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CJ2A mirror arm |
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rocnroll 
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 Posted: 08 Jan. 2008 at 12:41am |
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I haven't been paying attention when you were doing the R&D on this, are the 'longer arms' referred to like the one I pictured (2 pc.) or is the arm itself just a longer one piece arm?
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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48cj2a
Bantam Trailer Moderator 
Sponsor Member Joined: 22 July 2005 Location: Central, IL Status: Offline Points: 4521 |
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Posted: 08 Jan. 2008 at 1:34am |
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Art C USAF (Retired)
47 CJ2A #134955 Project 48 CJ2A #206759 62 L6226 Station Wagon #58167 10900 45 T3-C #191 Project http://www.bantamt3c.com http://www.48cj2a.com |
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samcj2a
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Posted: 08 Jan. 2008 at 1:39am |
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Art,
What are the part numbers and what are the dimensions of the arms? If it is a 5" mirror, then that's got to be thje longer arm.
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Jus*Jack
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Posted: 08 Jan. 2008 at 1:54am |
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Yup...count me in for 2 as well, Matt.
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Seeya!
<Jack> '48 CJ2A 197207 "Junebug" '48 CJ2A 191237 "Turquoise" |
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trader_reed
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Posted: 08 Jan. 2008 at 2:18am |
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Thanks Art! Are those yours? If so can I get some measurements. Roc, the longer arms I plan on making are a OAL 16" 3/4 seamless carbon steel tubing with the lower base end reinforced .210 +/- .010 and a mirror end .110 +/- .010 just like the original I own. This week I'm going to x-ray my 3A arm to see how much the end is reinforced. I'll post a picture of the film for all to see.
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trader_reed
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Posted: 08 Jan. 2008 at 2:24am |
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Thanks Jack! That makes 12 "accounted" for and I'm going to hold it there for now, just in-case something happens
 If these 12 go off with out a hitch I'll offer up the other two.
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48cj2a
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Posted: 08 Jan. 2008 at 2:54am |
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Matt ment to get in for one earlier too, but I can wait if need be.
I wish the NOS Truck mirrors were mine... just a picture for reference.
I bid on some like them twice and they were about as bad as bidding on NACOs.
Part number is in the file name 666767 if you check properties.
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Art C USAF (Retired)
47 CJ2A #134955 Project 48 CJ2A #206759 62 L6226 Station Wagon #58167 10900 45 T3-C #191 Project http://www.bantamt3c.com http://www.48cj2a.com |
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sean
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Posted: 08 Jan. 2008 at 3:01am |
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Matt:
Bolt and screw sizes are the actual sizes, but holes are just a tad bigger to allow easy fit. There's an interesting read here. They have some bizarre drill sizes!: Tap & Drill IndexSean |
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samcj2a
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Posted: 08 Jan. 2008 at 3:02am |
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That is the number for the 3A mirror assembly in the '49 Parts List so it was used on more than the truck, I gather.
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sean
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Posted: 08 Jan. 2008 at 3:08am |
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Sam:
I've updated the parts project mirror post. Check it out, I think you'll like it! (be sure to go to the end). Outside mirror Sean |
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samcj2a
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Posted: 08 Jan. 2008 at 3:10am |
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Great reference, Sean. Those numbered drill sizes are usually found only in machine shops. I'm looking at an old Morse Machinist's Practical Guide that is a 90 page spiral bound 3 1/4" by 5 1/4" pocket book from the dark ages that I can barely read. it's nice to see a table with numbers that I can see!
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Randy Snyder
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Posted: 08 Jan. 2008 at 3:25am |
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Matt,
If there's a waiting list, put me down for two!
Thanks,
Randy
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'46 2A #13943
'46 2A #26236 '45 T3-C #436 |
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samcj2a
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Posted: 08 Jan. 2008 at 3:27am |
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Yes, that reputed NOS at the end appears to be like the one I got from hillbilly21. I hadn't noticed before, but while the back of the mirror is crumbly rust, the mirror retainer ring is all there - no doubt stainless. Also, it has the flats on the stud. Too bad, that as Paul accurately described, the mirror is "NFG". I'll put that arm on the '47 and use the one the Matt is making for the '46.
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trader_reed
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Posted: 08 Jan. 2008 at 4:09am |
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Art and Randy don't worry I'll hook you guys up if I can, I may make 20
 and drop the longer 3A arms. The longer arms are much better design in my opinion! the ends are stronger and the mounted mirror height is driver friendly. I was using a 3A arm on my Jeep and was happy.
Sean, thanks for the link. We have a huge board in the shop with all that data, it makes it simple! I've all those drill bits too
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bkreutz
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Posted: 08 Jan. 2008 at 5:22am |
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Matt,
I would be interested in one also, you can put me on the second list. My shoulder replacement is 2 weeks from today, couple of months recovery, then I can start working on the Jeep again so it will be a while before I have to think about rearview mirrors  . I've got an original base bracket and am looking at it trying to figure out how hard it would be to reproduce it. (it's got some interesting notches that I presume are to limit the swing of the arm, or so it seems.) Anyway, thanks again for all you contribute here. |
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rocnroll
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Posted: 08 Jan. 2008 at 5:54am |
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Wouldn't those made of stainless that you mentioned be stouter? If you were doing them for the same price that seems like the way I would go.
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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trader_reed
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Posted: 08 Jan. 2008 at 11:48am |
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Gale, I think the number is going to be around 20 so your in (I think)
Roc, I have the stainless tubing in stock. Do you want the short 2A arm or longer 3A arm? Yes these few will be the same price and should be very strong.
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trader_reed
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Posted: 08 Jan. 2008 at 2:44pm |
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Ok, I ordered enough tubing to make 20 arms but I went with a little thicker walled tubing so the ends are stronger and won't vibrate the mirror as much. 0.625 (5/8) with a wall thickness of 0.058 instead of the 0.049. That should bring the end thickness from 0.098 to 0.116 and originals where 0.110
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rocnroll wrote: