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Unread 29-02-2004, 00:37
Travis Covington's Avatar Unsung FIRST Hero
Travis Covington Travis Covington is offline
Engineering Mentor
FRC #0254
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Join Date: Oct 2001
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Team 968's technokat inspired 4 speed tranny

Well, I promised some of you that I would post these pictures after the robot shipped. So here they are!

This design is inspired by Andy Baker and Team 45, who we thank very much for releasing their design for all to use.

Some of you know that we made a version of the Technokats 2002 tranny last year that resembled their 2003 tranny very much. This is a combination of their 2003 tranny with our modifications we implemented last year.











That's right, 4 speeds. The first stage is a 4:1 reduction. It is linked by 2 sprockets and chain to a second stage with a reduction of 2:1. From this we get 16fps, 8fps, 4fps, and 2 fps (with a significant efficiency loss). We understand that this is excessive, but we wanted to do something different.

Both gearboxes, pistons, motors, and flex couplings weigh ~12.5lbs.

Again, we really want to send our thanks to Andy Baker and team 45, Dave Lavery and Team 116, Team 190, and all those other teams who have posted designs. Our team (and I am sure lots of others) appreciate your willingness to share these designs. It really strengthens the FIRST community and helps further future advancements in robot design.

Please feel free to ask any question that you may have.
__________________
-Travis Covington

2008-2017 - Engineering Mentor of Team 254
2001-2008 - Engineering Mentor of Team 968
1998-2001 - Mechanical Director/Driver/Member of Team 115

Last edited by Travis Covington : 29-02-2004 at 05:19.
 


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