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Need some guidance before I proceed
Ok, the time has come to weld together my 289 forward braced roll bar. But before I proceed with what I believe is the correct approach, I would like the pros to chime in.
I plan to cut the forward brace about 8" from the point where it welds to the hoop. Will then weld the insert into the top pice with a series of rosette welds. I will then put the two pieces together and drill the holes in the bottom piece to secure the two pieces. Next I will install the hoop and align the brace, tack weld, remove, and final weld. Let me know if this is the correct way or not. I plan to use 5/16 grade 8 bolts (2) to secure the upper and lower portions of the forward brace Thanks Bill D |
Not familiar with your setup but the final weld could possibly move things around a little depending how hot the parts get, shrinkage you know, allow for movement.
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Sounds good Bill. Take a little time on the fit of the fish mouth. As vector points out the weld shrinkage is a consideration and a good fit minimizes that. Balance the welds if you can. Weld one side and spin and weld the other. Sides first because the ends really change the angle, especially the underneath one. I use 3/8" bolts on the 7's but 5/16" grade 8 should be fine, they are in double shear.
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I posted this on another thread, but will do so here as well.
These are most excellent on fitting pipe, IMHO. Products | PipeMaster™ - The Welder's Tool for Contour Fits |
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Would you like to see my welding credentials? I was certified structural, and high pressure vessel. I have over 40 years fabrication experience with stick, MIG, and gas welding. I was certified in carbon arc, and burning. Crapton's welds are erratic and cold. His welds look like bird****. Now, where's your credentials? |
Pictures are always good...
http://photos.imageevent.com/germanp...m_DSC06745.jpg http://photos.imageevent.com/germanp...m_DSC06746.jpg http://photos.imageevent.com/germanp...m_DSC06748.jpg http://photos.imageevent.com/germanp...m_DSC06753.jpg Little grinding and paint.... http://photos.imageevent.com/germanp...m_DSC09073.jpg |
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Might want to fit a seat as the front brace looks short.
Looks great, just be sure the seat will not be blocked. Mine extends into the footbox. My frame is not as heavily modified just easier to check now than later. Awesome job! |
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Seat fit.
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Gents...cool it.
Thank you for your expected cooperation. |
OK, got everything cut, fitted, and ready to be TIG
Drilled the mounting holes in one end of the insert http://i23.photobucket.com/albums/b3...ps83d4d6e0.jpg http://i23.photobucket.com/albums/b3...ps3913d7aa.jpg Welded the insert into the short section of the brace with 6 rosette welds http://i23.photobucket.com/albums/b3...ps8a95c4f4.jpg And filed the welds smooth, checking for voids, and rewelding as needed http://i23.photobucket.com/albums/b3...ps04c5dced.jpg Installed the hoop and brace, fitted the fishmouth and the point where the brace attaches to the frame http://i23.photobucket.com/albums/b3...psaf4c193b.jpg Installed the passenger seat and checked clearance http://i23.photobucket.com/albums/b3...ps8c1d97be.jpg http://i23.photobucket.com/albums/b3...pseace18de.jpg |
Do not bank so much on that rollbar. Back then, these rollbars were required to be able to get the driver out of the car when it was upside down.
Depending on how good you are strapped down in the car that rollbar (lack of rollcage) does not much to protect your melon. Sorry to bust your bubble.... http://photos.imageevent.com/germanp...ize/asedee.jpg http://photos.imageevent.com/germanp...r%20shelby.jpg |
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As for pilling on the BS you bet, this work is very sub par. What's your expertise to call it different? |
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