> 1947 Biederman Truck Fender Repairs - All MetalShaping <
All MetalShaping

Go Back   All MetalShaping > Metal Shaping Projects > Automotive Projects
  Today's Posts Posts for Last 7 Days Posts for Last 14 Days  

Reply
 
Thread Tools Search this Thread Display Modes
  #1  
Old 03-10-2016, 09:29 PM
MP&C's Avatar
MP&C MP&C is offline
MetalShaper of the month 02-11
 
Join Date: Mar 2010
Location: Leonardtown, MD
Posts: 1,097
Default 1947 Biederman Truck Fender Repairs

Tonight in the shop we started the repair work on the front fenders for the 1947 Biederman Truck, seen here for reference:



The fenders are made using 16 gauge steel, so this may be a bit challenging when we get to blocking and wheeling patches for the fenders themselves. In the meantime (while still waiting for the new English wheel) let's get started on the inner fenders. The driver's side is the worst, with so much rotted away that we couldn't get accurate dimensions. The passenger side was in much better condition, but just shy of 70 years has taken its toll in adding some wavy distortion. So we'll remake both sides for a better match.



In order to get a more crisp bend on the 16 gauge steel, we used a tipping die in the Lennox to thin the metal at the line of the bend.







Bending in the Baileigh Magnetic Brake..









This detail shot shows how the thinning helps get a tighter bend..



Next, we needed a profile template for the rear radius, so the kick shrinker is used on a folded 19 gauge strip to add the radius..





A flat folded strip works better than an angle as if you shrink too far in this direction.....



......you can simply shrink the back half to reverse the effect without the need for changing to the stretching die..



Now with an accurate pattern, we can use the template on the new inner fender..





All trimmed...





With the new clamped to the old, we can see what the years of abuse has done..



One down, one to go..
__________________
Robert

Instagram @ mccartney_paint_and_custom
Reply With Quote
  #2  
Old 03-11-2016, 01:56 AM
Gojeep Gojeep is offline
MetalShaper of the Month March 2015
 
Join Date: Nov 2013
Location: Eastern Melbourne, Australia
Posts: 1,194
Default

Looking forward to seeing you do this one Robert.
__________________
Marcus
aka. Gojeep
Victoria, Australia
www.go.jeep-xj.info

Invention is a combination of brains and materials.
The more brains you use, the less materials you need.
Reply With Quote
  #3  
Old 03-11-2016, 11:36 AM
Jere's Avatar
Jere Jere is offline
Member
 
Join Date: Jan 2011
Location: Willits CA
Posts: 1,645
Default

This looks like a fun one.

Jere
__________________
Jere Kirkpatrick
Valley Forge & Welding
HEN-ROB Torch Dealer.
Teaching The Fundamentals of Metal Shaping
www.jerekirkpatrick.com

All tools are a hammer except the chisel.....That's a screwdriver.
Reply With Quote
  #4  
Old 03-11-2016, 01:16 PM
Janne Janne is offline
MetalShaper of the Month October 2015
 
Join Date: Nov 2010
Location: Finland, Salo
Posts: 745
Default

Same here, keep it going

For me it still takes much time to shrink or stretch the folded strip to right radius but eventually I get it..more practise
__________________
Janne Jarvinen

--------- JJ ----------
Reply With Quote
  #5  
Old 03-12-2016, 08:15 PM
MP&C's Avatar
MP&C MP&C is offline
MetalShaper of the month 02-11
 
Join Date: Mar 2010
Location: Leonardtown, MD
Posts: 1,097
Default

Today we got the second inner fender cut out, and took them both over for a test fit on the truck





The driver's side has a bolting plate in the middle of the frame for the steering box, so a relief notch was in order...



....as well as a bit of trimming for some clearance so that the paint won't be chipped off on the first test drive. The fabrication of these parts are done, and we hope to pick up the Tommasini Wheeling Machine soon so we can get started on the fender patches..





__________________
Robert

Instagram @ mccartney_paint_and_custom
Reply With Quote
  #6  
Old 03-14-2016, 09:00 PM
MP&C's Avatar
MP&C MP&C is offline
MetalShaper of the month 02-11
 
Join Date: Mar 2010
Location: Leonardtown, MD
Posts: 1,097
Default

Had a question about placement of the thinning groove, so I thought I'd post the results of the test sample...




Quote:
Originally Posted by WoodsTruck
Question about the use of your tipping die for bending a straight line.


What would happen if you made the divot on the back side of the bend instead of the front? I realize you are referring to this as "thinning" the metal, but aren't you actually forging it in a sense since you aren't actually removing metal but compacting it primarily? To my inexperience it would seem that a tight bend could be made without the resulting trough if the tipping die was used on the backside of the bend.


Fantastic work though, wish I had half the knowledge and tools to do that stuff. I'm a graduate of the BFH school.


Here's the test from tonight. The 16 ga thickness measured out to about .057, at the "thinning" groove it was .053, so we lost about .004 in thickness, or less than 10%. Put the thinning groove on the outside for this bend, it tended to stretch the deformity back out again where it looks like it could be more readily cleaned up with a file..











So where the bending process allowed the groove to stretch back out....







...it also gave us a wider radius than when the thinning was placed on the inside of the bend...







So I'd say to use placement based on if a tighter radius is needed or whether you need it dressed out. Given our original intent was a tighter/sharper radius, I'd place the thinning inside the bend to support that..
__________________
Robert

Instagram @ mccartney_paint_and_custom

Last edited by MP&C; 03-15-2016 at 07:56 AM.
Reply With Quote
  #7  
Old 07-01-2016, 09:03 PM
MP&C's Avatar
MP&C MP&C is offline
MetalShaper of the month 02-11
 
Join Date: Mar 2010
Location: Leonardtown, MD
Posts: 1,097
Default

John's getting ready for engine start ceremonies, so I guess I need to get off my duff here. To help out in that regard, next we'll fabricate the battery tray which I don't believe came with the truck when John got it. Here's the best we have for a pattern:





The hold down bracket for the prescribed Group 4 battery was with the truck, so we did some test fitting with the inner fender in place. It is a bit cramped for space, and John expressed concern of the availability of the Group 4 battery. Most local sources only carry the Group 1 in stock, which would also be a better fit.. So out with the old...





I did miss getting in the flat pictures, but here is the freshly folded and welded hold down bracket for the new battery size.








All trimmed and prepped for paint..








Comparing the new to the old...





Next will be the new battery tray.
__________________
Robert

Instagram @ mccartney_paint_and_custom
Reply With Quote
  #8  
Old 07-02-2016, 06:57 AM
RockHillWill's Avatar
RockHillWill RockHillWill is offline
Administrator
 
Join Date: Oct 2009
Location: Rock Hill, South Carolina
Posts: 2,439
Default

Nice , Robert. I look forward to all your posts.
__________________
Will

Imagination is more important than knowledge - Albert Einstein

Click below for ordering or status info on Tommasini Ewheels:


http://www.mantiquesresto.com/RestoredItems/Tommasini/TommasiniWheel.html
Reply With Quote
  #9  
Old 07-04-2016, 12:44 PM
MP&C's Avatar
MP&C MP&C is offline
MetalShaper of the month 02-11
 
Join Date: Mar 2010
Location: Leonardtown, MD
Posts: 1,097
Default

Thanks Will!


...and now for the battery tray, shown here cut to size and sides folded up...





For the end folds, the cut was started using a .035 cutoff wheel..



...and our trusty jig saw again...









Both ends complete, and frame holes have been piloted. Once checked to the hole spacing on the frame they can be drilled out for the 3/8 bolts.



__________________
Robert

Instagram @ mccartney_paint_and_custom
Reply With Quote
  #10  
Old 07-04-2016, 04:27 PM
SATAUS SATAUS is online now
MetalShaper of the Month July 2010, Dec 2011, Nov 2014, Feb 2016
 
Join Date: Mar 2010
Location: Adelaide Australia
Posts: 347
Default

Nice job Robert thanks for taken the time to showus.
__________________
Scott
Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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 On

Forum Jump

All times are GMT -5. The time now is 05:44 PM.

Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.