Servo questions

[Ed Alt]

Dave:
32 oz-in sounds very light for ailerons.  I wouldn't do anything less than 
60 oz-in and you might as well just get something in the 80 - 90 oz-in 
range, like 4131's, 8231's etc.  The easiest way to tell if you don't have 
enough grunt for your aileron servos is if the model rolls slower when you 
fly faster, i.e., the ailerons are blowing back.

Everything else sounded OK.
Ed

----- Original Message ----- 
From: "David Gundling" <DGundling at compuserve.com>
To: "NSRCA Discussion" <discussion at nsrca.org>
Sent: Sunday, November 21, 2004 8:56 PM
Subject: Servo questions


Benn playing around trying to figure out servo strength requirements.

Using 90 size ships as a basis, does 32 in oz for each aileron servo,
70 in oz for a single elevator servo set up, and 120 in oz for rudder sound
about right?
These are to be viewed as minimum strength requirtements.

When flying a plane, what is a symptom of servo blow back when the servo
isn't
strong enough for the surface it is trying to move under flight conditions?

Thanks.

Dave


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