Difference between revisions of "FTC Hardware Tips and Techniques"

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== Goals ==
 
== Goals ==
  
Get coaches started with the FTC mechanical and electrical components.
+
* Get coaches started with the FTC mechanical and electrical components.
 +
 
 +
* Highlight potential problems and pitfalls.
  
 
== Schedule ==
 
== Schedule ==
  
* Week of September 14.
+
* 6:00 pm Wednesday September 17, 2008 at OMSI
  
 
== Prerequisites ==
 
== Prerequisites ==
 
+
These are suggested but not necessary...
 
[[FTC Getting Started with C]]
 
[[FTC Getting Started with C]]
 
or
 
or
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* Tips and tricks
 
* Tips and tricks
 +
** Hardware advantages (strong, rugged, robust, screws stay tight, etc.)
 +
** Tools to use (T-handle allen wrenches (ball end?), electric screwdriver, small phillips, nut driver...)
 +
** gripping screw heads w/ pliers
 +
** Hole pattern allows connecting at various angles (OK, 45, 90, 135, 180 deg.)
 +
** Counterweights are hard to make
 +
*** Parallelagram arms look good
 +
** Connecting Lego and Tetrix together
 +
** We needed more screws/nuts than what were provided - one size is hard to find
 +
** Use holes in pieces to reach screws (long wrenches)
 +
* Motors vs. Servos
 +
** when do you use Lego motors?
 +
** Mounting motors
 
* What can go wrong
 
* What can go wrong
* Battery management
+
** Supporting servos and motors
* Lots others
+
** Need low center of gravity
 +
** Plan for dissasembly as well as assembly
 +
* Battery management and electrical issues
 +
** Recharging batteries - get a quick charger
 +
** Watch for shorts
 +
** Use heat-shrink tubing if allowed (check this)
 +
** Careful cable routing - cables are rather stiff
 +
** Are more flexible wires available?
 +
* Differences from last year
 +
** any kind of connector (still true?)
 +
** tape, velcro, zip ties, rubber bands...
 +
* Hands On workshop - build an arm
 +
 
  
 
== Resources ==
 
== Resources ==

Latest revision as of 16:48, 11 September 2008

Owner

John DeLacy Assisted by Ian McBride

Goals

  • Get coaches started with the FTC mechanical and electrical components.
  • Highlight potential problems and pitfalls.

Schedule

  • 6:00 pm Wednesday September 17, 2008 at OMSI

Prerequisites

These are suggested but not necessary... FTC Getting Started with C or FTC Getting Started with NXT G

Outline

  • Tips and tricks
    • Hardware advantages (strong, rugged, robust, screws stay tight, etc.)
    • Tools to use (T-handle allen wrenches (ball end?), electric screwdriver, small phillips, nut driver...)
    • gripping screw heads w/ pliers
    • Hole pattern allows connecting at various angles (OK, 45, 90, 135, 180 deg.)
    • Counterweights are hard to make
      • Parallelagram arms look good
    • Connecting Lego and Tetrix together
    • We needed more screws/nuts than what were provided - one size is hard to find
    • Use holes in pieces to reach screws (long wrenches)
  • Motors vs. Servos
    • when do you use Lego motors?
    • Mounting motors
  • What can go wrong
    • Supporting servos and motors
    • Need low center of gravity
    • Plan for dissasembly as well as assembly
  • Battery management and electrical issues
    • Recharging batteries - get a quick charger
    • Watch for shorts
    • Use heat-shrink tubing if allowed (check this)
    • Careful cable routing - cables are rather stiff
    • Are more flexible wires available?
  • Differences from last year
    • any kind of connector (still true?)
    • tape, velcro, zip ties, rubber bands...
  • Hands On workshop - build an arm


Resources