[Shop-talk] power hatch opener/closers

[John T. Blair]

Gang,

You all were so great at my last question, I've got another one for you.

Anyone know how these power hatch opener & closers work?  A neighbor said she
went to pick something up and told the person putting it in the back of her SUV
NOT to close the hatch, she'd get it.  But the person grabbed the 
hatch and pulled
it down.  Ever since it has been intermittant.

I went looking for any info I could find on how they work and I couldn't find
anything.  I was thinking there were linear actuactors.  But if that 
were the case
I don't think they should have been able to close the hatch manually.  I though
a linear actuactor was basically a long bolt (all thread) attached to 
a motor with a
nut that was attached to the item you wanted to more.  If that's the case, then
you shouldn't be able to force the hatch closed as the nut would not 
slide on the
rod and the rod wouldn't turn to let the nut slide down.

So what's in those tubes?  From what I can tell, one is an assist strut (I'm
assuming gas filled) and the other is the actual lifting/closing unit.

John


John T. Blair  WA4OHZ     email:  jblair1948 at cox.net
Va. Beach, Va                  Phone:  (757) 495-8229

           48 TR1800    48 #4 Midget    65 Morgan 4/4 Series V (B1106)
      75 Bricklin SV1 (#0887)    77 Spitfire    71 Saab Sonett III
                        65 Rambler Classic

Morgan:    www.team.net/morgan
Bricklin:     www.bricklin.org

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