Build log - MRTo8 - heavy lift octocopter

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drhswe

Member

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Gunter

Gunter

Draganflyer X4
I'll take that as a compliment!

At first I was sure it would take lots of work to build an airframe and I didn't think I could do it myself, but it's really easy if you go about it right. The main thing is to try and keep as much of the weight off as possible, which it looks like you have done. It also looks like you have used captive nuts there as well, a nice touch which makes fitting a whole lot easier.

Well, I hope your build goes as easily as mine. Keep us up to date on the progress. Mine will have a slight facelift in the next few weeks, so I will be busy again :)

Gunter.
 

BorisS

BorisS

Drone Enthusiast
Hi Drhswe,

are you prototyping at the moment or is the centerplate the final material you will be using. If yes what material is it ? Nomal Acrylic ?

thanks

Boris
 

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drhswe

Member
BorisS said:
Hi Drhswe,

are you prototyping at the moment or is the centerplate the final material you will be using. If yes what material is it ? Nomal Acrylic ?

thanks

Boris
Click to expand...

A bit of both, it is a prototype that can be used.
The center plates are made of 4mm Makrolon, "the high-tech polycarbonate". It's realy superstrong.

View attachment 1814
My engine mount

View attachment 1815
6mm Makrolon
 

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BorisS

BorisS

Drone Enthusiast
Very cool i like this Makrolon. I cant really find any infos about it. Do you know if there is any Polyvinyl chloride ​in Makrolon. I would be interested to give the material a test drive on the laser cuter 5 mins from my house. Him not being able to cut carbon makes the machine only usable for acrylic prototyping: If makrolon is possible i would be thinking about building my own frame.

Thanks

Boris
 

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drhswe

Member
BorisS said:
Very cool i like this Makrolon. I cant really find any infos about it. Do you know if there is any Polyvinyl chloride ​in Makrolon. I would be interested to give the material a test drive on the laser cuter 5 mins from my house. Him not being able to cut carbon makes the machine only usable for acrylic prototyping: If makrolon is possible i would be thinking about building my own frame.

Thanks

Boris
Click to expand...

Hi

It's a polycarbonate: http://en.wikipedia.org/wiki/Polycarbonate
Or you can requst a data sheet here: http://www.bayermaterialsciencenaft...8E6FA359126&o_num=4&pf=0&startrow=1&maxrow=10

I'm not sure which one I'm using.
 





Droider

Droider

Drone Enthusiast
Love those boom end plugs.. nice finishing touches.. looks the dogs jobber... be interesting to se how the plycarb handles the vibes.. where are you getting it from and where are you getting the carbon tubing from?

U using a CNC cutter?

Dave
 


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drhswe

Member
BorisS said:
How is the build coming along i would be very interested to hear you experience of the makrolon used with a productive copter. Just ordered a sheet and want to build a small bird only out if Makrolon.


Similar to something like this http://www.hoverthings.com/frame-sets/vc450dc.html

Boris
Click to expand...

Hi, sorry for being away for awhile.
Too much work and to many projects at the same time...

One of them: http://www.multirotorforums.com/showthread.php?2069-Build-(picture)-log-CineStar-6

I have also built a QUAD in Makrolon, I will put up a thread later.

View attachment 2326


@ Droider - Yes a CNC cutter. I'm getting the Makrolon from a local store. Carbon fibre - ebay.
@ Gunter - Motor distance ~100 cm
 

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ovdt

Member
BTW, did you drill the holes on boom clamps manually? If the CNC machine did it, what kind of machine did you use?
 




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