1963 square back

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Gilly1971
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Joined: 6th January 2018 - 7:50am

1963 square back

Post by Gilly1971 » 6th January 2018 - 8:03am

Hi I have a 1963 square back and need a few parts i.e. Steering column rear bumper and brackets the two small brackets that fit in window reveal that pop out window hook round twin carb linkage and early number plate light I have the plastic but need the bulb holder.cheer paul

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vwadam
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Re: 1963 square back

Post by vwadam » 10th January 2018 - 7:17pm

How good does the rear bumper need to be. I have one which has been re-chromed but has a ding in the middle of it....

Gilly1971
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Re: 1963 square back

Post by Gilly1971 » 11th January 2018 - 7:39am

Thanks for replying. That sounds ok to me. Do you have a price in mind? Would you be able to post? Chrees paul

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vwadam
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Re: 1963 square back

Post by vwadam » 11th January 2018 - 10:02pm

Where are you for postage?

Gilly1971
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Re: 1963 square back

Post by Gilly1971 » 12th January 2018 - 7:31am

I'm n Sunderland sr6 8 ee

Gilly1971
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Re: 1963 square back

Post by Gilly1971 » 17th January 2018 - 3:35pm

I also need a 12 volt wiper motor if any one can help cheers paul

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Danny Lord
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Re: 1963 square back

Post by Danny Lord » 17th January 2018 - 7:05pm

Gilly1971 wrote:
17th January 2018 - 3:35pm
I also need a 12 volt wiper motor if any one can help cheers paul
I may have one I'll check at the weekend.
Got a Notch? www.facebook.com/groups/327056744047848/

Gilly1971
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Re: 1963 square back

Post by Gilly1971 » 17th January 2018 - 8:23pm

Cheers Danny much appreciated

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Danny Lord
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Re: 1963 square back

Post by Danny Lord » 20th January 2018 - 1:45pm

I do have one, £35 posted. pm me if still interested.
Got a Notch? www.facebook.com/groups/327056744047848/

Gilly1971
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Re: 1963 square back

Post by Gilly1971 » 20th January 2018 - 6:35pm

Pm sent

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miketyp3
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Location: Northampton

Re: 1963 square back

Post by miketyp3 » 29th January 2018 - 6:08pm

Bare in mind post 70 wiper motors don't fit earlier cars as they sweep the other way (if you look at pics of early and late cars you will see what I mean).
Mike

64 1500S Notchback - RHD Sunroof
66 1600TL Fastback - Pigalle Interior
67 T346 Karmann Ghia - RHD Sunroof

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Danny Lord
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Re: 1963 square back

Post by Danny Lord » 29th January 2018 - 7:08pm

Ah didn't know that! not sure what year the one I sent was, if it doesn't fit, send it back and I'll send a refund.
Got a Notch? www.facebook.com/groups/327056744047848/

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miketyp3
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Re: 1963 square back

Post by miketyp3 » 29th January 2018 - 7:45pm

If the spindles have threads for nuts then its a later one.
Use a 6v bulb wired in series with the original wiper motor to convert it to work on 12v.
Mike

64 1500S Notchback - RHD Sunroof
66 1600TL Fastback - Pigalle Interior
67 T346 Karmann Ghia - RHD Sunroof

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Editor
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Re: 1963 square back

Post by Editor » 31st January 2018 - 3:20am

I've not heard of a 6V bulb being used in series before - what sort of current would it need to pass? Presumably about what the motor uses. Indicator or headlight bulb? You might need to take care with heat dissipation.
Dave.

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broady_6
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Re: 1963 square back

Post by broady_6 » 31st January 2018 - 8:20pm

yeah in series the bulb would be the same current as the motor, its the voltage which is split. A standard brake bulb is typically 21W. P/V=I

21/6=3.5amps I guess the motors more than that

Edit sorry i read early car and assumed it was a 6v system.

21/12=1.75 Amps
The sultan of swing

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937carrera
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Re: 1963 square back

Post by 937carrera » 31st January 2018 - 10:23pm

Don't you need to know the wattage of the motor, and using volts get the current the motor requires. The resistor in series (AKA brake bulb) then needs to handle that same current so that the voltage is split equally between motor and resistor. Unfortunately it gets more complicated with a two speed motor.

You can buy high current heat dissipating resistors, I have had to revise my O level physics when installing a "simple" voltage drop arrangement on my truck to drop voltage for a second 7 pin socket to allow a trailer to connect up with 12V bulbs as well as 24V bulbs. 24V is much more resilient to grotty connections.

Good old Ohms law :)
David
1974 412LS Variant
1973 412LE 4 door Fastback / Saloon

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broady_6
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Re: 1963 square back

Post by broady_6 » 31st January 2018 - 10:49pm

You dont, just the current draw. As the current over the bulb and the motor will be the same. Which is what I was getting at above with my maths. Ie showing that a bulb wouldn't really handle sufficient current to do this safely. As you say a heat dissipating resistors the way to go with a nice little sink on it. I could even been done with a variable resistor and some clever trickery to allow two resistances for the two speeds.

It can all be fathomed with V=IR and P=IV or combinations there of.
The sultan of swing

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937carrera
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Re: 1963 square back

Post by 937carrera » 31st January 2018 - 11:26pm

I think we're on the same page Broady - I agree current over the bulb and motor will be the same, I was simply starting at the motor end to determine the current draw as motors are generally rated in Watts, without stating current draw. The other way is that the wattage of the bulb/resistor needs to be the same as the motor to split the voltage equally. BTW I am aware we're simplifying this by ignoring power factors and nature of the loads.

I hope the OP is still with us, long story short, it's doubtful that a simple bulb will manage the voltage drop requirements correctly. (especially as he's probably the nearest member to me) :)
David
1974 412LS Variant
1973 412LE 4 door Fastback / Saloon

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