From: daniel watson <ozzloy@gmail.com>
Date: Sun, 23 Oct 2016 22:55:37 +0000 (-0700)
Subject: ask about drill bit
X-Git-Url: http://challenge-bot.com/repos/?p=challenge-bot;a=commitdiff_plain;h=4b16c98d50fa43f98286dce7cf2c4ee2f51e6f49

ask about drill bit
---

diff --git a/guide/challenge-bot-questions.org b/guide/challenge-bot-questions.org
index c7ce82a..ab338e6 100644
--- a/guide/challenge-bot-questions.org
+++ b/guide/challenge-bot-questions.org
@@ -12,3 +12,6 @@
        bolt used to hold the arduino?
     3. why did we drill through the arduino, rather than marking holes
        and using the drill to make holes where the marks were?
+    4. how does the drill hold onto the drill bit?
+    5. what would happen if the drill bit teeth were not flat on the
+       drill bit?