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Unread 20-12-2013, 07:57
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Billfred Billfred is offline
...and you can't! teach! that!
FRC #5402 (Iron Kings); no team (AndyMark)
Team Role: Mentor
 
Join Date: Feb 2004
Rookie Year: 2004
Location: The Land of the Kokomese, IN
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Re: Shifting Gearbox on Kitbot

Quote:
Originally Posted by Andy Brockway View Post
We have used the kitbot or the 2005 Vex kitbot every year it was available. We run a version of 716's 2005 2 speed most years. The use of a 2 speed is not dependent on the chassis type. You can change the sprockets/pulleys/wheels to run the speeds you need to make your bot perform the task you design for.
This. I've had two-speeds on kitbots before. There can be benefits, depending on the game and the nature of your drivetrain (i.e. if your speeds are 7 feet/second and 2 feet/second, you're not going to gain much of anything).

That said, AndyMark is doing a new kitbot for 2014 that is supposed to direct-drive the center wheel. We don't know specifics yet (FIRST has embargoed them since it could tip things about the game), but that may impose more challenges on anyone trying to chain up a shifter. We'll see in two weeks.
__________________
William "Billfred" Leverette - Gamecock/Jessica Boucher victim/Marketing & Sales Specialist at AndyMark

2004-2006: FRC 1293 (D5 Robotics) - Student, Mentor, Coach
2007-2009: FRC 1618 (Capital Robotics) - Mentor, Coach
2009-2013: FRC 2815 (Los Pollos Locos) - Mentor, Coach - Palmetto '09, Peachtree '11, Palmetto '11, Palmetto '12
2010: FRC 1398 (Keenan Robo-Raiders) - Mentor - Palmetto '10
2014-2016: FRC 4901 (Garnet Squadron) - Co-Founder and Head Bot Coach - Orlando '14, SCRIW '16
2017-: FRC 5402 (Iron Kings) - Mentor

93 events (more than will fit in a ChiefDelphi signature), 13 seasons, over 60,000 miles, and still on a mission from Bob.

Rule #1: Do not die. Rule #2: Be respectful. Rule #3: Be safe. Rule #4: Follow the handbook.