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Re: [Shop-talk] The biggest challenge yet (shop related)

Subject: Re: [Shop-talk] The biggest challenge yet (shop related)
From: Todd Walke <>
Date: Sun, 21 Nov 2010 18:12:27 -0800
         There are 12v-powered bill validators that you could power with a 
car battery and a solar charger.  Probably too expensive for this 
application, though...

         Here's a thought.  Inspired by the pay lockers you'd find at bus 

         Step 1:  Build a wood bin.  Think individual cubicles, each 
holding a "stack" of wood.  Each cubicle has a door with a lock.  Each lock 
takes a different key.

         Step 2: Find a cheap, used vending machine that takes 
bills.  Vending machine goes on the porch, where there is electricity and 
it's out of the weather.  Vending machine dishes out keys.  Each key has a 
tag indicating which door in the wood bin it opens.

         A sign goes at the end of the drive.  People pay at the vending 
machine, take the key and open a bin to get their wood.

         Only flaw - you'd need people to leave the key so you can re-stock 
it into the vending machine.  You could make several extra keys for each 
lock, that's cheap.  But if they keep the key, what stops them from 
returning later to open that bin again and getting free wood?  You could 
replace a lock every time someone takes the key - that'd work if the locks 
are cheap.
         Or think up a mechanism that trips when the key is turned, 
preventing the lock from rotating back to the lock position (where the key 
can be removed).  That'd work if the locks only permit the key to be 
removed in one position.

         Anyway, that's an idea off the top of my head.  If I win the 
contest I'll expect a nickel royalty per stack :)

'86 GTI, Red of course. (exciting racey car) 272,000 miles
'01 Golf TDI, silver.   (new work car)       262,000 miles
'87 Golf, Polar Silver. (retired work car)   654,000 miles <- Gone to a new 
home :( <-Ferrari & VW stuff
Suggested annual donation  $12.96

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