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All Forums >> RC Airplanes >> ARF or RTF >> NitroModels Support >> RE: Welcome NitroModels
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RE: Welcome NitroModels - 6/14/2007 4:59:29 PM   
davidsai


 

Posts: 179
Joined: 9/21/2003
From: san andres islandsan andres, COLOMBIA
Status: offline 		Hi there how afe you guys,

I bought a t-34n from you and have tried and fly it twicw with bad consequencers after taking off, it seems that the cg on the instruccions is not right it says 122 mm fromn leading edge of wing

i am now r4econstructing for the 3rd time and would lilke to know if nitroplanes or anyone know where the cg is on thsi plane, last time i had to use 4 oz on the nose and still as soon as i took off up to about 200 ft altitude it jus was so quirky and finicky i couold not bring it back. i have 8 planes and all of then fly great. this has been my first troublesome plane

helppppppp

i have it with a 46 fx os engine and a 11 x 7.5 prop

regards
david

(in reply to nitrostaff1)
       Post #: 51

RE: Welcome NitroModels - 6/14/2007 9:37:09 PM   
opjose



Posts: 5325
Joined: 11/26/2005
From: Poolesville, MD, USA
Status: offline 		Did you measure at the wing root or wing tip?



_____________________________

-
Build em'', fly em'', crash em'' and build more.

(in reply to davidsai)
       Post #: 52

RE: Welcome NitroModels - 6/14/2007 11:11:29 PM   
davidsai


 

Posts: 179
Joined: 9/21/2003
From: san andres islandsan andres, COLOMBIA
Status: offline 		at close to wing root like i do al my other planes, and nevber have had any trouble even thoug i allways do it so thast they are a bit heavier towards the nose better nose havey than tail heavy


(in reply to opjose)
       Post #: 53

RE: Welcome NitroModels - 6/15/2007 4:27:50 PM   
opjose



Posts: 5325
Joined: 11/26/2005
From: Poolesville, MD, USA
Status: offline 		As you hold the plane from below find where along the wing root it balances.

On the T-34 this must occur in the forward 1/5th of the wing.

At worst you can use one of the on-line C.G. calculators...

When I have an "unknown" aircraft I make sure that it's a bit nose heavy by using the 1/5th measure, fly it, then test how close I am by observing behaviour in turns.

If the plane tends to nose down in a 20-30 degree turn then the C.G. can stand being moved further back.

However if the plane becomes to "quirky" with further C.G. movement backward I'll bring it forward again ( or add more Expo if trying to obtain a high response rate... ).

If the nose tries to come UP in a turn I'm know I have the C.G. set way too far forward.





_____________________________

-
Build em'', fly em'', crash em'' and build more.

(in reply to davidsai)
       Post #: 54

RE: Welcome NitroModels - 6/15/2007 5:13:12 PM   
davidsai


 

Posts: 179
Joined: 9/21/2003
From: san andres islandsan andres, COLOMBIA
Status: offline 		hi , I used an online formula for the cg and it came according to wing measurementas to 5.46 cm from the leading edge thats about 1/5 you mention. i have put 11 oz on the nose and still needs more to balance at that point so i will put as much as i need to balance at that point fly it look for response and either take off or put mre as neede
will see
regards
david

i have uploaded some videos at rcuvideos.com from some of my planes and my web site is www.cybul.com

http://www.rcuvideos.com/user/X11C8PL1FM9RP4VR/videos

regards

(in reply to opjose)
       Post #: 55

RE: Welcome NitroModels - 6/26/2007 6:43:22 AM   
jktenor


 

Posts: 9
Joined: 4/15/2007
From: , CA, USA
Status: offline 		Hi,
I have inherited an edge fury 540t 50 and it has a bent wing tube and a missing carbon fiber rod that acts as a second mini wing tube.

I was wondering if you could get me the replacement parts for these.

I really appreciate your help. When I finaly get it in the air I will be more than happy to review how it flies.

(in reply to opjose)
       Post #: 56

RE: Welcome NitroModels - 6/27/2007 11:10:49 PM   
rcflyer1960


 

Posts: 79
Joined: 8/28/2006
From: Murrieta, CA, USA
Status: offline 		When are you guys going to re-stock?????

For weeks I've been looking to make a purchase and most of your planes state that they are "SOLD OUT"

Thanks

(in reply to nitrostaff1)
       Post #: 57

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All Forums >> RC Airplanes >> ARF or RTF >> NitroModels Support >> RE: Welcome NitroModels
Page: <<   < prev  1 2 [3]





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