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Old Jan 04, 2011, 06:47 PM
The Hog Pen is offline
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Tonight after the little man is in bed...I shall unveil the "Big-Pop-Bipe".

Not only did I convert the Champ to a biplane (with the help of BigPop's "old" wings), it actually flies...and not too bad once ya' build up a little airspeed.
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Old Jan 04, 2011, 08:00 PM
jlcamp7 is offline
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Originally Posted by The Hog Pen View Post
Tonight after the little man is in bed...I shall unveil the "Big-Pop-Bipe".

Not only did I convert the Champ to a biplane (with the help of BigPop's "old" wings), it actually flies...and not too bad once ya' build up a little airspeed.
Will be patiently waiting. I'm sure it'll be awesome!
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Old Jan 04, 2011, 08:05 PM
The Hog Pen is offline
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The "big-pop-bipe"


Here it is...simple enough; took about 30 minutes - a couple of pins for each wing, some tape, and some support for the wings:



Completed:




And...a really crappy pic of it flying...I was trying to track it with my phone in one hand, and fly with the other...but...IT FLIES!!!

Old Jan 04, 2011, 08:49 PM
Glacier Girl is offline
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Hog Pen, maybe it's the 3rd picture, but it looks like the bottom wing doesn't match the AOA of the top one. If so you are flying on the top wing still, the bottom one is just going along for the ride, and causing drag. On my bigger bipes it's usually 1 to 3 degrees max difference, top higher AOA then the bottom. Get it right and the Champ should just about be able to crawl through the air with all the additional lift.

Cool idea though, looks good, a neat concept.

Low wing version next? Hmmm.
Old Jan 04, 2011, 08:59 PM
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Mark, no problem, that why we are all here. To share ideas and things we found to work.

Next up for me is full Nav lamps. Already working with micro sized LED's, make the 3mm ones look like search lamps in size. Alternating flashing double wing tips, beacon, and strobes for it. Should end up at only a couple of grams total for the whole system.

Tough part is the soldering for me. Crappy eye sight. I use a double magnifier system for micro work, makes the pencil tip solder pen look like I'm using a telephone pole. LOL!
Old Jan 04, 2011, 09:02 PM
canadianufo is offline
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Just gotta mod. it
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Did the bipechamp last year...lol works well..enjoy it. great for indoor.
Old Jan 04, 2011, 09:24 PM
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The angle of the wings is almost spot-on...should the bottom wing be a bit more horizontal? or that the leading edge of the wings should line up vertically? Also...in flight...it required A LOT of rudder input to actually turn...I'll move it in a hole or two and see if that helps.

Oh...and yes...I am considering a low wing version as well...even thought about a gullwing...kind of a Champ/Corsair...lol

In fact...I've been toying with the idea of making this Champ a convertible between high/low wing, and bipe.

Hang on...GG...you're talking about the actual angle of the aerofoil itself being a bit nose-down on the bottom wing? I think you may be right...although it climbs out very well...but that could be the Stang motor.
Last edited by The Hog Pen; Jan 04, 2011 at 09:39 PM.
Old Jan 05, 2011, 12:18 AM
big_poppa4904 is offline
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Build, Fly, Crash, repeat
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Pretty sweet Hog Pen, glad you put my old wings to use. Sorry about the black marker markings, lol, I was "testing" different sharpie's on the old wing b/c I wanted to color in on my new wing where the "ailerons" are. Just making sure the ink didn't have a effect on foam.

Glad they worked for ya. And so what is they, go along for the ride, it sure made it look cool.
Old Jan 05, 2011, 01:27 AM
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Hi guys, got my DX6i and did the bind to my Champ and all works well, are there any tips regarding settings that I should try???
Regards
Old Jan 05, 2011, 06:59 AM
MarksRC is offline
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Originally Posted by asboss View Post
Hi guys, got my DX6i and did the bind to my Champ and all works well, are there any tips regarding settings that I should try???
Regards
asboss,
Congrats on your new DX6i, you're gonna love it.
I used mix1 to add some down elevator when throttle is increased (approx. 30%). This will help stop the ballooning effect.
My setup also includes some expo to soften the center of the rudder/elevator stick plus dual rates added for more scale flight.
Old Jan 05, 2011, 07:23 AM
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asboss,
Congrats on your new DX6i, you're gonna love it.
I used mix1 to add some down elevator when throttle is increased (approx. 30%). This will help stop the ballooning effect.
My setup also includes some expo to soften the center of the rudder/elevator stick plus dual rates added for more scale flight.
Thanks for your reply, can you explain how to add the mix ,expo and dual rates?? Being a DX6I newb.
Regards
Old Jan 05, 2011, 08:38 AM
UNGN is offline
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Originally Posted by asboss View Post
Thanks for your reply, can you explain how to add the mix ,expo and dual rates?? Being a DX6I newb.
Regards
A better sollution to ballooning with the champ is a heavier battery all the way forward.

The Champ shouldn't need a Throttle elevator mix with a 180 battery. You get longer flight times and smoother flights.

A Throttle > elevator mix can be a little scary on takeoff for a beginner, especially if you hand launch.

The rates and Expo aren't required at all with the Champ, unless you move the control rods in on the control horns for more control surface throw. Just using a better radio makes flying smoother and more scale.
Old Jan 05, 2011, 09:34 AM
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Originally Posted by UNGN View Post
A better sollution to ballooning with the champ is a heavier battery all the way forward.

The Champ shouldn't need a Throttle elevator mix with a 180 battery. You get longer flight times and smoother flights.

A Throttle > elevator mix can be a little scary on takeoff for a beginner, especially if you hand launch.

The rates and Expo aren't required at all with the Champ, unless you move the control rods in on the control horns for more control surface throw. Just using a better radio makes flying smoother and more scale.
Cheers UNGN, was getting a bit confused. as soon as the wind dies I will be out, one tip I got from youtube was to add 15% of up elevator on the flaps switch, so when I hand launch it give an up glide then flick the switch back to fly normal trim plane.
Old Jan 05, 2011, 10:18 AM
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Hey guys,

well I got the mods in for the Apprentice and the Champ. I worked on the Champ tonight. Here are the mods:

Tiny Brite Lights (Sub Micro Set)
Parkzone P51 motor and gearbox (I preoiled her and let the motor run for around a minute or so)
GWS 5043 Prop
1.23" Du-Bro wheels
Hyperion 320mAh 25C 1S Lipo

Performance picked up quite a bit. I went outside (Night time). It was very cool to fly her at night with the Navigation lights.

All in all I like the Mods thus far.

Here is a short video with some cheesy background music to show the lights...
Hobbyzone Champ Navigation Lights (1 min 10 sec)



Anyway, just wanted to share.
Old Jan 05, 2011, 11:00 AM
The Hog Pen is offline
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All this talk about TX settings, expo, mixing, rates, etc...we're still talking about the CHAMP...right?

I mean...it's all good...but aren't we putting on a tuxedo to go to Taco Bell here? Isn't this like asking Albert Pujols to pinch hit at a little league game?


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