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Old Nov 25, 2012, 11:01 AM
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Quote:
Originally Posted by rayonnair View Post
I'm not sure how your futaba radio is set up, but on the DX6i which is a 6 channel radio with only 2 position switches I set up a mix that did something like the following:

Code:
SW1:      OFF OFF ON
SW2:      OFF ON  ON
POSITION: 1   2    3
Thank you for the tip! I'm running an older Futaba 6XA and wound up running the wings off of the CH6 "trainer" switch/knob. I set the ATV b/t full open and full close and then use the dial to open anywhere inbetween. It works out really nice and allows for an "infinite" number of settings

Wing Sweep (0 min 25 sec)


Now how easy it will be to twist knob while in the air has yet to be seen. All I have left is to install rudders (which seem like the weakest point on this plane; I may try to re-engineer something) and attach the elevators and motor.
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Old Nov 25, 2012, 11:12 AM
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Originally Posted by Poporbit View Post
tripn4days Strip off the paper from the foam and cover the foam with clear packing tape. This is stronger, lighter and more durable than the paper.
Sounds like a lot of work... Doesnt the foam get get warped? I would have a hard time applying even pressure across the 100+ strips of packing tape.
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Old Nov 25, 2012, 11:32 AM
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Joined Dec 2005
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I tried Knobs on my older Polks Trakker III synth tx. ( 72Mhz )
it was difficult to locate and manipulate so I ended up using 3 posn switch.

Alternately, My new Futaba 8FG Super has a slider under each side of the tx.

So, 8FG owners should be able to make Wing Swing setup with infinite possibilities.

Best

Bob
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Old Nov 25, 2012, 11:49 AM
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United States, IN, Indianapolis
Joined Dec 2005
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Anyone looking for the Build Manual can f9ind it at

http://www.rcgroups.com/forums/showp...&postcount=510

Thanks again Walt Haden for putting it together for the group.

Best,

Bob
Hoosier Cutout Service
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Old Nov 25, 2012, 12:51 PM
full throttle flyer
Joined Nov 2012
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Quote:
Originally Posted by birdofplay View Post
Cant remember right off but I did a search using 125% and came up with these

http://www.rcgroups.com/forums/showp...postcount=2865

http://www.rcgroups.com/forums/showp...postcount=1178

I never finished my 125% although I see several other have had success.

Best

Bob
Hoosier Cutout Service
got it thanks for the link 58inch wingspan . thats a decent size
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Old Nov 25, 2012, 02:38 PM
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Wow great build manual! Unfortunately I didnt see it prior to building, but managed to print off pretty much all the same pictures
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Old Nov 25, 2012, 05:45 PM
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Singapore, Singapore
Joined Jun 2012
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Quote:
Originally Posted by tripn4days View Post
Thank you for the tip! I'm running an older Futaba 6XA and wound up running the wings off of the CH6 "trainer" switch/knob. I set the ATV b/t full open and full close and then use the dial to open anywhere inbetween. It works out really nice and allows for an "infinite" number of settings

http://youtu.be/NMe617h_aHw

Now how easy it will be to twist knob while in the air has yet to be seen. All I have left is to install rudders (which seem like the weakest point on this plane; I may try to re-engineer something) and attach the elevators and motor.
Rudders are tricky. My mod worked but not too well due to massive coupling. For normal flying they are unnecessary... I just wanted to do knife edges and spins!
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Old Nov 25, 2012, 06:53 PM
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United States, IN, Indianapolis
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Knife edges should be doable with all that Rudder and Fin area !

about a month ago I saw some guys at a local club with those
little foamy flying wings and was very surprised at how tightly they could get their
plans to spin INVERTED !

That's be a nice rick for the swing wing to be able to do.

Bob
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Old Nov 25, 2012, 07:19 PM
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Quote:
Originally Posted by birdofplay View Post
I tried Knobs on my older Polks Trakker III synth tx. ( 72Mhz )
it was difficult to locate and manipulate so I ended up using 3 posn switch.
Yeah after tinkering a bit, I also programmed the landing gear switch. I figure I switch it at the field if the knob is too cumbersome
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Old Nov 26, 2012, 12:47 PM
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United States, MI, Sodus Township
Joined Aug 2004
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Quote:
Originally Posted by birdofplay View Post
the 939mg is supposed to be good for 5.5 lbs of torque - AKA 2.5 Kgm

If the model not built slippery enough to accommodate that much force
then there is a problem.
Oh it is slippery. I have coated the wings and fuse with packing tape, an also cut out a couple of "bushing plates" from clear plastic sheet protectors that will go between the wings and the fuse. Then I will dust everything with graphite before final assembly of the top plate.


Quote:
Originally Posted by birdofplay View Post
Sheeez , coming up from old mainframe type of computers then Unix workstations
then PC came of age and now everybody is a computer expert.

So I get a CNC machine 15 yrs ago and AND ONCE AGAIN, seems like everyone has access to one now.lately...

I am an IT engineer, but have an extensive background in mechanical engineering as well as manufacturing and machining. My son is taking an advanced course at the local college where they have a fabrication laboratory with both a ShopBot and a laser cutter. Believe me, I would love to have my own CNC table in my garage. Maybe someday.

Bird, we are not that far apart. I live in southwest Michigan, about 4 hours from you. Maybe when I am heading your way, I will drop you a line and we can meet.

Brian
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Old Nov 26, 2012, 04:20 PM
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United States, IN, Indianapolis
Joined Dec 2005
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I grew up in Greenville Mich,
used to Live near Niles and have flown Full sized Gliders
near Gregory Mich at Sand Hill Soaring ! ( The Blanik )

C U L8r

Bob
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Old Nov 26, 2012, 07:46 PM
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United States, MI, Sodus Township
Joined Aug 2004
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I live in Sodus, which is a small farming town just outside Benton Harbor, about 20 minutes from Niles. The fabrication class that my son is taking is at the Lake Michigan College campus in Niles. Small world, huh?
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Old Nov 27, 2012, 08:05 AM
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United States, IN, Indianapolis
Joined Dec 2005
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Sodus ! been there done that :-)

Used to Leave EKM in my PA-28 and go do T&Gs at area airports like,
Niles, Berrien Springs, Cold water et al

Seems like I remember the BH RC club did Glider contests.

Also flown RC Gliders at the Dunes.

L8r

Bob
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Old Nov 27, 2012, 01:30 PM
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United States, MI, Sodus Township
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I just about grew up at the Berrien Springs Airpark (C20). My dad owned a Navion that we kept hangared there, and later in life he and I build a Rutan Vari-Eze that we also kept there. I did some of my flight training at C20 as well. Many fond memories of that place. I only live about 10 minutes from there.
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Old Nov 27, 2012, 04:31 PM
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Germany, HE, Oberursel
Joined Nov 2012
5 Posts
So,
I build my very first plane and decided to choose this one. Maybe not the easiest but I liked the design so much !!
Because depron is so expenive here (5 per sheet) i build it out of cheaper material which has a profile I also modified the design a little since the foam is just 4-5mm thick. I use some wood for the stability.

So this is a video of my second try, its kind of the maiden flight since the first try was a bit ... destructive.
The reason why it was not flying properly was that I made a small mistake in the firmware.

Firmware?
I use this foamy to integrate some microcontrolling stuff. Like v-mix, auto-stabilsation, a flycam which is stabilized by a servo , some lights, also a GPS module is here but Im afraid that it will be to heavy.

Also this is the first plane I ever build and the first time i controlled one, for that Im satisfied.

Talked enough, here is the video!
Foamy Test2 v1.0 (1 min 33 sec)


and some pictures:
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Last edited by Borstenhorst; Nov 27, 2012 at 05:25 PM.
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