Instructables
Picture of Manoeuvrable Ladder
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 I was so impressed by Iceng's excellent Magic Rolling Steps Instructable, that I immediately thought I'd improve on the idea by adding castors.  This is the prototype, but castors could also be used on a full-size extending ladder to allow you to easily manoeuvre it close to the wall to get the ideal 15 degree angle.  The safe angle for a ladder is to position it one foot away from the wall for every four feet of ladder's height before you climb it.  Safety first, chindogu.

Ladders on wheels, my back thanks you.

foobear1 year ago
april fools?
AndyGadget (author)  foobear1 year ago
 
No, Chindogu. A Japanese word for things which at first sight appear to solve a problem but actually create other problems.  Have a look at the other entries in the contest.
oic ok thx.
this is my favorite!
iceng2 years ago
Ha Ha imitation is the sincerest form of flattery.
Levitation as my grandson can do will be a real asset here :-)

A
This one made me laugh - very nice!
Reffner2 years ago
I predict much pain for the person who uses this. Am I the only one who thinks this is a terrible idea? even with locking castors you couldn't pay me to step on that thing.
It's a terrible idea and that's the point! ;)

http://www.instructables.com/id/Make-it-Challenge-Chindogu/