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zammer · 07-07-2010, 10:57 PM

I picked up some air cylinders with a 2.5" diameter and they should be good for 500 pounds of force each @ 100 PSI which should be more then adequate..
Now the only problem is I got them to fit pretty close but the required stroke length from full open to fully closed is around 6.8 - 7 Inches...
The cylinder i got has a 7.8" stroke - about an inch too much...
So what is the easiest way to reduce the stroke to what i need?
One way i have read that i can do it is by shortening the cylinder wall so the piston won't stroke as far... that seems like lots of work.
The other option i was thinking about is using some sort of stopper so when the top is at it's required retracted position - which also would be the retracted position on the cylinder, it would restrict the cylinder from closing that extra inch which would put strain on the top rack frame to try and get it to close more....
Any other ideas how to reduce the stroke?

07-07-2010, 10:57 PM	#50
zammer Addicted user Join Date: Sep 2009 Location: Edmonton, Alberta Posts: 369	Re: Blazer retractable convertible top I picked up some air cylinders with a 2.5" diameter and they should be good for 500 pounds of force each @ 100 PSI which should be more then adequate.. Now the only problem is I got them to fit pretty close but the required stroke length from full open to fully closed is around 6.8 - 7 Inches... The cylinder i got has a 7.8" stroke - about an inch too much... So what is the easiest way to reduce the stroke to what i need? One way i have read that i can do it is by shortening the cylinder wall so the piston won't stroke as far... that seems like lots of work. The other option i was thinking about is using some sort of stopper so when the top is at it's required retracted position - which also would be the retracted position on the cylinder, it would restrict the cylinder from closing that extra inch which would put strain on the top rack frame to try and get it to close more.... Any other ideas how to reduce the stroke?