Go to Post If robotics is bad for you, well then I guess I'm gonna die. At least I'll die happy. - karinka13 [more]
Home
Go Back   Chief Delphi > FIRST > Robot Showcase
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
  #17   Spotlight this post!  
Unread 13-01-2012, 08:18
pfreivald's Avatar
pfreivald pfreivald is offline
Registered User
AKA: Patrick Freivald
FRC #1551 (The Grapes of Wrath)
Team Role: Mentor
 
Join Date: Jan 2007
Rookie Year: 2001
Location: Naples, NY
Posts: 2,305
pfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond reputepfreivald has a reputation beyond repute
Re: FRC 2012 Ball Launcher by iR3

Quote:
Originally Posted by Dan Richardson View Post
We are actually doing our best to track down a tachometer but theoretically CIM motors free speed around ~5310 rpm.

We currently have it configured as a 1 stage reduction 14 CIM Gear to 40 Tooth Gear. So a gear reduction of roughly 2.85:1.

5310/2.85 = 1863.15 RPM

Taking into account the mass moment of the wheels and some inefficiencies maybe like 1400 rpm @ around 75% efficiency?
Thanks! We did the math on a half-court shot and the surface speed of a 6" wheel is in that order.
__________________
Patrick Freivald -- Mentor
Team 1551
"The Grapes of Wrath"
Bausch & Lomb, PTC Corporation, and Naples High School

I write books, too!
 


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 01:31.

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