Re: [DML] Re: Doors..and doing it my way.....
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Re: [DML] Re: Doors..and doing it my way.....



Does anyone know the actual compression load required to compress a new strut? 90lbs? 100lbs? No guesses pls, just actual load req'd... Thanks...

Johnny 〆 (iPod)
SN 1381

On Mar 18, 2012, at 11:28 AM, Farrar Hudkins <fhudkins@xxxxxxxxx> wrote:

> Thanks, David, for that info. I also try to avoid the bounce. I think the
> amount of "hang" may have been inflated over the years as the info got
> passed around. :)
> 
> Farrar Hudkins
> #2613
> 
> On Sun, Mar 18, 2012 at 10:56 AM, jtrealtywebspannet <jtrealty@xxxxxxxxxxxxx
>> wrote:
> 
>> **
>> 
>> 
>> I was the one who developed the "hang test". I used several cars and then
>> consulted with Rob Grady before settling on the amount the door should hang
>> open with no strut. This test is relative. It can also be affected by how
>> strong the struts you use are. It is NOT temperature dependent. I wanted to
>> have a definitive test anyone could do without tools to tell if they needed
>> struts or a torsion bar adjustment. There is no way to know exactly how
>> strong the original struts were when new so this hang test is designed to
>> use struts currently available. One problem is that different venders
>> source their struts differently and the strength can vary. If your doors
>> barely hang open you need very strong struts to hold the door all the way
>> open. Most venders do not sell struts that strong. I try to adjust the
>> torsion bar so that at around 70 degrees F the doors will open just about
>> all the way. You have to push them to full open and they will stay there
>> and not droop. This puts the least amount of stress on the roof and avoids
>> "bouncing" when opening. For those with door launchers it is not enough and
>> they will always want the doors to bounce to full open.
>> David Teitelbaum
>> 
>> 
>> --- In dmcnews@xxxxxxxxxxxxxxx, Farrar Hudkins <fhudkins@...> wrote:
>>> 
>>> All other stuff aside...
>>> 
>>> On Sun, Mar 18, 2012 at 9:30 AM, cbl302@...
>>> <cbl302@...>wrote:
>>> 
>>>> **
>> 
>>>> if you take the strut off you will notice that the door will swing down
>>>> and almost go to the closed position.
>>>> 
>>> 
>>> This is true, and it is how I determined that it was time to inspect my
>>> roof cage and see if a torsion bar adjustment was necessary. My doors
>> would
>>> close all the way with no struts attached. Brand new struts would barely
>>> hold the doors open in chilly weather (circa 60 degrees Fahrenheit). So I
>>> removed the necessary bits and made sure the roof cage was OK, and then
>>> gave the torsion bars one more notch each of tension. After this was done
>>> and everything tightened down, the doors would just hold open a little
>> bit
>>> -- about an inch from closed on the driver's side and about half an inch
>>> from closed on the passenger side. Some people would have torqued the
>> bars
>>> one more notch, but this was enough for me. I just decided to replace the
>>> struts every autumn.
>>> 
>>> For years I was told that the struts should hold the doors open six to
>>> eight inches without a strut installed. In my opinion this is too much
>>> tension -- my doors open just fine, and will stay open for hours while I
>>> work on the car, even at forty degrees or so, without sagging, as long as
>>> the struts are fresh (less than a year old).
>>> 
>>> Sorry to make this point in such a roundabout way. The point, though, is
>>> that it should be an inch or so from closing as Claude says, if you let
>> the
>>> door down gently (and why wouldn't you?), not "several inches" as was
>>> floating around for some time (I forget who said it first).
>>> 
>>> And a belated Happy St Patrick's Day to all who celebrated yesterday!
>>> 
>>> Farrar Hudkins
>>> #2613
>>> 
>>> 
>>> [Non-text portions of this message have been removed]
>>> 
>> 
>> 
>> 
> 
> 
> 
> -- 
> Sent from my laser-guided nuclear-powered refrigerator, operated by its
> crew of hyperintelligent pandimensional cyborg kittens, controlled remotely
> via telekinetic sonic screwdriver.
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
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> 


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