This is a great example of a case where you can teach your team about the process of making educated engineering decisions. In industry, we call the process of making decisions like this a "trade study". Please try to incorporate this as a powerful learning experience. http://firstlegoleague.org/mission/corevalues - We are a team. - *We do the work to find solutions with guidance from our coaches and mentors*. - We know our coaches and mentors don't have all the answers; *we learn together*. - We honor the spirit of friendly competition. - *What we discover is more important than what we win*. - We share our experiences with others. - We display Gracious Professionalism<http://www.usfirst.org/aboutus/gracious-professionalism> ® and Coopertition® in everything we do. - We have FUN! Best of Luck! Bill On Tue, Nov 6, 2012 at 10:46 AM, Moenings <[log in to unmask]>wrote: > I noticed the day of the tournament we made so many revisions and > practiced so much that the robot was dead by the time of the match. Luckily > we had a second robot with another battery. But the stress of changing it > at the last second was nerve racking. This year we are avoiding this by > using AA batteries. > > Patty > > On Mon, Nov 5, 2012 at 9:14 PM, John Barrett <[log in to unmask]>wrote: > >> It is not uncommon. My experience has been that when the battery starts >> to die, it's time to replace it. FWIW, our annual FLL budget now includes >> the funds to buy a new battery each year. >> >> John >> >> -- >> >> John J. Barrett >> Industrial Medium Software, Inc. >> 1616 Anderson Road >> McLean, VA 22102 >> >> (c) 703-231-5094 >> (p) 703-286-0818 >> (f) 703-286-0888 >> >> http://www.industrialmedium.com >> >> >> >> On Nov 4, 2012, at 10:34 PM, Savita Sethi wrote: >> >> Dear all, >> Our team is having issues with the rechargeable battery pack. This is the >> second season with the same set and they are noticing that it is losing >> battery too quickly and within minutes of practice it drops by 0.5 almost >> and they are requesting that we buy a new pack and replace it. Ofcourse >> this will need rebuilding the entire robot and we are 5 days from the >> tournament. We are going to order one soon. >> Has any of you experienced this? Is this normal after two years of use? >> Need advice. >> Thanks >> Savita >> >> >> ------------------------------ >> To UNSUBSCRIBE or CHANGE your settings, please visit >> https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or >> leave the list". >> VADCFLL administrative announcements are sent via >> VADCFLL-ANNOUNCEMENTS-L. Visit >> https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to >> subscribe. >> >> >> ------------------------------ >> To UNSUBSCRIBE or CHANGE your settings, please visit >> https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or >> leave the list". >> VADCFLL administrative announcements are sent via >> VADCFLL-ANNOUNCEMENTS-L. Visit >> https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to >> subscribe. >> > > ------------------------------ > To UNSUBSCRIBE or CHANGE your settings, please visit > https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or > leave the list". > VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. > Visit https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to > subscribe. -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.