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Feb 07, 2011, 09:30 PM
Hot glue held together by foam
balsa or carbon's Avatar
Cool

Home made mechanical elevon mixer.


Here is a Leadfeather type PBF I made for a friend who doesn't have mixing capabilities on his transmitter , so I made a mechanical mixer. The bottom of the aileron servo is attached to a hinge , then a pushrod from the elevator servo is attached to another hinge near the top of the aileron servo. then the elevator servo can move the top of the aileron servo back and forth. Seems to work well!
Home made mechanical elevon mixer (0 min 26 sec)
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Feb 07, 2011, 10:13 PM
*crunch*
forevercat's Avatar
wow! i never thought it could be set up that way.
good idea
Feb 07, 2011, 10:36 PM
Hot glue held together by foam
balsa or carbon's Avatar
Quote:
Originally Posted by forevercat View Post
wow! i never thought it could be set up that way.
good idea
Got the idea from browsing RC Groups! There is so much great information ( and inspiration ) available here!
Feb 08, 2011, 04:57 AM
Registered User
SA/RCFlyer's Avatar
Can you draw a plan and post it?
Feb 08, 2011, 10:08 AM
Registered User
Del-Dredd's Avatar
Used to do things like that all the time years ago before the advent of Computer radios, it was the only way.

You even used to get premade variations using sliding trays etc or chunky bits of electronics (still got electronic one somewhere, probably with some old junk).

The best I saw was small cicular piece that attached on top of the aileron servo arm, this had a hinged piece on top which had a ball joint at each end for the aileron rods and a ball joint in the center that the elevator servo rod attached to.
Nice and compact and worked very well.
Last edited by Del-Dredd; Feb 08, 2011 at 10:42 AM.
Feb 08, 2011, 01:22 PM
Registered User
http://shop.dubro.com/products/produ...=215/101.0.1.1

Take a look at this Dubro unit and it will give you some ideas...or you could by this one.
Feb 08, 2011, 01:32 PM
Hot glue held together by foam
balsa or carbon's Avatar

Mechanical elevon mixer plans


Quote:
Originally Posted by SA/RCFlyer View Post
Can you draw a plan and post it?
Here are the ( hand drawn ) plans you asked for, along with some close-up photos. Hope it helps!
Feb 08, 2011, 01:43 PM
Hot glue held together by foam
balsa or carbon's Avatar
Quote:
Originally Posted by poweredlawndart View Post
http://shop.dubro.com/products/produ...=215/101.0.1.1

Take a look at this Dubro unit and it will give you some ideas...or you could by this one.
I saw that Dubro unit, but it's more fun to do it yourself! And I made this one with stuff I already had laying around.
Feb 13, 2011, 01:17 AM
Hot glue held together by foam
balsa or carbon's Avatar

video


here is my friend flying the PbF with the mechanical mixer. He's never before flown a plane capable of rolls or unlimited vertical, so he's really going for it!
Crazy Flying RC II (2 min 4 sec)
Last edited by balsa or carbon; Feb 13, 2011 at 01:26 PM.
Feb 13, 2011, 02:12 AM
Storm Runner guy
Slider2732's Avatar
Very neat and tidy. I have a V-tailed Cub that may well use your system there
Been wondering how to do such a thing with as few links and pieces as possible.
Feb 13, 2011, 03:10 AM
Registered User
Interesting... The tilting servo was used to mix the collective in the old Xcell helicopter line (Circa 1990s), long before ccpm. 'Looks like it works well for you too. :-)


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