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Roger B 
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 Posted: 18 Nov. 2008 at 7:01pm |
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Yes, the (E) 24,5" is from the tall side.
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1946 CJ2A Serial # 22728 Harvest Tan in parts
1947 CJ2A Serial #101548 Luzon Red Only 16000 km 1947? Bantam T3-C Serial # 20006 |
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jpet
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Posted: 19 Nov. 2008 at 2:43am |
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Revision 5 This latest drawing is a colaboration of Roger's, Sean's and Del's canvas. Roger's Rear roof panel is 32" tall. The bows are 31-3/4" tall. I gave them 1" to over hang the tub and 1/4" for the seam at the top that joins the roof so this drawing shows 33" tall. I also made the canvas 57-1/2" wide because the tub is 57-1/2" wide. The rear roof panel, rear panel and rear side curtain fit together like this:
 While I'm still open to revision on the rear roof panel, I am ready to start on the roof.
Here is a revised drawing of the rear panel showing the 1" overlap:
Edited by jpet - 19 Nov. 2008 at 2:54am |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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jpet
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Posted: 19 Nov. 2008 at 3:04am |
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Is there a rule of thumb on how much something like this will shrink? I wonder if I should make it oversized to compensate.
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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samcj2a
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Posted: 19 Nov. 2008 at 12:03pm |
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Jeff,
From personal experience with denim jeans in the past and recently in searching the Web for information about shrinkage of canvas, duck and cotton, I am confident that the top should be oversize to allow for at least 3 percent and as much or more than 5 percent shrinkage.
I think that the higher the thread count of the material, the greater the shrinkage will be.
The vintage photos of Jeep tops appear to show them with a very baggy fit. Also, I beleive that exposure to repeated cycles of rain and sun is the perfect recipe for shrinkage.
Also, the surviving tops appear to have shrunk just based on the discussion in this thread. Edited by samcj2a - 19 Nov. 2008 at 12:04pm |
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sean
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Posted: 19 Nov. 2008 at 2:51pm |
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Jeff:
Patterns should be made to accommodate the chosen fabric, not the other way round. Any good fabric supplier will be able to give you the specs, including shrinkage. Sounds like a case of finding a suitable fabric before setting pattern dimensions. Sean |
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jpet
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Posted: 20 Nov. 2008 at 9:53pm |
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Do any of you guys who are following the thread have a lead on where to get 18oz cotton army duck material?
Edit: I know that Beachwood has it but they want 30 bucks a yard. Edited by jpet - 20 Nov. 2008 at 9:59pm |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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samcj2a
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Posted: 20 Nov. 2008 at 10:02pm |
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Not for sure, but out of curiosity, I did a search and turned up a bunch of hits.
Here's one: http://www.ripkits.com/ArmyDuck.htm
It says the color is "natural" which is probably not what we want. My guess is that you, or someone who knew what we wanted, would need to search a bunch of places and call the more likely ones to get the details that would be important as well as pump them for sources if they don't have the right material.
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jpet
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Posted: 20 Nov. 2008 at 10:09pm |
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That's been my problem. You do a search for "army" duck but everything that shows up is "natural". Night0wl showed me a place in Roanoke that does 80% of the military canvas. They have OD 18oz but it's polyester. Of course that wouldn't shrink but it just ain't right.
Edited by jpet - 20 Nov. 2008 at 10:11pm |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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samcj2a
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Posted: 20 Nov. 2008 at 10:14pm |
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Are you confident the Beachwood supplied material is correct?
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jpet
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Posted: 20 Nov. 2008 at 10:19pm |
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Nope. Their descrption is just the closest that I've found so far. I bet they wouldn't want to send me a sample.<g>
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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samcj2a
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Posted: 20 Nov. 2008 at 10:24pm |
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I think they do sell samples. I was trying to browse their site but it was slow loading so I gave up for now. I was stuck on a search result that showed the sample for sale but the price part did not load when the site gave up.
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rocnroll
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Posted: 20 Nov. 2008 at 10:43pm |
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EDIT: Information not relevant to this project removed....
And also, Beachwood does send out samples of all the cloth they have...give 'em a call.
Edited by rocnroll - 21 Nov. 2008 at 12:35am |
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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jpet
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Posted: 20 Nov. 2008 at 11:09pm |
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Roc,
The first time the canvas gets wet and dries, it is going to shrink cosiderably more than it will in subsequent rains. (Much like the first time you wash a pair of jeans). It Is that shrink factor that I am interested in and Sean is correct. There are specs for this on each fabric. I just want to do the same thing that New Life does. We've seen Morgans top. It is oversized. I'm guessing that New Life must have a shrink factor figured in. Edit: I didn't think you were off topic. I thought you were implying that my question was silly. Edited by jpet - 21 Nov. 2008 at 2:27am |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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rocnroll
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Posted: 20 Nov. 2008 at 11:16pm |
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I tried to be helpful....I gave you first hand knowledge that Beachwood gives/sells samples. I know this for a fact as I ordered some years ago.......sorry, I'll go back to my hole now.
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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jpet
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Posted: 20 Nov. 2008 at 11:35pm |
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Come on now! You busted my chops first Don't get in a twist! It's just words Sorry!!!<humble-look>
I will call Beachwood but 30 bucks a yard might be a problem. (I said might) Let me re-phrase. Do you have a suggestion on the potential shrinkage issue? What would you do if you were me?<apologetic-humbble-sorry-face> |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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Harriet
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Posted: 20 Nov. 2008 at 11:37pm |
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Going back to Sean's comment - if you provide the most accurate information you can (which we all believe you are trying to do) - then each person who is going to make a top can take the material shrinkage into account when they plan it. I have sourced a canvas supplier here in the UK which I may use, and if so, I will also use the numbers they provide. Others will have different suppliers (and/or trimmers), so it will vary.
To put it into perspective - I have bought a sewing machine so that I can make a top - if I get it slightly wrong when I have both your data and the bows you sent me then that's my problem! I will always be grateful for the information.  JMHOBy the way, has anyone asked Robert Kirk what he thinks? I know he make Jeepster tops, whether he makes CJ tops I don't know, but he is good I believe! |
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46 CJ2A 14509
50 Jeepster 58 4WD Truck My Link I AM the understanding wife! Anyone seen my marbles? Always hoisted by my own petard! |
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jpet
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Posted: 21 Nov. 2008 at 12:20am |
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Harriet,
I agree and I'm really not too worried about the shrinkage. I was just replying to Roc's post. I think I will make the drawing dimensions reflect size that the canvas is supposed to be to fit properly. If a person like yourself choses a fabric that has a shrink spec of 5%, you can easily take each dimension and multiply by 1.05 or if you take it to a professional, they will know what to do for shrinkage. Edited by jpet - 21 Nov. 2008 at 4:27am |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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rocnroll
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Posted: 21 Nov. 2008 at 12:39am |
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Sorry, will control myself on future threads where you are collecting research and/or data.
You are right we need to stick to the business at hand and save the 'other' for different occasions.
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'47 CJ2A PU
'48 CJ2A Lefty "Common sense is not that common" |
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Is there a rule of thumb on how much something like this will shrink? I wonder if I should make it oversized to compensate.