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krautclassicparts
Samba Member
Joined: August 20, 2007
Posts: 112
Location: Germany
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 Posted: Mon May 31, 2010 7:25 am Post subject: What Kind of Split Speedo is this? |
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I found a `51 Split Speedo in my Garage and i`m wondering which kind of Split Speedo it is,because it has the Scale 0-120 kph from the left to the right side 
It looks a bit different to the normal Speedo.
Does anybody have an idea what this Speedo was made for?
Thanks Thorsten 
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johnshenry 
Samba Member
Joined: September 21, 2001
Posts: 9364
Location: Northwood, NH USA
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| Posted: Mon May 31, 2010 7:42 am Post subject: |
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That is strange. Never seen one like that before. Maybe it is from Australia where things rotate opposite from the northern hemisphere?? 
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John Henry
'57 Deluxe
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krautclassicparts
Samba Member
Joined: August 20, 2007
Posts: 112
Location: Germany
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Wiggy
Samba Member
Joined: April 17, 2003
Posts: 6601
Location: Downingtown, PA
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| Posted: Mon May 31, 2010 11:23 am Post subject: |
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I doubt its for a VW. Missing shift marks based on the date and its not RHD. Part number doesnt look to be VW either. Pretty cool though.
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Kevin "Wiggy"
My 58 Ghia Vert
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krautclassicparts
Samba Member
Joined: August 20, 2007
Posts: 112
Location: Germany
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virtanen
Samba Member
Joined: January 08, 2006
Posts: 1461
Location: Finland
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| Posted: Mon May 31, 2010 12:13 pm Post subject: |
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| Have you tried to turn it in cable hole, does it need to turn "backwards", an other direction than normal speedo? Or does it have "reverse gear" inside to change the direction? |
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rlegg
Samba Member
Joined: January 27, 2006
Posts: 96
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| Posted: Thu Jun 17, 2010 5:41 am Post subject: |
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| Wiggy wrote: |
| based on the date and its not RHD. |
The first RHD made in the factory was in 1950 
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johnshenry
Samba Member
Joined: September 21, 2001
Posts: 9364
Location: Northwood, NH USA
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| Posted: Thu Jun 17, 2010 6:37 am Post subject: |
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| virtanen wrote: |
| Have you tried to turn it in cable hole, does it need to turn "backwards", an other direction than normal speedo? Or does it have "reverse gear" inside to change the direction? |
Did you get a chance to try this? I am very interested in what this test yields.
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Wiggy
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Posts: 6601
Location: Downingtown, PA
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| Posted: Thu Jun 17, 2010 7:18 am Post subject: |
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| rlegg wrote: |
| Wiggy wrote: |
| based on the date and its not RHD. |
The first RHD made in the factory was in 1950 |
Yeah - I know that. My point was the speedo is missing shift marks. The date on the speedo is 12.1951 - so it should have shift marks.
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Kevin "Wiggy"
My 58 Ghia Vert
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Blue Baron
VW Aficionado
Joined: June 16, 2006
Posts: 24059
Location: Southeast USA
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| Posted: Thu Jun 17, 2010 10:40 am Post subject: |
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| Wiggy wrote: |
| I doubt its for a VW. |
I was going to say, how do you know it's VW? VDO made speedomwthers for several German makes.
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bnicho
Samba Member
Joined: December 10, 2009
Posts: 23
Location: Melbourne, Australia
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| Posted: Thu Jun 17, 2010 4:27 pm Post subject: |
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| johnshenry wrote: |
| That is strange. Never seen one like that before. Maybe it is from Australia where things rotate opposite from the northern hemisphere?? |
We didn't have any VW's that early.
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Gabass
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Joined: August 27, 2012
Posts: 43
Location: Watkinsville, GA
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| Posted: Tue Oct 08, 2013 2:56 pm Post subject: |
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| That part number is a early vw speedometer part number. It obviously has to hook up to the right wheel on a bug, but the end comes out the wrong side for that, unless you have a longer speedo cable to bend around to the speedo. Maybe made custom for VW by VDO for a trike or racer. Is there a calibration stamp on the back? If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
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johnshenry
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Joined: September 21, 2001
Posts: 9364
Location: Northwood, NH USA
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| Posted: Wed Oct 09, 2013 10:27 am Post subject: |
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Did all RHD cars have these reversed speedos? It never occurred to me that if the cable was connected to the right wheel, it would have to rotate the needle this way. And RHD owners out there have details? Any pics under hood of RHD cars, even ovals??
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56reddy
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Joined: October 22, 2005
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| Posted: Wed Oct 09, 2013 11:56 am Post subject: |
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| Gabass wrote: |
| If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
I have MPH speedo with WO.78 stamped on the back. Would this still be calibrated for beetle? It also has 113957023 stamped on the back as well.
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johnshenry
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Joined: September 21, 2001
Posts: 9364
Location: Northwood, NH USA
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| Posted: Wed Oct 09, 2013 12:39 pm Post subject: |
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| 56reddy wrote: |
| Gabass wrote: |
| If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
I have MPH speedo with WO.78 stamped on the back. Would this still be calibrated for beetle? It also has 113957023 stamped on the back as well. |
Yes, an MPH speedo is calibrated to a number that represents how many thousand RPMs the wheel will turn at 60mph. 0.78 means the wheel will rotate at 780rpm at 60mph.
KPH speedos are cal'ed by number a little differently, 0.49 means the number or rotations that the wheel will turn if the car is moved exactly 1 meter. This may also translate to a RPM.vs speed number, but that is how I remember it.
Both of course are dependent on tire size and calibrated to a specific stock tire size.
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John Henry
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Gabass
Samba Member
Joined: August 27, 2012
Posts: 43
Location: Watkinsville, GA
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| Posted: Wed Oct 09, 2013 1:32 pm Post subject: |
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| johnshenry wrote: |
| 56reddy wrote: |
| Gabass wrote: |
| If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
I have MPH speedo with WO.78 stamped on the back. Would this still be calibrated for beetle? It also has 113957023 stamped on the back as well. |
Yes, an MPH speedo is calibrated to a number that represents how many thousand RPMs the wheel will turn at 60mph. 0.78 means the wheel will rotate at 780rpm at 60mph.
KPH speedos are cal'ed by number a little differently, 0.49 means the number or rotations that the wheel will turn if the car is moved exactly 1 meter. This may also translate to a RPM.vs speed number, but that is how I remember it.
Both of course are dependent on tire size and calibrated to a specific stock tire size. |
Exactly. KMH speedos say .49 because it takes 490 revolutions per minute of the stock tire for the speedo to read 60 kmh. MPH speedos say .78 because it takes 780 rpm at the tire to read 60 MPH. This is only true for split beetles (non zwitter). Speedos on bugs zwitter through 1971 were stamped W0.50 for KMH and W0.80 for MPH since the stock tire size changed and was a little smaller. 1972 bug speedos were stamped W0.82 although the gearing inside was the same. |
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56reddy
Samba Member
Joined: October 22, 2005
Posts: 774
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| Posted: Wed Oct 09, 2013 1:32 pm Post subject: |
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| johnshenry wrote: |
| 56reddy wrote: |
| Gabass wrote: |
| If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
I have MPH speedo with WO.78 stamped on the back. Would this still be calibrated for beetle? It also has 113957023 stamped on the back as well. |
Yes, an MPH speedo is calibrated to a number that represents how many thousand RPMs the wheel will turn at 60mph. 0.78 means the wheel will rotate at 780rpm at 60mph.
KPH speedos are cal'ed by number a little differently, 0.49 means the number or rotations that the wheel will turn if the car is moved exactly 1 meter. This may also translate to a RPM.vs speed number, but that is how I remember it.
Both of course are dependent on tire size and calibrated to a specific stock tire size. |
And now I know....Thanks for the reply. I love the Samba!
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kevm
Samba Member
Joined: January 19, 2004
Posts: 263
Location: UK
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| Posted: Wed Oct 09, 2013 2:39 pm Post subject: |
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| johnshenry wrote: |
| Did all RHD cars have these reversed speedos? It never occurred to me that if the cable was connected to the right wheel, it would have to rotate the needle this way. And RHD owners out there have details? Any pics under hood of RHD cars, even ovals?? |
On all the RHD VWs I have owned the speedo cable is longer (tube is also longer) and is attached to the left side wheel same as a LHD car !
Good guess though |
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splitjunkie
Samba Member
Joined: April 04, 2006
Posts: 4092
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| Posted: Wed Oct 09, 2013 4:31 pm Post subject: |
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| johnshenry wrote: |
| 56reddy wrote: |
| Gabass wrote: |
| If it's anything other than W0.49 I'd say it was built custom by VDO for something sponsored by VW and there is only one in existence exactly like this. |
I have MPH speedo with WO.78 stamped on the back. Would this still be calibrated for beetle? It also has 113957023 stamped on the back as well. |
Yes, an MPH speedo is calibrated to a number that represents how many thousand RPMs the wheel will turn at 60mph. 0.78 means the wheel will rotate at 780rpm at 60mph.
KPH speedos are cal'ed by number a little differently, 0.49 means the number or rotations that the wheel will turn if the car is moved exactly 1 meter. This may also translate to a RPM.vs speed number, but that is how I remember it.
Both of course are dependent on tire size and calibrated to a specific stock tire size. |
made an incorrect assumption so deleted post.
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Last edited by splitjunkie on Wed Oct 09, 2013 6:21 pm; edited 1 time in total |
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Gabass
Samba Member
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Posts: 43
Location: Watkinsville, GA
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| Posted: Wed Oct 09, 2013 5:25 pm Post subject: |
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| I was suggesting that it was hooked up to the right wheel on a custom car. |
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