{"id":2244,"date":"2012-09-08T17:42:29","date_gmt":"2012-09-08T21:42:29","guid":{"rendered":"http:\/\/www.etotheipiplusone.net\/?page_id=2244"},"modified":"2021-01-13T13:17:41","modified_gmt":"2021-01-13T17:17:41","slug":"null-hypothesis","status":"publish","type":"page","link":"https:\/\/www.etotheipiplusone.net\/?page_id=2244","title":{"rendered":"Null Hypothesis"},"content":{"rendered":"

\"\"<\/p>\n

Know what I miss? Having a totally generic 4-wheeled pushybot with no frills. Most of my bots these days have some kind of crazy multi-DOF actuated weapon, but some times it’s nice to just drive something around really fast! Null Hypothesis is a classic “drill brick” bot using four 18v cordless drill motors overvolted to 25v, with 3\/4″ of ground clearance and a frame made of 1″ thick UHMW polyethylene, which is damn near unbreakable. The hope is that NH will be a good sparring opponent for anything else I build in the 30lb class. If the design can’t reject the null hypothesis – defeat a generic 4 wheeled pushy box bot, then maybe it needs to be rethought…<\/p>\n

Null Hypothesis 1.0
\n<\/strong><\/p>\n\n\n\n\n\n\n\n
Weapon<\/strong><\/td>\n1\/8″ 4130 steel wedge<\/td>\n<\/tr>\n
Chassis<\/strong><\/td>\n18 x 18 x 2.5″<\/td>\n<\/tr>\n
Mechanical<\/strong><\/td>\nFour wheel drive
\n4x 24:1 18v drill gearboxes<\/td>\n<\/tr>\n
Electrical<\/strong><\/td>\n25.6v (8S) 4.4Ah A123 battery
\n1x Ragebridge ESC<\/td>\n<\/tr>\n
Competition<\/strong><\/td>\nRobot Battles 2012<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

NH, as with my other bots, has its own build report category<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Know what I miss? Having a totally generic 4-wheeled pushybot with no frills. Most of my bots these days have some kind of crazy multi-DOF actuated weapon, but some times it’s nice to just drive something around really fast! Null Hypothesis is a classic “drill brick” bot using four 18v cordless drill motors overvolted to […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2244","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/pages\/2244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2244"}],"version-history":[{"count":4,"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/pages\/2244\/revisions"}],"predecessor-version":[{"id":5086,"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/pages\/2244\/revisions\/5086"}],"up":[{"embeddable":true,"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=\/wp\/v2\/pages\/6"}],"wp:attachment":[{"href":"https:\/\/www.etotheipiplusone.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}