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Old Feb 13, 2013, 11:58 AM
kad
Quad Crasher
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United States, NY, Poughkeepsie
Joined May 2012
637 Posts
Quote:
Originally Posted by Senator315 View Post
Wanted to build something different and came up with what I call the Jet fighter Quad.

Using X525 plates, motor mounts and landing gear.
The booms are 16mm alum tube.
Had to mod the plates slightly to allow the left and right booms to move into positions it wasn't designed for.

Not only does it fly in quad mode, it also transforms to fly in tri Y or T mode.
Simply disconnect the front motor or remove it, set the FC (KK2) to tri, move the battery up front for CG and away you go.
It has a tail servo which is needed in tri mode, but also makes it yaw really well in quad mode.

If you think this is weird or crazy, wait till I show you my new one which is almost complete.
Cheers
Wow... That has me tempted to dig out my old GLB X525 frame and hack it. Nice job!

-K
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Old Feb 13, 2013, 06:13 PM
Registered User
Canada, ON, Merrickville-Wolford
Joined Jun 2012
835 Posts
Quote:
Originally Posted by tigerduck View Post
here it is... pdf with the plate 1:1 and dwg file with some drawings if you want to cut it out of a cf plate or anything in plates of 350x150mm.
Thanks for posting this. My brother makes fiberglass moldings (or used to anyway) and has a bunch of 3mm GRP sheet that I traded with him for. When I get some I think I might try cutting your quad out of it and see what happens. I have some 1500kv 1811 motors that I got thinking about a KK "UFO" quad that I could use with a 3S 500mAh battery. With hindsight I wish I'd got the 1800, or even 2000 kv motors but we'll see. Ecalc says I could go to 6x3 props with my motors on 3s, so that's an option. I got the 5x3 two blade props for now.

cheers, and thanks again for sharing your design,
Andrew

PS. Do you have any pictures of the broken quad after the crash? I am trying to visualize the "extreme" loads that quads get, and examining broken ones might be the only way to try to infer where the loads really come.
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Old Feb 13, 2013, 11:38 PM
Austrian adrenaline junkie...
Joined Jun 2012
64 Posts
You won't see very much on the photos because the booms where bent about 1-2mm between end of lower reinfocements and motors. Not much but enough to tilt the motors.
On 3mm fiberglass i think you are good to smash a window!

The only thing to keep in mind is vibration stiffness, i don't know how fiberglass behaves there.
I think it should also be no problem because the flyduino nanoquad is made of 2.5mm fiberglass.
But they have the interconnection between the arms...
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Old Feb 14, 2013, 03:29 PM
Build Fly Crash Repeat
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Worcester UK
Joined Nov 2004
770 Posts
My scratchbuilt carbon tri:

SSG Gimbal Movie (3 min 47 sec)
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Old Feb 14, 2013, 03:40 PM
Registered User
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United States, VA, Fairfax
Joined Dec 2012
1,246 Posts
Quote:
Originally Posted by crezzee View Post
I like this look!
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Old Feb 14, 2013, 03:44 PM
Jason
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United States, TN, Bell Buckle
Joined Aug 2002
346 Posts
Still needs some minor tuning.

first video flight with the new h-quad (2 min 14 sec)
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Old Feb 14, 2013, 08:04 PM
Multi Rotor Maniac
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Australia, VIC, Melbourne
Joined Oct 2007
2,778 Posts
Quote:
Originally Posted by crezzee View Post
Very tidy. I like.
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Old Feb 14, 2013, 09:07 PM
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Joined Jul 2012
1,861 Posts
tricopter

scratch built tri-fpv bird.
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Old Feb 14, 2013, 09:52 PM
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1,861 Posts
quad

scratch built quad.
servo city gimbal.
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Old Feb 14, 2013, 09:53 PM
r/c addict
USA, LA, DeRidder
Joined Jul 2004
202 Posts
Quote:
Originally Posted by harryarnold View Post
scratch built tri-fpv bird.
yea guys heres ol harry at his finest
http://www.rcgroups.com/forums/showthread.php?t=1830356
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Old Feb 14, 2013, 09:57 PM
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Originally Posted by nitrodude71 View Post
yea guys heres ol harry at his finest
http://www.rcgroups.com/forums/showthread.php?t=1830356
thanks. yep im finally famous. bring on the cross -posts.
sorry but your attempt to embarass me doesnt have any thing to do with scratchbuilt pictures. i'll have to report you.
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Old Feb 15, 2013, 07:51 AM
Chasing dreams not d competion
uk
Joined Feb 2009
574 Posts
Thanks for the link nitro, interesting read.
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Last edited by BrownOut; Feb 15, 2013 at 07:57 AM. Reason: Not worth getting into that argument.
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Old Feb 15, 2013, 09:06 AM
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Joined Jul 2012
1,861 Posts
Quote:
Originally Posted by BrownOut View Post
Thanks for the link nitro, interesting read.
what part did you find interesting? i closed the thread after the conversation got ridiculous.

I'd be happy to answer any questions you have about the dispute. please inbox me instead of misposting here.
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Last edited by harryarnold; Feb 17, 2013 at 11:23 AM.
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Old Feb 15, 2013, 09:21 AM View Post
AcroFPV
A moderator felt this post violated the following rule: Personal Attack. It is temporarily hidden while AcroFPV edits it. Show it to me anyway.
Old Feb 15, 2013, 09:48 AM
Stop me before I build again!
United States, NY, Albany
Joined Sep 2012
1,320 Posts
Quote:
Originally Posted by subaru4wd View Post
The part where you are a pathalogical liar. But that's fine.... you sure can build a mean tricopter.
Guys, this is a gallery thread, get a a room if you want to fight it out.
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