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-   -   convert dash clock to desk clock? (http://forums.pelicanparts.com/porsche-911-technical-forum/536447-convert-dash-clock-desk-clock.html)

nkgosselin 04-12-2010 03:28 PM

convert dash clock to desk clock?
 
I removed the clock from my 82 Targa and was wondering if any of you electric-minded folks had a cheap/simple way to power it while it was sitting on a desk?

HunterVonWurst 04-12-2010 03:44 PM

A 12vdc "wall wart" should do it. 500ma ~ 1a should be fine...

http://cache.jalopnik.com/assets/res...-Wall_Wart.jpg

tomdeg 04-12-2010 03:46 PM

I had the same thought. I think the easy way would be to buy a battery powered clock kit and put the Porsche face on it.

HunterVonWurst 04-12-2010 03:50 PM

What could be easier than walking over to your kids XBox, cutting the power supply and splicing it to the +/- leads of the clock?

nkgosselin 04-12-2010 03:52 PM

Thanks. Both ideas seem viable. Now for a trip to Radio Shack.

Todd Simpson 04-12-2010 04:29 PM

I'm sure at some point the clock was updated, but the old ones were mechanical with a little rewinding mechanism that winds the clock every minute or so.

A 9V battery will wind it, but I don't know how long it will last.

I had my clock out and sitting in the kitchen for a few days to adjust the speed, a 9V kept it running fine.

scotricker 04-13-2010 01:36 PM

I did exactly that. Spare 12v power supply that I had laying around. I got a new/used clock for the car, then had the original fixed.
So.... desk clock now.
I'll post a pic when I get home.

Wayne 962 04-13-2010 02:39 PM

The early clocks use a spring mechanism that winds itself from a solenoid about every 3-5 minutes or so. I would think a 12V mini battery from Radio Shack (the kind used in car remotes) would last for months, if not years. Must easier to go cordless in my opinion. The hard part is making it look "right" on your desk...

-Wayne

scottb 04-13-2010 03:42 PM

A guy on Rennlist did this a few years ago, and sold them. Here's what it looks like (it has a transformer at the plug-end of the wire).

http://forums.pelicanparts.com/uploa...1271202116.jpg

scotricker 04-13-2010 08:46 PM

that's what mine looks like, too!

http://forums.pelicanparts.com/uploa...1271220126.jpg

http://forums.pelicanparts.com/uploa...1271220141.jpg

http://forums.pelicanparts.com/uploa...1271220154.jpg


I thought it would be silent,,, but it's not. It ticks like a wall clock. Maybe the gears are worn out? I don't know.

I was going to finish the wood , with stain, etc. but haven't gotten around to that yet.

dtxscott 04-13-2010 09:00 PM

I have a clock out of a 964 that I would like to convert to a desk clock.

Does anybody know where I can find the wiring connections for this thing?

Tx,
Scott

OSI930 04-13-2010 09:56 PM

I started this Ducati instrument cluster desk clock using a Radio Shack power source in 1993 and it has not missed a beat.
http://forums.pelicanparts.com/uploa...1271224428.jpg

pete917 04-14-2010 12:57 AM

What a great Idea! Awesome job.

prebordao 04-14-2010 01:20 AM

A couple of years ago I made this one. A bit more complex, I used the speedo for the hours hand, the rev-counter for the minutes hand. It takes some habit to learn to "read" it though...

http://forums.pelicanparts.com/uploa...1271236832.jpg

Fishcop 04-14-2010 02:50 AM

Quote:

Originally Posted by OSI930 (Post 5294378)
I started this Ducati instrument cluster desk clock using a Radio Shack power source in 1993 and it has not missed a beat.
http://forums.pelicanparts.com/uploa...1271224428.jpg

Whoa - deja vous... 906 Paso! I loved mine ;)

sc_rufctr 04-14-2010 03:08 AM

Quote:

Originally Posted by prebordao (Post 5294465)
A couple of years ago I made this one. A bit more complex, I used the speedo for the hours hand, the rev-counter for the minutes hand. It takes some habit to learn to "read" it though...

http://forums.pelicanparts.com/uploa...1271236832.jpg

So the time is 3.10???

prebordao 04-14-2010 03:11 AM

nope, the needles only travel the upper half...

sc_rufctr 04-14-2010 03:18 AM

Quote:

Originally Posted by prebordao (Post 5294507)
nope, the needles only travel the upper half...

Now I'm confused. :confused:

What type of mechanism drives them?
When they get to the end do they swing back to the start? >>> 6.45?

prebordao 04-14-2010 04:29 AM

Sorry, I got it wrong. The hour hand is in the revcounter.
Anyway, I gutted the gauges and used 2 RC servos to drive the hands. That's why they travel only the upper half. The electronics to drive them were custom made by me.

Time is 9.59 or so... about to turn 10

pete917 04-14-2010 04:40 AM

every time I look at that clock it makes me want to go for a drive :-)


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