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Old Oct 02, 2007, 10:25 AM
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Control Surface Differential

Control Surface Differential

Control surface attuned...
Computer radios make this a cinch.

Life is a little more complex for some of us with BC radios (before computer).

Never could find my trig-table let alone remember how to use it. An analog computer is much less complex, no math mistakes to deal with, more fun to build and play with than a book of tables.

Pic-1
Top, the perfect set up, output is equal to input
Middle, several options
Bottom, mine usually lQQk like this

Pic-2
Scrap foam, stickpins for pivots and protractor required to build analog computer
I suggest keep linear measuring units the same (such as inches red tic marks), wheels seperated 10 inches

Pic-3
Pointer on right is output >and< side view of control surface
Output Equals Input

-4 es –5 output result for an initial input set to 45
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Last edited by Gramps:>); Oct 02, 2007 at 11:35 AM.
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