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Old May 07, 2012, 07:54 PM
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New Zealand, Canterbury, Rolleston
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Quote:
Originally Posted by erkq View Post
The aileron's control doesn't reverse wen inverted. Exactly who is this "beginner flyer" we're talking about? The elevator reverses when inverted. The ailerons seem to reverse when the airplane is flying toward you, inverted or not.
True, true, my mistake there.

More of a, "If not used to the situation all will seem upside down.", one's thinking that is. And one so often seems to be flying towards oneself when trying out inverted.
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Old May 07, 2012, 09:57 PM
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Malaysia, Sabah, Kuala Penyu
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i think its more of "never done that before"
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Old May 08, 2012, 08:01 AM
So I'M meant to be in control?
Colonel Blink's Avatar
Ilkley, West Yorkshire, UK
Joined Nov 2008
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Quote:
Originally Posted by erkq View Post
The aileron's control doesn't reverse when inverted. The elevator reverses when inverted. The ailerons seem to reverse when the airplane is flying toward you, inverted or not.
...and it is that which my aged brain struggles with! What is reversed when upside down and/or coming towards you. When I get it right, I'll be a happy man!!!
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Old May 08, 2012, 10:36 AM
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Malaysia, Sabah, Kuala Penyu
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orientation

emm..
if the plane came towards you
a. left aileron = right bank/roll.....vice versa
b.ele down = nose up....vice versa
c.left rudder = right turn.....vice versa
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Old May 08, 2012, 11:29 AM
So I'M meant to be in control?
Colonel Blink's Avatar
Ilkley, West Yorkshire, UK
Joined Nov 2008
3,550 Posts
Actually....er........isn't it:

A/c travelling away, normal orientation
Up elevator – nose up (Normal)
Left aileron – left roll (Normal)
Left rudder – left turn (Normal)

A/c travelling away, inverted
Up elevator – nose down (Opposite)
Left aileron – left roll (Normal)
Left rudder – right turn (Opposite)

A/c travelling towards, normal orientation
Up elevator – nose up (Normal)
Left aileron – right roll (Opposite)
Left rudder – right turn (Opposite)

A/c travelling towards, inverted
Up elevator – nose down (Opposite)
Left aileron – right roll (Opposite)
Left rudder – left turn (Normal)

........I think!!!
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Old May 08, 2012, 01:35 PM
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United States, CA, Sebastopol
Joined Dec 2010
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Quote:
Originally Posted by Colonel Blink View Post
...and it is that which my aged brain struggles with! What is reversed when upside down and/or coming towards you. When I get it right, I'll be a happy man!!!
I find the rudder direction when inverted the most difficult to keep track of, maybe because I haven't used it much. I'm a bank and yank type flier when inverted... you know... KISS.

Just work on one at a time 'till it becomes muscle memory:

1. Coming toward you push the stick into the wing that's going down to level it out.

2. Inverted aileron is the same but down is up and up is very expensive.

3. Rudder pushes the far part the the plane the way you move the stick. Unless, of course, you're upside-down. Then it's the near part of the plane.
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Old May 11, 2012, 06:54 PM
R/C ruined me, But i have fun!
Denmark, Nordjylland, Nψrresundby
Joined Jan 2012
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Bixler Europe?

Hi i read most of this thread, and i ordered my bixler kit a week ago from the German warehouse as i didn't want to bother with customs and so on. BUT, i couldn't stop noticing that some of you say in the beginning of this thread that some who ordered it from the German warehouse still got it sent from Hong Kong. But this was nearly a year ago, so is this still happening? Or is it actually sent from Germany?
Thanks in advance!

/Martin
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Old May 13, 2012, 07:10 AM
Flyin' low & slow T-28s!
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United States, FL, Vero Beach
Joined Feb 2011
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Coupla Q's for you Bixler pros?


Why does my Bixler want to shoot straight down on launch? I really have to get on the elevator as soon as it leaves my hand. Otherwise, it wants to lawn dart.
I already have about 2-3mm of up elevator trimmed in too.

I normally run a Sky Lipo 1800mah lipo and have it moved back almost dead-under the canopy, but my Bix still needs some up-elevator mixed in or it wants to dive.
I put a HeadsUpRC Power-up 400 Zoom in it. Maybe it's thrusting it downward?

So with the battery pushed back and 2-3mm up trim, why does this plane want to nose down? (Yes, the washers are all removed).

Thanks for any help!
Mac
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Old May 13, 2012, 05:29 PM
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Quote:
Originally Posted by MaladroitFL View Post
Coupla Q's for you Bixler pros?


Why does my Bixler want to shoot straight down on launch? I really have to get on the elevator as soon as it leaves my hand. Otherwise, it wants to lawn dart.
I already have about 2-3mm of up elevator trimmed in too.

I normally run a Sky Lipo 1800mah lipo and have it moved back almost dead-under the canopy, but my Bix still needs some up-elevator mixed in or it wants to dive.
I put a HeadsUpRC Power-up 400 Zoom in it. Maybe it's thrusting it downward?

So with the battery pushed back and 2-3mm up trim, why does this plane want to nose down? (Yes, the washers are all removed).

Thanks for any help!
Mac

all high pusher motored planes like the Easy Star must be launched carefully, and typically less than full throttle, I typically launch around 3/4 throttle, also launch with +20 to 30 degrees alpha, if you are launching at zero degrees alpha with full throttle, the strong moment caused by the high thrust line relative to the CG around the pitch axis causes these types of planes to go negative alpha at launch unless you are compensating by launching with positive alpha instead of level.
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Old May 13, 2012, 07:08 PM
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Malaysia, Sabah, Kuala Penyu
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Quote:
Originally Posted by Doubletap View Post
all high pusher motored planes like the Easy Star must be launched carefully, and typically less than full throttle, I typically launch around 3/4 throttle, also launch with +20 to 30 degrees alpha, if you are launching at zero degrees alpha with full throttle, the strong moment caused by the high thrust line relative to the CG around the pitch axis causes these types of planes to go negative alpha at launch unless you are compensating by launching with positive alpha instead of level.
whats tats D-tap?....
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Old May 13, 2012, 11:46 PM
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Originally Posted by CPMBOY View Post
whats tats D-tap?....
alpha is the wing angle of attack, in other words, if you launch with the fuselage perfectly level, the wing at that moment has an angle of attack of zero degrees, It's preferable with these planes to launch with the nose a few degrees above horizontal, that way, under power, the nose will drop down to level once the model is underway with the tendency for the model to rotate nose down under power, hopefully that is clear?
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Old May 14, 2012, 03:42 AM
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New Zealand, Canterbury, Rolleston
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Quote:
Originally Posted by MaladroitFL View Post
Coupla Q's for you Bixler pros?


Why does my Bixler want to shoot straight down on launch? I really have to get on the elevator as soon as it leaves my hand. Otherwise, it wants to lawn dart.
I already have about 2-3mm of up elevator trimmed in too.

I'd ask -

How does it glide power off (at altitude)?

Power off hand-launched glide?

How much power are you applying when hand-launching?

For myself, 1/3 to 1/2 throttle, about horizontal launch and "catch" (apply a bit of up elevator) before it lands horizontal to the ground.
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Old May 14, 2012, 09:07 AM
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Denmark, kbh
Joined Jan 2012
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Quote:
Originally Posted by ParamiLL View Post
Hi i read most of this thread, and i ordered my bixler kit a week ago from the German warehouse as i didn't want to bother with customs and so on. BUT, i couldn't stop noticing that some of you say in the beginning of this thread that some who ordered it from the German warehouse still got it sent from Hong Kong. But this was nearly a year ago, so is this still happening? Or is it actually sent from Germany?
Thanks in advance!

/Martin
Martin,

It will be sent from Germany, don't worry. I've ordered several items from the German warehouse to Denmark, and they have all arrived quickly and from Germany. Check with the tracking information and you'll see.

Mike
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Old Jun 02, 2012, 04:08 PM
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The Netherlands, FL, Almere
Joined Jun 2012
2 Posts
I received my Bixler a few weeks ago, when testing the motor it turned out to be defective so I ordered a Turnigy 2210A 1650kv motor as replacement, Yeah I know, not the 2250kv everyone seems to favor around here, but then again, I did not read this thread until today .

But it turned out to work wonderful with the APC 6x5.5 prop I got at the local hobby store. It gives a nice slow cruise at 1/3rd throttle, just what I need at this stage. And it is quiet, very quiet, at 5 meters away you do not hear it anymore. A bonus given the fact that over here in the Netherlands you always seem to be able to find someone that complains about the "noise pollution" you are creating. And I can always replace it with a faster motor later on.

The glueing of the fuselage did not go exactly as I planned, I epoxied the edges and then put the two halves together and lined then out. Then I held it until it dried, just after I lined them out I noticed that the section where the wings meet was not completely alined so I adjusted that, not checking the rest of the fuselage again until it was too late and the glue had set. The nose was only slightly off but the very back where the rudder and elevator are glued in is off by 4 or 5 millimeters. The rest of the fuselage is okay so it is incredible that such a big offset can exist at such a small area.

Anyway, I managed to get the rudder and elevator on nice and straight with a bit of effort so it turned out allright. And it does not have to be the best looker, it is a trainer so it is bound to get its fair share of additional tape and glue in the coming months .

The weather was quite nice the last weeks, but unfortunately the winds where too high for a maiden, especially since I never have flown an RC plane before, but last wednesday the wind dropped in the evening so I managed to squeeze in a half hour of flying until it got too dark to see the plane against the overcast.

It took me about five to ten minutes to get the right feel for the controls and it is credit to the plane that it managed to stay in the air that first few minutes, it sure is forgiving. It flew very stable and straight with little effort, I am going to have a lot of fun with this thing.

I do think the CoG is a bit too far backwards as it tends to climb too easy at low throttle levels so I need to fix that for next time. I also had two blips on the receiver light after flight indicating that it lost connection two times so I need to better align the antenna wires (they are just loose now and curled against the receiver and satellite. Not the best orientation).

I also ordered a bunch of led strips to be able to illuminate it in the evening to extend my available flying time and, after reading this thread, a bunch of carbon rods, control horns and other stuff to improve rigidity and strength and to avoid disasters, better safe then sorry....

I have about 80 hours flying microlights and about 10 hours flying motor gliders, but I have to say, despite how easy the Bixler is to fly, it is quite different to fly something when you're not in it....

No aerobatics or warbirds for me just yet...

Oh, and I got my watt meter in yesterday and I checked the power usage, it came in at 17.5 amps at full throttle and about 2 amps at 1/3rd. That explains how I managed to do that 30 minutes on les the one charge of the 1300 milliamp 3 cell I use at the moment. I will probably be ordering a few 2200 milliamps later on.

Regards,
Danny
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Old Jun 02, 2012, 05:18 PM
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A Barrier Island in New Jersey, USA
Joined Oct 2003
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Quote:
Originally Posted by Fabberdan View Post
I received my Bixler a few weeks ago, when testing the motor it turned out to be defective so I ordered a Turnigy 2210A 1650kv motor as replacement, Yeah I know, not the 2250kv everyone seems to favor around here, but then again, I did not read this thread until today .

But it turned out to work wonderful with the APC 6x5.5 prop I got at the local hobby store. It gives a nice slow cruise at 1/3rd throttle, just what I need at this stage. And it is quiet, very quiet, at 5 meters away you do not hear it anymore. A bonus given the fact that over here in the Netherlands you always seem to be able to find someone that complains about the "noise pollution" you are creating. And I can always replace it with a faster motor later on.

The glueing of the fuselage did not go exactly as I planned, I epoxied the edges and then put the two halves together and lined then out. Then I held it until it dried, just after I lined them out I noticed that the section where the wings meet was not completely alined so I adjusted that, not checking the rest of the fuselage again until it was too late and the glue had set. The nose was only slightly off but the very back where the rudder and elevator are glued in is off by 4 or 5 millimeters. The rest of the fuselage is okay so it is incredible that such a big offset can exist at such a small area.

Anyway, I managed to get the rudder and elevator on nice and straight with a bit of effort so it turned out allright. And it does not have to be the best looker, it is a trainer so it is bound to get its fair share of additional tape and glue in the coming months .

The weather was quite nice the last weeks, but unfortunately the winds where too high for a maiden, especially since I never have flown an RC plane before, but last wednesday the wind dropped in the evening so I managed to squeeze in a half hour of flying until it got too dark to see the plane against the overcast.

It took me about five to ten minutes to get the right feel for the controls and it is credit to the plane that it managed to stay in the air that first few minutes, it sure is forgiving. It flew very stable and straight with little effort, I am going to have a lot of fun with this thing.

I do think the CoG is a bit too far backwards as it tends to climb too easy at low throttle levels so I need to fix that for next time. I also had two blips on the receiver light after flight indicating that it lost connection two times so I need to better align the antenna wires (they are just loose now and curled against the receiver and satellite. Not the best orientation).

I also ordered a bunch of led strips to be able to illuminate it in the evening to extend my available flying time and, after reading this thread, a bunch of carbon rods, control horns and other stuff to improve rigidity and strength and to avoid disasters, better safe then sorry....

I have about 80 hours flying microlights and about 10 hours flying motor gliders, but I have to say, despite how easy the Bixler is to fly, it is quite different to fly something when you're not in it....

No aerobatics or warbirds for me just yet...

Oh, and I got my watt meter in yesterday and I checked the power usage, it came in at 17.5 amps at full throttle and about 2 amps at 1/3rd. That explains how I managed to do that 30 minutes on les the one charge of the 1300 milliamp 3 cell I use at the moment. I will probably be ordering a few 2200 milliamps later on.

Regards,
Danny
Nice write-up, and congratulations on your maiden!

Aeronca
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