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Old Oct 28, 2012, 11:06 PM
Ron_RC is offline
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Ron_RC
Hi all, here is my scratch built, collapsible, T frame tricopter (T-tricopter). I used 2 - 24" towel bars, calculated the distance the rear rotor would need to be in order to make a perfect triangle and cut it to length. Also used some light weight aluminum L bar to lock the arms in place and 1/8" by 5/8" aluminum bar stock to make landing gear. This thing flies like a dream and is very compact when collapsed. Let me know what you think.

Scratch built T-tricopter, i86 board, in The Dark Flight (3 min 35 sec)


Turnigy Photo Competition T-tricopter (1 min 33 sec)
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Old Oct 28, 2012, 11:26 PM
sirbow2 is offline
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Emress
the 3rd motor + servo is rudder and holds up the back of the tri
Old Oct 29, 2012, 02:46 AM
snipeworm is offline
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Snipe the Skies!
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Nice job Ron... Very stable and compact.
Old Oct 29, 2012, 02:51 AM
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Here is my H copter. I have flown it a few times but still need to do some tinkering. Holds 2 1600mah 3s lipos and a gopro but I only get about 5-6 minutes from it. Has lots of lift so I might put the timing on the esc's to low for more effeciency. I used nylon bolts as Subaru4WD suggested which worked out well since I put her in the ground hard upside down.

There is 1/4 inch lexan over the esc's which provides the rigidity and protection needed for my style of flying. Now I need to protect my precious KK2 board.
Old Oct 29, 2012, 03:24 AM
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Quote:
Originally Posted by Ron_RC View Post
Hi all, here is my scratch built, collapsible, T frame tricopter (T-tricopter).
Quote:
Originally Posted by snipeworm View Post
Here is my H copter. I have flown it a few times but still need to do some tinkering.
Well done guys. Love these T and H quad, simple and works well.

https://www.rcgroups.com/forums/show...ighlight=quadh
Old Oct 29, 2012, 04:15 AM
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So I made a wooden H at the weekend as an fpv'er, so basic, only had 6mm ply for the sandwich plank so wouldn't mind lightening that up a bit tbh, it does fly ok on a windy test in the back garden so...
Wouldn't mind some more powerful motors though, the 1175s on there are getting warm after a pack with just gentle hovering.




Ronrc,
Is there any difference in flight with the T over a trad tricopter layout? Yours looks great!!
Old Oct 29, 2012, 07:09 AM
speedactyl is offline
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Scratchbuild Aviation
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shall call it the Foamy Falcon






Old Oct 29, 2012, 01:02 PM
2400RDR is offline
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Out of helis, sanity returning
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shall call it the Foamy Falcon
When do we get to see the video?
Old Oct 29, 2012, 01:08 PM
AcroFPV is offline
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we dont NEED roads!
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Quote:
Originally Posted by snipeworm View Post
Here is my H copter. I have flown it a few times but still need to do some tinkering. Holds 2 1600mah 3s lipos and a gopro but I only get about 5-6 minutes from it. Has lots of lift so I might put the timing on the esc's to low for more effeciency. I used nylon bolts as Subaru4WD suggested which worked out well since I put her in the ground hard upside down.

There is 1/4 inch lexan over the esc's which provides the rigidity and protection needed for my style of flying. Now I need to protect my precious KK2 board.
You should mount the KK2 under the plexi like your ESC's are.

This thing flys real nice, so nice in fact that I have been thinking of building one.
Old Oct 29, 2012, 01:20 PM
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I agree. I was pondering that this morning on the way home.
Old Oct 29, 2012, 05:14 PM
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Originally Posted by sirbow2 View Post
the 3rd motor + servo is rudder and holds up the back of the tri
Not sure what you mean. The servo and 3rd motor are connected to a Y cable then plugged into the M3 port on the KK2 board?
Old Oct 29, 2012, 05:26 PM
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we dont NEED roads!
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Originally Posted by carr52 View Post
Not sure what you mean. The servo and 3rd motor are connected to a Y cable then plugged into the M3 port on the KK2 board?
The 3rd motor uses M3. The servo uses M4.
Old Oct 29, 2012, 06:08 PM
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Emress
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Originally Posted by carr52 View Post
Not sure what you mean. The servo and 3rd motor are connected to a Y cable then plugged into the M3 port on the KK2 board?
roll: the front left motor speeds up = roll right, front right motor speeds up = roll left

pitch: back motor speeds up = pushes tri forward, front two motors speed up = pushes tri back.

yaw: servo changes the angle at which the rear motor gives thrust and there for changes direction of tri. the angle/speed of this motor affects yaw and pitch.
Old Oct 29, 2012, 11:01 PM
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Alright thats what I was wondering. The servo just plugs into the M4 port on the KK2 board like it another motor. Got all the parts ordered to build my first quad but the tri copter really intrigues me. Thanks again.

Tom
Old Oct 29, 2012, 11:47 PM
Ron_RC is offline
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Quote:
Originally Posted by snipeworm View Post
Here is my H copter. I have flown it a few times but still need to do some tinkering. Holds 2 1600mah 3s lipos and a gopro but I only get about 5-6 minutes from it. Has lots of lift so I might put the timing on the esc's to low for more effeciency. I used nylon bolts as Subaru4WD suggested which worked out well since I put her in the ground hard upside down.

There is 1/4 inch lexan over the esc's which provides the rigidity and protection needed for my style of flying. Now I need to protect my precious KK2 board.
snipeworm, I'm building an Hcopter similar to yours but with the same mechanism on front and back as my T-tricopter. That way it will collapse to a nice compact size for transport to just about anywhere.


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