Home Menu

Menu


Pontiac - Street No question too basic here!

          
PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > Horsepower to spin alternator?
Reply
 
Thread Tools Display Modes
  #1  
Old 10-08-2022, 09:25 PM
Half-Inch Stud's Avatar
Half-Inch Stud Half-Inch Stud is offline
Ultimate Warrior
  
Join Date: Jul 2000
Location: BlueBell, PA or AL U.S.A.
Posts: 18,892
Default
The math holds for : HP lost = (14.4V x 130A /0.65 efficiency) / 746

Reply With QuoteReply With Quote
  #2  
Old 10-09-2022, 12:49 PM
NeighborsComplaint's Avatar
NeighborsComplaint NeighborsComplaint is offline
Ultimate Warrior
  
Join Date: Aug 2009
Location: Elgin
Posts: 2,591
Default
Quote:
Originally Posted by Half-Inch Stud View Post
The math holds for : HP lost = (14.4V x 130A /0.65 efficiency) / 746
Most who have posted forgot the efficiency you mentioned. 1Hp may equal 746 Watts but an alternator is not 100% efficient so output does not equal input due to drive ratio (pulley size), frictional losses and heat.

__________________
Triple Black 1971 GTO
Reply With QuoteReply With Quote
The Following User Says Thank You to NeighborsComplaint For This Useful Post:
Reply

« Previous Thread | Next Thread »
Thread Tools
Display Modes
Hybrid Mode Hybrid Mode

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 01:07 AM.

 

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

 




Contact Us Home
Copyright © 2017