Go to Post Anything worth analyzing is worth over-analyzing. And anything worth over-analyzing is worth hyper-analyzing. Ready, go! - Michael Hill [more]
Home
Go Back   Chief Delphi > Technical > Technical Discussion
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
 
 
Thread Tools Rate Thread Display Modes
Prev Previous Post   Next Post Next
  #16   Spotlight this post!  
Unread 27-12-2014, 05:01
Munchskull's Avatar
Munchskull Munchskull is offline
CAD Designer/ Electrical Consaltant
AKA: Anthony Cardinali
FRC #0997 (Spartan Robotics)
Team Role: CAD
 
Join Date: Jan 2013
Rookie Year: 2013
Location: Corvallis, OR
Posts: 526
Munchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to beholdMunchskull is a splendid one to behold
Re: One speed vs Two speed gearboxes

Quote:
Originally Posted by Dunngeon View Post
As a general rule, we only run competition batteries for 2 years before retiring them to a non-competition use, such as a practice bot.
Electrically speaking the age alone of a battery is irrelevant to it performance. What you should really be checking for is internal resistance. A lightly used, well cared for battery can last longer than just two years, while a heavily used battery that is poorly mantained may not even last that long. However you are right that the battery will increase in resistance with aged, but the lagest factor in a batteries life expectancy is not the age but the usage and care. You may have more batteries that are perfectly fine to use. While I like your rule I encourage you to also check you internal resistance.

Also if you think that inefficient wiring is the issue try either:

1) wire the PDB, motor controllers and the motors as close together as possible. Short wire means less resistance.

2) If your components have to be spread out but you can affored a little extra weight try using a wire size bigger than FIRST requires for the motor wire. Doing this will decrease the wire resistance allowing for better energy transfer.

3) Finally, one of the best ways to get the most out of your motors is to be using the top of the line motor controllers. The Talons will be more efficient than say a Victor 884.

While I wish I could offer more insight on to what happened to 624 in 2013 with their shifting, I believe that all that I could have said has already been spoken. So I leave you with these electrical tips that can help get the most out of your motors.
__________________
“In theory, theory and practice are the same. In practice, they are not.” ― Anonymous
Anthony Cardinali
4th year of FRC
Class of 2017



 


Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 11:12.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi