Go to Post We are all just pawns in FIRST's quest for global domination. - Tom Bottiglieri [more]
Home
Go Back   Chief Delphi > FIRST > General Forum
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

 
 
 
Thread Tools Rating: Thread Rating: 4 votes, 5.00 average. Display Modes
Prev Previous Post   Next Post Next
  #13   Spotlight this post!  
Unread 18-03-2011, 11:02
JesseK's Avatar
JesseK JesseK is offline
Expert Flybot Crasher
FRC #1885 (ILITE)
Team Role: Mentor
 
Join Date: Mar 2007
Rookie Year: 2005
Location: Reston, VA
Posts: 3,733
JesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond reputeJesseK has a reputation beyond repute
Re: Team Update #18

Here's a fun image, generated here. Red line is Ether's theoretical diameter, and the motor load is indeed at max power. Yet the iterations show that a slightly different diameter can squeeze out a bit more due to acceleration being a slightly larger-than-anticipated factor.

Assumes:
Battery voltage of 14.4V
6755 RPM Free Speed
0.095 Nm Stall Torque
(Extrapolated the stall/free currents based upon a realistic efficiency curve)
2 motors

100% wheel-to-pole efficiency
direct-drive minibot straight off the motor
2.3 lb weight
Minibot goes exactly 7.5 feet straight up
Attached Thumbnails
Click image for larger version

Name:	MinibotTimes.JPG
Views:	65
Size:	31.6 KB
ID:	10438  
__________________

Drive Coach, 1885 (2007-present)
2017 Scoring Model
CAD Library | GitHub
Reply With Quote
 


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 07:53.

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