Easter chickens could care less about Hobbyking's carbon fiber tubes...

 

Hi, I bought these very cheap hobbyking rectangular carbon tubes. I made this not so serious experiment with them as they could potentially be great to build your own multicopter frames. Tridge, by the way, used those recently in his quadplane build he posted about on diydrones.

And, this is a not so serious contribution to coming Easter chickens...

Enjoy Easter everyone!

Hugues

Views: 2563

Comment by Ben Norris on March 26, 2016 at 6:13am

The phrase is "the chicken couldn't care less" because if it could care less that means it must care by some amount!

Comment by Rob_Lefebvre on March 26, 2016 at 6:30am

Thanks for this.  I'm actually using these tubes for payload support on a helicopter.  OK for prototype, but I'll switch to something else for production.


MR60
Comment by Hugues on March 26, 2016 at 6:34am

Ben, ok lol. I guess they do care those damn chickens then!

Rob, thx. Yes they are great for prototyping at low cost. I'm currently building an anti-vibration camera mount with these tubes. I'll post some pictures when done.

Comment by Vladimir Kvitnevskiy on March 26, 2016 at 7:54am

A while back I bought a 12mm x 500mm carbon tube (circular, not square) from hobbyking to compare against the same size tubes from a carbon fiber supplier. HK's tube flexed way more (5x?), and weighed more, too.

Comment by Digital Wings on March 26, 2016 at 9:27am
Chickens care! :-)
Comment by George Kelly on March 26, 2016 at 9:57am

Thanks.

I was about to buy some. (Probably still will).

I kind of assumed the twill might be for show (it's Hobby King). But pultruded's not the end of the world.

They make a smaller-cross-section square tube and a round tube that nests perfectly inside the square one (because it has a cylindrical inside cavity) - it's very handy if you need a small, very light 'sliding rail'.

I also use a lot of their square aluminum tube (12 x 12 and 15 x 15 mm). Thin walls, but ribbed along the inside for stiffening. Dirt cheap, and no disappointments yet.

For the serious stuff, I might go with Dragon Plate in the US, or such.

George

Comment by Gary McCray on March 26, 2016 at 10:01am

Pultruded CF tube is generally worse than Fiberglass tube especially G10.

Even though generally speaking the G10 Flexes a bit more it is a lot more resilient and stronger in the event of a mishap.

Those pultruded tubes snap and crumble at any type of hard impact, I really don't think they are the correct choice for any use.

Rockwest composites and Dragon Plate provide top quality CF tubing which I use and I have other on my links as well at my Drones Are Fun links page:

http://dronesarefun.com/InformationAndLinks.html

If you really want to use CF tube, the good stuff is actually worth it, if you want to spend less or have something that will survive accidents better use G10.

Comment by Vladimir Kvitnevskiy on March 26, 2016 at 10:05am

Personally, I order from alibaba. The two problems are minimum order quantities (depends on seller) and shipping fees.

I found Dragon Plate to be more expensive, although I'm sure their quality is sky-high. Also, their metric selection was lacking last time I checked.

Comment by Cala on March 26, 2016 at 1:07pm

Chiken with potatoes at night? :D

Thank's for share the test Hugues

Comment by benbojangles on March 26, 2016 at 1:13pm

Tubes vs Squares

Any thoughts as to which is better? I can't help but think squares are easier to use with 3D printed parts for easier, more accurate alignment and less chance of slippage or rotation during flight

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