Quarter Eliptical Springs - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Suspension - Brakes - Steering
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 03-23-2007, 06:56 PM
Registered User
 
Join Date: Mar 2007
Location: Kennewick, Washington
Posts: 5
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Quarter Eliptical Springs

Has anyone ever made their own Quarter eliptic front or rear springs?

If so do you have any tips/tricks i.e. makes & models for parts?

Thanks,
Mike
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 03-23-2007, 09:09 PM
cboy's Avatar
Member
 

Last journal entry: Finished
Last photo:
Join Date: Jan 2004
Location: Atwater, CA
Age: 69
Posts: 3,913
Wiki Edits: 0

Thanks: 0
Thanked 2 Times in 2 Posts
I just did exactly what you are talking about. See post #18 and following of this thread ford susp on hot rod for more info. Here's the front suspension and I just started on the rear today. That's a double set of quarter elliptical springs you see in this picture. They were fabricated from a set of F-150 rear semi-ellipticals.

__________________
Always learning...and sharing what I've learned. The Scratch-Built Hot Rod.

Last edited by cboy; 03-26-2007 at 11:42 AM.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 03-23-2007, 10:08 PM
cboy's Avatar
Member
 

Last journal entry: Finished
Last photo:
Join Date: Jan 2004
Location: Atwater, CA
Age: 69
Posts: 3,913
Wiki Edits: 0

Thanks: 0
Thanked 2 Times in 2 Posts
Here are a few more pics showing a bit more about how I did my quarter ellipticals.

As noted in the thread I linked to, you can't just just the springs in half to make two sets of quarter ellipticals. The arch in more semi-elliptical springs is not uniform and the axle mounting point is usually not centered in the spring...there is more spring toward the rear of the car and less toward the front. So what I did is make two sets of quarters from the fronts of two sets of semi's. I'm then going to use the rear portions of the semi's to make two more sets of quarters that I'll be using on the rear of my new chassis. The point is, don't mix fronts and rears of your semi elliptical springs. That way the arc (and spring rate) will remain the same for both sets.

Once I cut the springs to the length I needed I had to drill two holes for mounting purposes. If you haven't dealt with leaf springs BE PREPARED with some heavy duty drill bits. The tempered steel in leaf springs is very hard and it takes some doing to drill them out. The first picture shows the four leaves for one quarter elliptical cut down to the lengths I will use. The longest is 23 inches.



The second picture is a close up of the holes I drilled. Note that the end hole is a normal 1/2" hole but the front hole is larger and is elongated a bit. This is necessary for two reasons. The end hole holds the springs in alignment length wise while the front hole allows for adjusting each leaf a bit to the left and right so that you can get them lined up perfectly one over the top of the other. The hole is elongated because the spring is arched and when you bolt it down to a sold mounting platform the spring is going to flatten out slightly and thus the holes will move slightly further apart. It is also much easier to line up the springs and get the bolt through all the holes if the holes are elongated. I enlarged the holes by just using a burr.



The third shot shows how I mounted the springs. This is a shot from the underside of the mounting "box". My setup is fairly unique (it utilizes a Ford F-150 Twin I-Beam) so you probably won't be mounting yours in a similar fashion. But this may give you some ideas to work from.



And the last shot is how it all looks mounted on my car. Obviously, I've mounted my in a traverse position (springs perpendicular to the frame) but you could mount the springs parallel with the frame as well if that works better for your particular build.

__________________
Always learning...and sharing what I've learned. The Scratch-Built Hot Rod.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 03-26-2007, 08:31 AM
Member
 
Join Date: Oct 2002
Location: The Lone Star State (Houston area)
Posts: 1,189
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Lots of guys used the rear springs of 74-80 Pinto/Bobcat/Mustang II to make quarter elliptics back then.
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 04-16-2007, 08:20 PM
Registered User
 
Join Date: Mar 2007
Location: Kennewick, Washington
Posts: 5
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Qtr Elip.

What year is the f150 front end you used off of?
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 04-16-2007, 08:40 PM
cboy's Avatar
Member
 

Last journal entry: Finished
Last photo:
Join Date: Jan 2004
Location: Atwater, CA
Age: 69
Posts: 3,913
Wiki Edits: 0

Thanks: 0
Thanked 2 Times in 2 Posts
Quote:
Originally Posted by Caddad65
What year is the f150 front end you used off of?
The one in the pictures above is a 1979. The one in my '32 pickup is a '78 and the one in my roadster is an '81. The '79's and earlier are the best looking (most traditional looking).

Also, I've just put a lot more pictures and info on the quarter elliptical spring setup in my new cboy-two journal. Click here if you want to look it over. http://www.hotrodders.com/forum/jour...81&action=view
__________________
Always learning...and sharing what I've learned. The Scratch-Built Hot Rod.
Reply With Quote Quick reply to this message

Recent Suspension - Brakes - Steering posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may 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
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Quarter Elliptic front springs on straight axle woodcanoe Suspension - Brakes - Steering 4 10-20-2006 01:00 AM
Learned a lot from HBB but a question on repair of quarter flange Ripped Body - Exterior 6 10-19-2006 07:18 AM
quarter elliptic springs bodymanmp Suspension - Brakes - Steering 1 02-15-2006 11:24 AM
Diffrent Springs? strikingthematch Engine 3 12-09-2004 09:12 PM
Valve Springs GearHead69 Engine 5 07-19-2003 11:00 AM


All times are GMT -6. The time now is 09:57 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.