Make Your Own Canvas Top |
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LesBerg
Member Joined: 09 Apr. 2014 Location: Athol, ID Status: Offline Points: 1554 |
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Somehow, my previous post didn't make it in... I posted that I was looking for the dimensions for the windows in the doors... Bretto, there's an update in my build thread, close to the bottom of page 8:I think I have it. Looking at the picture of the inside of the door on page 6, the rear and bottom of the window are in line with the zippered flap. With the top nearly abutting the upper flap, it's pretty easy to work out the window. Thanks for taking (and posting!) great pictures! UPDATE: I think we determined that my door frames are from a 3B, and the 2A window is significantly smaller. Mine will be the same style, but slightly different proportions.
Edited by LesBerg - 18 Jan. 2016 at 4:58pm |
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1948 CJ2A 157713 24" Stretch "Old Ironsides"
1st Armored Div 6th Infantry Reg 3rd Infantry Bn Headquarters Company #161 rubigo in quo speramus - "In Rust we Trust" |
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JEEPzilla
Member Joined: 24 May 2016 Location: Port Townsend Status: Offline Points: 23 |
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Wow, inspiring! Might give this s a go.
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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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I'm starting a top project for my cj5 and I see you offered CAD drawings I could start with and modify for my cj5. I'll share them with you if interested.
Is the cad drawing offer still good. I could also buy full size prints if you are unwilling to share the cad files but the cad files are obviously infinitely more useful for my project. Thanks |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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Here is a link to a dropbox folder:
... in there you will find all the CAD drawings. Again, I stress, don't just take these patterns and start cutting fabric. Use them as examples. Cut the fabric to fit the geometry of your jeep and bows. An original style CJ5 top is way simpler than the 10 piece early style CJ2A top.
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Thanks for the link.
I'm doing military theme but using the same bow format as your pattern. I very much like what you have accomplished and hoped to emulate your style. |
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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Two questions occurred to me as I prepare to emulate your cj2 canvas top design for my 1969 US NAVY theme CJ5...
(1) I wondered if using a double layer of canvas everywhere might offer some additional sound/temperature insulation. I would of course not need to then add again the specified reinforcement at all the attachment points. I do wonder if moisture might be trapped and create mold/mildew problems... Hmmmmmm... Any thoughts/considerations about my doing this? Has anyone else tried this? (2) I have access to waterproof duck cloth thicker than 18oz. Since I'm a cj5, obviously I'm going for style more than authenticity. Do you see any issues using that heavier material if I do my reinforcement with something thinner (and perhaps stronger)? Again, has anyone tried this? Thanks in advance. |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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the Jeep makes more noise than the outside surroundings so the canopy traps noise inside the cab much more than it keeps sounds out. For this reason, I don't believe a double layer of fabric would help with acoustics inside the cab and if anything would be detrimental. If your Jeep is anything like mine, you will get much more cold air from the gaps in the canopy or holes in the firewall that would make the fabrics insulation insignificant but I don't have any data. I'm just guessing. Would a double layer trap moisture? Probably. Would it be significant?.... Probably not. Again. No data.
One thing I would make sure is that the fabric you use complies to some mil-specs. Here is some info: http://thecj2apage.com/forums/improved-cj2a-canvas-top_topic38800_post367294.html#367294 |
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Thanks for the quick reply.
Would you be concerned if the available fabric were #7 canvas duck if reinforced with something lighter where needed? Thanks again. |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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#7 simply means that there are 7 plies to each yarn. What is the weight of the fabric? I use 18 oz per linear yard simply because it is the preferred fabric by the popular top makers like New Life, Beachwood, odcloth.com, etc. I like a heavy fabric because it does not flop in the wind so much. I have seen original tops made of all different weight fabric. Usually the fabric is doubled only in the areas where a fastener or strap is attached but I suppose there is no rule against it.
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Oh, boy. this gets confusing. Per
Numbered Ducks vs. Single Fill Ducks Numbered Ducks: "Named Numbered Ducks for the "#" like weave structure which is known as "double fill" or "plied yarn". Numbered ducks are identified by the "#" sign in front of a number from 1 to 12. This plied yarn weave makes for a tighter and stronger weave construction over single fill ducks and are used for more rugged outdoor or industrial applications. Numbered ducks will vary in weight from mill to mill and there is no real universal standard weight for each number. We have included our ounce weight per square yard in our product descriptions to lessen the confusion. #12 is our lightest weight numbered duck at 11.5 oz per square yard and #1 is the heaviest at 30 oz." ...so I simply interpreted "#7 Military cotton duck" as a bit heavier than #8. |
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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Just checked. MILSPEC #7 20oz. 'Checking on "which MILSPEC, and actual vs nominal width... I figure that if 60 nominal is actually 58-59, then it was likely pre shrunk (?).
Thanks for your help. |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Ok, gotcha.
Final question for now... the 20 oz "MILSPEC" OD material is still possible (if con firmed MILSPEC preshrunk). Do you see any negatives with my perhaps using all one size (larger) twist fasteners? I see they are available most economically in 100 piece lots. Thanks |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Sorry, I couldn't remember what you called them when I last posted.
You see now you called them C/S fasteners. You said two heights were typically used (depending on the location); more short than tall. I'm wondering if you think I can use just the taller one everywhere with the 20 oz duck (also using 20 oz as reinforcement layer.) PS. what does C/S mean. Thanks. |
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jpet
Moderator Group Sponsor Member x 5 Joined: 30 Apr. 2008 Location: Ramsey, IL Status: Offline Points: 11173 |
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C/S stands for Common Sense
The double tall turn buttons are only necessary when you are going through two grommets, i.e. sandwiching two panels. Stick with the single tall turn buttons. |
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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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Wirework
Member Joined: 22 Nov. 2016 Location: Pittsburgh PA Status: Offline Points: 17 |
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Roger.
Thanks again for the help. Please come visit my "MD Juan tub kit 1969 cj5" build on earlycj5.com; It will be a while, but I'll credit you guys when I get to the soft top ...(if I don't screw it up!) |
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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I got my top from Jpet. Its very nice! I worked the last 2 days gettting the bows fitted. Im digging it!
Whats the trick to getting the front portion of the roof tight? Ive been wetting it and leaving it in the sun. Any other tips?
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