LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Why do HP/TQ curves always cross at 5250 rpm

Thread Tools
 
Search this Thread
 
Old Jul 17, 2009 | 04:51 AM
  #1  
F6's Avatar
F6
Thread Starter
Registered User
 
Joined: Jan 2003
Posts: 165
From: Lengede
Why do HP/TQ curves always cross at 5250 rpm

I was wondering why the HP/TQ curves cross at 5250 rpm.
Can somebody explain??
Old Jul 17, 2009 | 05:31 AM
  #2  
seawolf06's Avatar
Registered User
 
Joined: Jul 2004
Posts: 3,034
From: Raleigh, NC
HP = (torque*RPM)/5252

At 5252 RPM, HP = TQ

Old Jul 17, 2009 | 05:32 AM
  #3  
Injuneer's Avatar
Administrator
 
Joined: Nov 1998
Posts: 71,119
From: Hell was full so they sent me to NJ
Actually, they cross at exactly 5,252 RPM.

That's because HP is calculated from torque and RPM, with an equation that has a "constant" of 5,252.

HP = (torque X RPM) / 5252

See this reference:

http://www.howstuffworks.com/question622.htm
Old Jul 17, 2009 | 05:33 AM
  #4  
seawolf06's Avatar
Registered User
 
Joined: Jul 2004
Posts: 3,034
From: Raleigh, NC
I win!
Old Jul 17, 2009 | 05:34 AM
  #5  
F6's Avatar
F6
Thread Starter
Registered User
 
Joined: Jan 2003
Posts: 165
From: Lengede
Thanks fellows, this is what I call a fast and correct reply!!

Arnold
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
93 RedBird
Fuel and Ignition
4
Nov 15, 2015 08:24 AM
WobblySausage
Drivetrain
4
Oct 7, 2015 10:09 AM
95z_28_camaro_4_Ivan
General 1967-2002 F-Body Tech
13
Oct 3, 2015 07:27 PM
KYWes
LT1 Based Engine Tech
5
Sep 26, 2015 08:49 AM
Daluchman1974
Cars For Sale
1
Sep 11, 2015 06:12 AM




All times are GMT -5. The time now is 09:10 PM.