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Succesfull Flight of the 140" Aero Commander

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Old 09-10-2007, 08:30 AM
  #1  
didiwatt
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Default Succesfull Flight of the 140" Aero Commander

Here is a link to the video of the first two flights of the 140" Aero Commander now kitted by Giant Scale Twins. Jim at GST was a great help in making this a success.

http://www.youtube.com/watch?v=PxOtgGqZ9Zg

Paul
Old 09-10-2007, 09:18 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Paul,
Way to go!!! I have one of these partially built. This makes me all warm & fuzzy and ready to get back to work on it.
I really like your graphics. You said that you had a trim shop do it??
Old 09-10-2007, 09:27 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Great Job
Old 09-10-2007, 09:31 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Congrats, Looks like a great flier.
Old 09-10-2007, 10:29 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

I'm very excited to see that. I've been waiting on retracts since June.
Old 09-11-2007, 07:14 PM
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didiwatt
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Default RE: Succesfull Flight of the 140" Aero Commander

Mike:
Yes, we just took some pictures of it in basic yellow, put them on the computor then played with lines until we got what we wanted.

Here is a couple more good pictures of a take-off and fly-by...
Paul
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Old 09-12-2007, 03:55 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Hello do you have som pics off the rudder and the tail i am bulding 1 home bridi aero comander best regards olav rygg[sm=49_49.gif]
Old 09-12-2007, 08:52 AM
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didiwatt
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Default RE: Succesfull Flight of the 140" Aero Commander

olav:
No sorry, I don't have any closeups of the rudder and tail assembly.
Paul
Old 09-12-2007, 01:31 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Hello ok,rudder is hitting elvator wondering,have you cut the rudder 45% upp back the elvator? best regards olav
Old 09-12-2007, 03:09 PM
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Leo
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Default RE: Succesfull Flight of the 140" Aero Commander

Hei Olav, It seems like the fin of your Bridi Commander is too far back in relation to the horizontal stab.
Here´s a pic showing the tail on my 1/5-scale Shrike:
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Old 09-12-2007, 03:58 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Hey Leo:
Who makes your Aero Commander? I would like to find a smaller one to convert to electric?
Paul
Old 09-13-2007, 02:45 AM
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Leo
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Default RE: Succesfull Flight of the 140" Aero Commander


Paul,

Your Commander looks and sounds fantastic on the video. Wondering if you are using some kind of syncronizer device for the engines?

My Commander is built from Palmer Plans. Here´s a thread about a glow to electric conversion I did back in 2005
http://www.rcuniverse.com/forum/m_31...tm.htm#3255059

Actually I will to go back to IC power for the next season as I am missing the sound of the OS91 four strokes

/Leo
Old 09-13-2007, 09:12 AM
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didiwatt
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Default RE: Succesfull Flight of the 140" Aero Commander

Leo:
No, no synchronizer. I had no problem setting them within a couple hundred rpm. The plane is so complicated I did not want to add more complication. Works fine.

Thanks for the link, will check it out.

Paul
Old 09-15-2007, 12:15 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

What type engines are you using and are the fuel tank(s) centrally mounted or do you have them in the nacelles? Did you deviate or alter anything from the instructions? Sorry for the questions, but I can't wait to get started on mine. Still waiting on retracts[:@]
Old 09-17-2007, 07:11 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Warpsflyer:
I have two BME 50's with standard mufflers running Meizlik 22X10's. I use a single 40 oz B&B tank located on the CG in the fuselage. I have a "Y" fitting at the wing and the a one-way valve so the fuel will not run back to the tank. One fuel hose from the tank and then "Y" ed to both engines proved to be enough.

The only thing we did different from stock is that we had a new foam wing cut with wing tubes and a little more washout in it. Been so long can't remember who we used.

I am also thinking about starting another one. The one thing I would do different would be to locate the elevator and rudder servo's forward towards the center of the fuselage. This plane required 4lbs of weight in the nose and the manufacturer said that 2lbs was common. I will probably cut an access hole in the rear bottom of the fuselage and have heavy piano wire come off each flying surface some what like bent 90 degree wire on an airleron set-up using one servo in the center. (make sense?) Then I could make up long carbon fiber push rods.

Other than that, everything was good. I have pictures of the center section set-up and fuselage if they would help any.

Paul
Old 09-17-2007, 11:48 AM
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Leo
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Default RE: Succesfull Flight of the 140" Aero Commander


ORIGINAL: Paul Eagon

..and have heavy piano wire come off each flying surface some what like bent 90 degree wire on an airleron set-up using one servo in the center. (make sense?) Then I could make up long carbon fiber push rods.

Paul
That´s exactly what I´ve done for the elevators on my Commander. For the rudder I am using a closed loop wire system. This setup has provided slop free operation for 3 years.

BTW, Om my Commander I am having difficulties making a smooth takeoff. The plane tends to jump into the air. I noticed the same thing on your video, but maybe that was an elevator trim issue?

/Leo
Old 09-17-2007, 02:47 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Is there any where I can get a ARF or kit of this model that you built? I would love a AeroC build but can't locate one. THer was a company that I contacted a while back but they seemed to have gone out of business, sold their plans and molds but to who I don't know.

Any suggestions???

Lawrence
Old 09-18-2007, 07:33 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

This kit is available from giantscaletwins.com
Leo's 1/5th scale is also available as a kit from Palmer Plans. I have been drooling over the kit for $450
Old 09-19-2007, 09:26 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Thank you. I am in contact with him now. This is the guy that I was looking for all this time. He is the one who bought the plans from Mondire.

Thanks again.

Lawrence
Old 09-19-2007, 12:14 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Do you think that the added washout is necessary? I was thinking to use a more conventional way to build the wings also. I would prefer a tube system and balsa covered wings. You are using 2-50cc engines! I was thinking about 2-G38's, may need to rethink that. Thanks for all your info.
Old 09-20-2007, 07:59 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Warpsflyer:
The manufacturer actually recommends G-38's. I will do some research and see if I can locate who we had recut the wings and the amount of washout.......... give me a few days
Paul
Old 10-03-2007, 01:50 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Still waiting on retracts[:@] Have you had any luck finding the manufacturer of your wing cores?
Old 10-04-2007, 06:23 AM
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Default RE: Succesfull Flight of the 140" Aero Commander

Yes, sorry. flyingfoam.com We had 6 1/2 degrees of washout put in the wing like the full size. Also had them add wing tubes and used double strength carbon fiber wing tubes from PBG.
Paul
Old 12-25-2007, 05:15 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Just seen the pic of this beauty on the home page.
Wow
Old 12-25-2007, 10:52 PM
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Default RE: Succesfull Flight of the 140" Aero Commander

Agreed! I REALLY want to build one of these... I think I'd do a Bob Hoover routine after I got comfortable with it... =)

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