Fabrication Everything From JBwelded/Fluxcored downpipes to Equal length SS Manifolds.

Formula for making precise PIE CUT BENDS............!!!!

Old Dec 21, 2008 | 03:47 PM
  #41  
cutlass84's Avatar
0.0 BAR
 
Joined: Dec 2008
Posts: 2
Default Re: Formula for making precise PIE CUT BENDS............!!!!

Sorry to dig up an old thread, but I am trying to build an exhaust for my car and had a question about the original formula.

I follow all the math, but am lost as to where the angle of 11* comes from? Wasn't the angle 12 when you divide the bend angle/2x5?

Originally Posted by MADMAX

L = 2.288"
Angle = 11 degrees
_____
Now you need to cut 5 of these -> \____/ with the top part measuring 2.288" in length.




Old Dec 22, 2008 | 01:55 AM
  #42  
0b00st0's Avatar
Thread Starter
0.0 BAR
 
Joined: May 2005
Posts: 0
Default Re: Formula for making precise PIE CUT BENDS............!!!!

Originally Posted by cutlass84
Sorry to dig up an old thread, but I am trying to build an exhaust for my car and had a question about the original formula.

I follow all the math, but am lost as to where the angle of 11* comes from? Wasn't the angle 12 when you divide the bend angle/2x5?

Thanks for catching that. Funny how no one caught it before.

I meant 12 degrees, not 11. Mistypo.



Old Dec 22, 2008 | 07:29 PM
  #43  
cutlass84's Avatar
0.0 BAR
 
Joined: Dec 2008
Posts: 2
Default Re: Formula for making precise PIE CUT BENDS............!!!!

Cool, thanks for the quick reply man. If I can get my ban saw to cut straight I'll try to post pics of my attempt at this..
Old Dec 22, 2008 | 10:53 PM
  #44  
TurboGuy's Avatar
0.0 BAR
 
Joined: Nov 2008
Posts: 0
Default Re: Formula for making precise PIE CUT BENDS............!!!!

Originally Posted by MADMAX
Here is an Excel ------sheet that t_cel_t created that uses this formula for you mathematically challenged individuals. Pie Cut Excel Sheet
I get a virus warning!
Old Dec 23, 2008 | 03:45 PM
  #45  
t_cel_t's Avatar
!! UNCONFIRMED EMAIL !!
 
Joined: Sep 2007
Posts: 1,305
Default Re: Formula for making precise PIE CUT BENDS............!!!!

its not a virus, unless somehow someone switched it on that server.
Old Jan 26, 2009 | 04:22 AM
  #46  
turbob16hatch's Avatar
1.0 BAR
 
Joined: Dec 2005
Posts: 397
Default Re: Formula for making precise PIE CUT BENDS............!!!!

thanks for this right up. this will help tons.

HMT ftmfw!!!
Old Apr 15, 2009 | 11:54 PM
  #47  
MoFasterthenUr's's Avatar
0.5 BAR
 
Joined: Mar 2009
Posts: 93
Default

hell ya was just about to pay 50 for someone to make my down pipe, and $ for intercooler piping. thanks alot.
Old Aug 26, 2016 | 01:45 AM
  #48  
JasonBR's Avatar
0.0 BAR
 
Joined: Aug 2016
Posts: 1
Default There must be a mistake

Either I am right, or I am wrong, but there is a part I feel, is missing. 11*12...11*0.288. How did u get 0.288 from 12?
Old Apr 3, 2017 | 02:03 PM
  #49  
vortecfiero's Avatar
0.5 BAR
 
Joined: Jan 2008
Posts: 86
Default

does anyone else have this ------sheet ?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
fatalmk1
Fabrication
32
Jun 21, 2009 05:12 PM
The Milk Man
Fabrication
17
Sep 6, 2007 10:05 PM
Racintweek
Turbo Parts For Sale
12
Jun 29, 2007 07:32 AM
wannabfst
Engine Management
1
May 22, 2003 08:01 AM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 01:48 AM.