View Single Post
  #13   Spotlight this post!  
Unread 17-01-2013, 12:31
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: 2,296
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: *Warning* On talons!!!!

Quote:
Originally Posted by Mike Copioli View Post
Bottom line:

You will not draw 133 amps with your CIM motor in FRC, not even close. BTW the spec sheet on the Talon reads 60 Amps continuous and 100 peak. The FET's in side the Talon are rated at 100 amps continuous. We de-rate from the 100 amps to be conservative. The reason is because of the heat that is generated at continuous currents higher than 60 amps.
Hooray, math!

Thanks for taking the time to outline the design and the rating decision, Mike.
__________________
Patrick Freivald -- Mentor
Team 1551
"The Grapes of Wrath"
Bausch & Lomb, PTC Corporation, and Naples High School

I write books, too!