Forum Discussion

rwinkel's avatar
rwinkel
Explorer
Jul 02, 2014

Garage door opener as a lift for a camper shell

I have an old garage door opener that I was thinking of using as a lift for a camper shell. I'd attach it to a block and tackle to amplify the pulling force. The problem is I have no idea how much ...
Truck Campers
mkirsch's avatar
mkirsch
Nomad II
Jul 03, 2014
I'd use springs rather than a block and tackle.

Those garage door openers only have about 7' of travel, and a block and tackle reduces the available travel by whatever factor the lifting power is increased. 2X the lifting power means 1/2 the travel.

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