and then just the number of nodes between the controller and the pixfalcon).  May not be an…"
Mar 31
Bob Morley posted a blog post

PixFalcon, Mega2560, Pi2 & S-Bus

Hi all,Thought it about time I posted something about my new project, which is all about getting way too many sensors airborne on something interesting. I've flown fixed wing models before (many years ago), multirotors look like more fun.So far I have a PixFalcon, a Pi2 and Mega 2560. The Pi2 provides redundant…See More
Mar 26

Profile Information

About Me:
Brit living in Chile.
Please tell us a bit about your UAV interest
Building a 700 gram tricopter
Hometown:
Santiago

Bob Morley's Blog

More progress...

Posted on April 19, 2017 at 4:00pm 7 Comments

Most of the parts have arrived so I've been able to get accurate measurements and start on the airframe, a small tricopter. Materials are carbon tubes & 3D printed PLA.

The laws here in Chile are restrictive. You need a license, drone registration, insurance and the drone has to pass inspection - apparently *very* hard to get.

If the drone weighs less than 700 grams its classed as a toy, which means no restrictions other than common sense and being…

Continue

PixFalcon, Mega2560, Pi2 & S-Bus

Posted on March 26, 2017 at 5:00pm 2 Comments

Hi all,

Thought it about time I posted something about my new project, which is all about getting way too many sensors airborne on something interesting. I've flown fixed wing models before (many years ago), multirotors look like more fun.

So far I have a PixFalcon, a Pi2 and…

Continue

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