Top bow storage bracket location on windshield |
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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Posted: 27 Mar. 2018 at 7:49am |
I am drilling all the holes I need to before I get final paint on my rebuild. However I have been unable to find locations for where to drill the holes in the windshield panel to locate the brackets that hold the top bows. I am also unsure of what the actual fixing hardware comprises. All I have are two original clamps/brackets and a fresh undrilled windshield. I need to fabricate or make up the rest.
Can someone confirm what hardware holds the clamps to the windshield. Walcks website says they are 5/16" studs, is this correct? Would this be coarse or fine thread? I might have to mock up with a 5/16" carriage bolt and fender washer and try for a similar look. What length is the stud? And approximate diameter of the fender washer on the outside? Has anybody got measurements or drawings of where the studs/bolts are located in the windshield panel? Sorry for all the questions... I'm nearly there! Mike |
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1948 CJ2A #204853 in South Africa
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Ol' Unreliable
Member Joined: 25 Sep. 2016 Location: CO Springs CO Status: Offline Points: 4226 |
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I can definitively state that those screws/bolts/studs/whatever are 5/16-18 thread. They're a strange creature though. Not a carriage bolt, but a very low-headed kind of screw, the head of which is 0.776" in diameter under a couple layers of paint. There are things in the way of me measuring the thickness of the head of the screw. They stick out (in?) 1.265" to the interior. Under a couple layers of paint, the washers are 2.059" in diameter. Again, things in the way of measuring the thickness of the washers keep me from getting that dimension. Sorry...
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There's a reason it's called Ol' Unreliable
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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I know you say it is not a carriage bolt, but unless I can find some original take outs I have to improvise and try for a look that might be close to correct. Based on the dimensions you have provided these carriage bolts look awfully close....
I'm sure I can find a 2" (50mm) fender washer to go under the head... I will have to cut out the windshield panel for the square neck on the bolt, but I think this is about as close as I am going to get. Thoughts? Anyone got any photos of theirs so I can see what they look like up close? Anyone know if the originals are permanently attached to the windshield like studs or do they slide right out if the nut is taken off? Should I be looking for original take-outs rather? Mike |
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1948 CJ2A #204853 in South Africa
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athawk11
Member Joined: 18 Jan. 2012 Location: Arvada,Colorado Status: Offline Points: 4151 |
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When comparing it to the carriage bolt, the original head does not have a crown. It's flat with a rolled edge. It was welded to the big washer. Not sure how they did it, but you can see my grind marks from cleaning off the welds. I used JB Weld to stick these back together.
Edited by athawk11 - 28 Mar. 2018 at 1:46pm |
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1- 1946 CJ2A
2- 1949 CJ3A |
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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Thanks Tim, that's useful info.
I could grind the top of a carriage bolt head to flatten it and then paint it, or I can look for take-off bolts. I'll post a WTB and see what comes up in the next week or so. If nothing, i'll have to go with the modified carriage bolt option. Happy Easter!
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1948 CJ2A #204853 in South Africa
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athawk11
Member Joined: 18 Jan. 2012 Location: Arvada,Colorado Status: Offline Points: 4151 |
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Hi Mike,
Because they are painted, I think I would try out your plan of grinding off the crown. You might even experiment with rolling the edge a little bit if needed.
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1- 1946 CJ2A
2- 1949 CJ3A |
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otto
Member Joined: 26 Feb. 2012 Location: Orygun Status: Offline Points: 2264 |
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Look for elevator or escalator bolts. They are more similar to what you’re looking for.
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47 CJ2A w/fuel injected boat engine
48 CJ2A 64 Ford Econoline Travelwagon If you can't get there in a Jeep, get a motorcycle! |
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Rus Curtis
Member Joined: 25 Mar. 2010 Location: Alabama Status: Offline Points: 1733 |
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The short answer is that is a weld screw. Searching for things is a bit more difficult when images are no longer available - thanks Photo Bucket! However, the information has already been posted (and y'all have done a good thing by hosting images on your forum!!):
Sean describes them here: jpet refers to them in his graduate level 'Top Bows and Doors' thread (pg 8 near bottom): It is the same type weld screw used on the optional side steps. These weld screws are attached to a trapezoid piece of sheet metal and found against tub side under the gas tank and inside the tool box. What I learned recreating these is the nibs on the head face the direction of the spot weld; under the head when you attach by inserting through a hole, on top of the head when the screw is attached on the face of a panel. They are designed for spot welding. If you can't find a spot welder in your area, you could grind off the nibs (otherwise the screw sits off the surface) and then just weld around the edges. This won't look as clean but will get the job done. Added: Since they are always under compression athawk11's idea of using JBweld would work nicely.
Edited by Rus Curtis - 28 Mar. 2018 at 4:24pm |
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Rus Curtis
Alabama 1954 CJ3B Bantam T3-C |
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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I did eventually find original take-off's, kindly sent to me by my friend Clausnam in Namibia. Thanks Claus!
The last job is to drill holes in the windshield panel for the studs and stick them on with JB Weld! Can anyone measure and send me dimensions to locate the drill holes please? I would be very grateful. Inside dimensions from bottom of top pipe and inside of side pipe would be easiest to work with. As shown in green in the image below... (I assume left and right studs are mirror images of each other? But usually assumptions like that get me in trouble... ) |
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1948 CJ2A #204853 in South Africa
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Ol' Unreliable
Member Joined: 25 Sep. 2016 Location: CO Springs CO Status: Offline Points: 4226 |
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I see both studs down from the top tube at 2.6 inches, or 66 mm (66.04 by my calculator). The left stud is 9.15 inches from the left tube (232.41 mm) and 9.05 inches from the right tube (229.87 mm). I'd say you could round them off to the nearest mm and you'd be okay.
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There's a reason it's called Ol' Unreliable
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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Thank you Mike, much appreciated!
In accordance with the "measure twice drill once" principle, can I double check we are measuring from the same place, that being the inside of side tubes and underside of top tube?
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1948 CJ2A #204853 in South Africa
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JeepFever
Member Sponsor Member Joined: 07 Aug. 2012 Location: VA Status: Offline Points: 2747 |
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Mine measure similar: driver 9.05 2.55" pass 9.1 2.6 This is from inside of tubes to centerline of stud |
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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Thank you gents, confirmation all round!
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1948 CJ2A #204853 in South Africa
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damar2yxr
Member Sponsor Member x 2 Joined: 23 Aug. 2010 Location: Watertown, Wisc Status: Offline Points: 2632 |
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Mike, you know you could have avoided all this hassle if you would just have asked for these in your last big parts order....yes I had them and could have thrown them in the box....
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eat,sleep,jeep
Proud father of a Marine, Army Dentist, Navy Pilot and a Princess. LIFE IS GOOD! 43MB,47CJ2-A,48CJ2-A X2,70Jeepster Commando 1/2 cab,84CJ-7, |
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JeepSaffer
Member Joined: 26 Sep. 2014 Location: South Africa Status: Offline Points: 1181 |
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Haha, Dave I DO know that. Claus and I talk quite regularly and when I realised I wasn't easily going to make these studs and should look for a take-off pair, he had a pair available and offered them to me. Namibia is (relatively speaking) just around the corner, so I jumped at the chance. This was about 6 weeks ago. I didn't realise they would take quite so long to get to me.... They went through at least 4 pairs of hands to get to me - no postal service involved!
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1948 CJ2A #204853 in South Africa
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