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All Forums >> RC Airplanes >> ARF or RTF >> RE: Black Horse AT6 Texan
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RE: Black Horse AT6 Texan - 7/28/2010 6:37 PM   
messerschmidtman


 

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From: horsham, UNITED KINGDOM
Status: offline 		I was present at our field to witness rays first flight  (attempt) with the new AT6.
 
the aircraft left the ground after a long takeoff run but the left wing didnt!!   scary!!

ray throttled back & the plane veared into the grass, damaging only one leg.

My only comment on the airframe is that for an aircraft with a high aspect ratio wing like that, there is absolutely NO washout!!!

shame, because its a nice looking aircraft

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RE: Black Horse AT6 Texan - 7/28/2010 6:50 PM   
Kostas1



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From: AthensAthens, GREECE
Status: offline 		Guys do you have enough airspeed ?

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RE: Black Horse AT6 Texan - 7/29/2010 11:06 PM   
Pennbrit



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From: Crawley, UNITED KINGDOM
Status: offline 		I have just put a short video of the very short test flight last weekend. Only got a broken undercarriage so not to bad. I will try again this weekend. A few mods to do first.

http://www.youtube.com/user/Modelflyer2#p/a/u/0/_5oBc1l7nBw


Ray.

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RE: Black Horse AT6 Texan - 7/30/2010 2:08 AM   
bingo field



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From: Mt. Morris, NY, USA
Status: online 		Let us know how you do with it when you get the lateral balance done. You may want to try a Vanessa Rig, it will show you a lot, and it is very inexpensive to build. There are plans available on RCU to show how to put one together. Since you know where to add how much weight now, it probably won't be of much help just this minute. Good Luck!

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RE: Black Horse AT6 Texan - 7/30/2010 3:19 AM   
Texastbird


 

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Status: offline 		Less than one ounce of lateral balance isn't going to make a whole lot of difference, it appeared to not have reached flying speed. You gotta get that thing flying on the wing before you horse it off the ground. Get a more experienced test pilot.

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RE: Black Horse AT6 Texan - 7/30/2010 9:38 AM   
Kostas1



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Status: offline 		Ray

it the vid you say that it was 'big big mistake' to buy it .....

I really don't agree !

What makes you feel this way ?

The general design and parts supply of the airframe was good..

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RE: Black Horse AT6 Texan - 7/30/2010 7:21 PM   
Pennbrit



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quote:

ORIGINAL: Texastbird

Less than one ounce of lateral balance isn't going to make a whole lot of difference, it appeared to not have reached flying speed. You gotta get that thing flying on the wing before you horse it off the ground. Get a more experienced test pilot.


What can I say. There is always one.


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RE: Black Horse AT6 Texan - 7/30/2010 7:29 PM   
Pennbrit



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quote:

ORIGINAL: Kostas1

Ray

it the vid you say that it was 'big big mistake' to buy it .....

I really don't agree !

What makes you feel this way ?

The general design and parts supply of the airframe was good..

 No no no, dont get me wronge. I do think it is a well build model and good value for the money.
But after the hastle I had with the first one and the fact that the instructions are so misleading on the C of G I really should have got something different.
Dont forget that I have paid out twice for this plane and so when I took great care to get it all right (or so I thought) it does that on me on take off.
If the undercarriage had not broke I would have tried again on that day.
I am just frustrated at this plane. In the video it was just me venting really.
I know what I did wronge and I know what I should have done.
So this weekend I will get it right and there will be a video of it flying like a warbird.
We hope.


Ray.

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RE: Black Horse AT6 Texan - 7/30/2010 7:50 PM   
CCFPILOT


 

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Wishing you happy flying this weekend.  I've been there.

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RE: Black Horse AT6 Texan - 7/30/2010 8:17 PM   
Texastbird


 

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Status: offline 		I'm sorry, but after watching your vid several times, I stand by my asessment that the plane was not ready to fly yet, and also you have to use the rudder to get a T6 off the ground sucessfully. The best of luck on your next attempt.

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RE: Black Horse AT6 Texan - 7/30/2010 8:54 PM   
Kostas1



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Status: offline 		Yes Ray !

Best of luck !!!

Keep us posted !

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RE: Black Horse AT6 Texan - 10/10/2012 9:25 PM   
Phat Reliant



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From: Sherman Oaks, CA, USA
Status: offline 		Wake up call for this thread

I have a question regarding the point at which you measure the 77mm back from, is it at the wheel well shoulders (B) or the leading edge of the mid wing section (A)?

To be honest I am pretty confused as this will still need a large amount of weight added.

Many Thanks, John.

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RE: Black Horse AT6 Texan - 10/10/2012 9:27 PM   
Phat Reliant



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Status: offline 		Image of what I am requesting help with. (eliminated front end for clarity)

John.

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RE: Black Horse AT6 Texan - 10/10/2012 9:47 PM   
opjose



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From: Poolesville, MD, USA
Status: offline 		If you go by the manual, then the answer is neither.

You meaure in 510mm from the tip of the wing and at the point the LE intersects the 510mm measurement, you go back 77mm.

If this corresponds to the picture, I'd move it forward another 15mm or so for your first flight and see how it behaves.



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RE: Black Horse AT6 Texan - 10/10/2012 10:17 PM   
Pennbrit



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quote:

ORIGINAL: Phat Reliant

Image of what I am requesting help with. (eliminated front end for clarity)

John.


Ok. Ignore that picture. The CoG is 77mm back from the leading edge of the wing centre section.
I had 2 of these as you have seen from this thread, I found the instructions on the CoG very misleading.
On the first one I put the CoG where it shows on that picture. It just fell out of the sky.
77mm back from the leading edge is right.
One thing you must check before you fly it is the wing dowel. It's not glued in. It's tight but not glued in.
Be warned. Pull the dowel out and put some glue on it.
That wing dowel cost me the second Texan on it's second flight.

Ray.



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RE: Black Horse AT6 Texan - 10/10/2012 10:35 PM   
Phat Reliant



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From: Sherman Oaks, CA, USA
Status: offline 		Thanks Ray, I was not happy with the manual either.

As for the wing dowel, I did re-glue the existing and have added an additional. (It was not very well attached)

Now will get the CG done and pour on the lead

Sorry that you lost 2 of these, again thanks for the information.

John.

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RE: Black Horse AT6 Texan - 10/12/2012 6:59 PM   
Pennbrit



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From: Crawley, UNITED KINGDOM
Status: offline 		This is how I added lead. I made a bracket and fitted to the engine mount.

Ray 

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RE: Black Horse AT6 Texan - 10/12/2012 8:22 PM   
Phat Reliant



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From: Sherman Oaks, CA, USA
Status: offline 		That was nicely done!

I'll have to try something very similar, as you mentioned in your earlier post's it does lower the amount of lead to get the job done.

Thanks again matey, John.

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