When they say Gordy is all thumbs they are right!!!
Gordy has just pointed out why you should not fly with your thumbs only!!!

Try grabbing a hold of the sticks like you are suppose to.... With your
thumb and your index and middle fingers if you want to have more precise
control over your stick movements.



----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, November 11, 2002 4:34 PM
Subject: [RCSE] Digital 'thumb' servos


Gordy,

What's your source for this? I would be interested
in reading this study. I imagine the researchers,
like myself, were/became interested in the
compensatory mechanisms for people over forty who
perform critical tasks like surgery, etc.

Funny you mentioned that!  I was just watching PBS where an old Doc did
neural surgery with his thumbs! :-)

Do this test, as in like when we fly our sailplanes... a  test I have done
almost everywhere I have stopped on the road flying.

Without looking try to move your thumb, less than an 1/8".. have someone
watch your thumb while you do it.

Then try to do it while watching and concentrating on moving your thumb less
than 1/8".

While its 'possible' in reality it isn't even close to probable while we are
flying.

Certainly someone can do it, and nearly the same place on purpose twice, but
most of us have hung from too many branches, hit our selves with too many
hammers, pulled on too many wrenches... by the time we are 40+....
And in the end when it comes to controlling model sailplanes, it doesn't
make
a difference.

1/8" is not much, but in that 1/8" there are a few hundred potential servo
movement section positions.

Of course when you do the test  you will try to move your thumb side to
side,
but try doing the elevator movement where you get to employ more than one
joint :-)

Frankly if 1/8" movement were enough to matter we wouldn't have sticks at
all, just trim tabs :-)

Thanks for the comment, and hope your doctor uses more than his thumbs!

I'll be thumbing it in Nashville this week with that amazing little plane
called the MOTH!  Ever tried one?  There was an excellent review in RCSD
magazine a few issues back by a cool guy in TN.  For a foamy wing, its
amazing how well it DS's and thermals too.

A 60" version would be great since after 40 we can't see anything under 59"
:-)
Gordy


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