add section about part placement

[challenge-bot] / guide / challenge-bot-questions.org

diff --git a/guide/challenge-bot-questions.org b/guide/challenge-bot-questions.org
index 4246fe3acc435449a6ba615c202a891cbe17be13..9c0434c6de5d56a13ef26572d49a3f2a2ce815c0 100644 (file)
--- a/guide/challenge-bot-questions.org
+++ b/guide/challenge-bot-questions.org
@@ -5,6 +5,7 @@
     you used a drill and drill bit to make holes for bolts to go
     through.
     we drilled through the arduino into the deck.
+**** drilling
     1. what would happen if you used a larger drill bit than the one
        you used for drilling holes for the arduino?
     2. why did we use a drill bit that was wider than the body of the
@@ -17,25 +18,37 @@
     5. how does the drill hold onto the drill bit?
     6. what would happen if the drill bit teeth were not flat on the
        drill bit?
-    7. name some reasons for the arduinos placement on the deck.
+    7. how can you break the drill bit when drilling?
+    8. should we drill at full speed?
+       why or why not?
+**** bolts
+    1. the bolts used to attach the arduino are 6-32 bolts.
+       the bolts used to attach the motor to the motor mount are
+       4-40 bolts.
+       Are the 4-40 bolts fatter or thinner than the 6-32?
+    2. if you see a bolt described as =4-40x1.25=" how long is it?
+    3. on a =4-40= bolt, how many times does the thread wrap around
+       one inch of the body?
+       4 times?
+       40 times?
+       1. how many times does the thread of a =4-40= bolt wrap around
+          two inches of the body?
+          8 times?
+          40 times?
+          80 times?
+    4. what part of the screw does the screw driver go into?
+**** part placement
+    1. name some reasons for the arduinos placement on the deck.
        1. could it have been placed diagonally?  why or why not?
        2. could it have been placed in any other location? why or why not?
        3. could it be upside-down?  why or why not?
-    8. should we drill at full speed?
-       why or why not?
-    9. how can you break the drill bit when drilling?
-    10. the bolts used to attach the arduino are 6-32 bolts.
-        the bolts used to attach the motor to the motor mount are
-        4-40 bolts.
-        Are the 4-40 bolts fatter or thinner than the 6-32?
-    11. if you see a bolt described as =4-40x1.25=" how long is it?
-    12. on a =4-40= bolt, how many times does the thread wrap around
-        one inch of the body?
-        4 times?
-        40 times?
-        1. how many times does the thread of a =4-40= bolt wrap around
-           two inches of the body?
-           8 times?
-           40 times?
-           80 times?
-    13. what part of the screw does the screw driver go into?
+    2. why are the motors between the wheels?
+    3. why are the motors pointed towards the caster in the back?
+    4. why are the battery packs between the wheels and caster
+       (roughly)?
+    5. where is the breadboard?
+    6. where is the caster?
+    7. why is the caster in the middle of the back, instead of on the
+       left or right?
+    8. should the black chip (motor controller) be on the left or the right
+    9. why should the chip be on the right?