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Old 03-27-2015, 02:34 PM
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how to chop convertible top on 1950 ford convertible

I was wondering how to chop my convertible top on my 1950 ford convertible. I have some ideas but I I'm not that sure. Is it possible someone knows how and can give me advise. thanks jerry

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Old 03-27-2015, 02:56 PM
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Do you plan on chopping the convertible top frame so it will still fold? I have to say, that is asking a LOT. I have never done one, but have chopped a number of tops and have worked with top irons and the complexity of those top irons are pretty high. To change them in any way would be one hell of a feat if you ask me.

To lower the whole thing down, now that's possible. But how it would fold, not so sure.

I would love to see how this could be done my self. Hope someone responds with some good info as I am curious as hell.


Brian
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Old 03-27-2015, 11:44 PM
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carson top ?

Most of the ones I've seen chopped had a lift off carson top. but here's one with a rag top. The one around here came from Calif and after a cold winter Duke put a metal top on it.
https://www.youtube.com/watch?v=F4Ht_9N2SpE

I bought My 28 A roadster from my brother who bought it from his brother-in-law and has 2 in chopped windshield posts and I was told a 32 top frame, No upholstery just the frame and I have never folded it to see how it works.

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Old 03-28-2015, 09:48 PM
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I would almost think that the first thing to do would be to shorten the windshield to the height you wanted. Then lower the rear to match the windshield. Then shorten the length of the top to fit the windshield header. Next would be to shorten the pivoting arms.

Or get Bill Hines to do it for you. He did the one below.

BB
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Old 03-28-2015, 10:31 PM
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Originally Posted by boothboy View Post
I would almost think that the first thing to do would be to shorten the windshield to the height you wanted. Then lower the rear to match the windshield. Then shorten the length of the top to fit the windshield header. Next would be to shorten the pivoting arms.

Or get Bill Hines to do it for you. He did the one below.

BB
You are close to right BB but when he chops the windshield it will move forward and he will have to lengthen the front section of top irons. With luck, maybe he could move the main mounting point of the top irons forward and down a like amount and keep that to a minimum but I doubt it. The flat area that runs from the rear of the door glass to the windshield frame will end up longer. If you move the mouning point forward, you will end up with the curved portion of the irons running past the door glass and that will create problems. I am sure it can be done but it will take some fooling around with it.

The good thing about a Ford is it is all flat glass.

It would be a fun project.

John
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Old 03-29-2015, 09:25 AM
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Originally Posted by John long View Post
You are close to right BB but when he chops the windshield it will move forward and he will have to lengthen the front section of top irons. With luck, maybe he could move the main mounting point of the top irons forward and down a like amount and keep that to a minimum but I doubt it. The flat area that runs from the rear of the door glass to the windshield frame will end up longer. If you move the mouning point forward, you will end up with the curved portion of the irons running past the door glass and that will create problems. I am sure it can be done but it will take some fooling around with it.

The good thing about a Ford is it is all flat glass.

It would be a fun project.

John
Duuuuh, Ray Charles could of seen that!

BB
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Old 03-29-2015, 11:15 AM
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This is a little hint into the world of chopping a convertible top. Moving these points moves the top irons feet away, up or down or forward or back. These are just a few of the many adjustments in the system. And that 50 Ford top is pretty much exactly like this, at least that is what I was told, that these tops are all pretty similar from the late forties up across all makes and models.







These photos represent just few of the adjustments on these tops that make it fit the windows and of all things the cloth top. Why would you need to make it fit the cloth top when the cloth top can be cut anyway you want you ask? Well the top needs to fold a certain way with the irons, it is all a matched pair like I never would have thought before doing this project. I thought it was complicated, but not as much as before I delve into that baby. Without the help of Dan on the upholstery forum here on Hotrodders and others I would have gave up after ruining the new top and went to a pro.

So my regular old hot rod skills would tell me that if you shortened all the braces equally to lower the top it would all work fine, NOPE after you think about it a bit more, they are all going at different angles which means the amount cut could change the radians! So to calculate how much to cut each one in relation to the angle would be needed. This is all past my "yo yo" (what a machinist friend of mine calls a tape measure) limited skills.

Like I said, I am damn curious as to how the hell you could pull this off. Obviously it's possible, so how do they do it?

Brian

Last edited by MARTINSR; 03-29-2015 at 11:20 AM.
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