Specs for Roadster Windshield Wipers

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Edwin Ek
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Specs for Roadster Windshield Wipers

#1 Post by Edwin Ek » Thu Apr 12, 2018 9:20 pm

For a '62, if different than for a T-5. What is the length of the wiper arm and metal blade (which holds the rubber inserts)? Is the same setup used in other models or years? Rumor has it that the information is in A Restorer's Guide to Authenticity, but I can't find my copy.

What is a source for the blades and rubber inserts?
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Re: Specs for Roadster Windshield Wipers

#2 Post by Jon Bunin » Thu Apr 12, 2018 11:34 pm

Edwin,

According to the T6B parts book, Nachtrag Ersatzteil - Katalog 356B (Supplement to Catalogue of Spare Parts 356B)...
"Windshield wiper spare parts for the Roadster model are to be taken from the spare parts catalog 356 B, Illustration 9/2"

The T5 Roadster and Carrera used SWF windshield wipers, as opposed to Bosch for the other models. So unless someone else presents evidence to the contrary, all T5 and T6 Roadsters used the same SWF wiper parts.
If you'd like to see examples of these, it will take me a little while to measure & photograph some. By the way, the SWF wiper arms are left & right handed.
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Re: Specs for Roadster Windshield Wipers

#3 Post by Edwin Ek » Fri Apr 13, 2018 1:00 am

Jon, if you wouldn't mind, measurements and pictures would be fantastically helpful!
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Re: Specs for Roadster Windshield Wipers

#4 Post by John Brooks » Fri Apr 13, 2018 1:27 am

Edwin

Measurements of what? Arm, blade, stump? T5 Drauz through D'Ieteren body cars use the same wipers.
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Re: Specs for Roadster Windshield Wipers

#5 Post by Jon Bunin » Fri Apr 13, 2018 1:44 am

Edwin, here are examples of original T5 Roadster wipers, which the T6B parts supplement indicates were the same for T6 Roadsters.
The blades are 260 mm long, as it says on the box label. The box is stamped with the Porsche part number.
The SWF arms are marked L and R accordingly, under the shepherd's crook. There were also RHD wiper arms for Roadsters, so four different versions.
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Re: Specs for Roadster Windshield Wipers

#6 Post by Steve Kram » Fri Apr 13, 2018 11:32 am

From Brett Johnsons book pg 57 (and my own car), the T5 Roadsters had the SWF 2400 arms and blades fitted. The arms have set screws to hold the blades

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Re: Specs for Roadster Windshield Wipers

#7 Post by Edwin Ek » Fri Apr 13, 2018 11:56 am

Jon, John, and Steve, thanks for the assistance! Do the SWF 2400 blades measure 260 mm? You might guess they measure 240mm.
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Re: Specs for Roadster Windshield Wipers

#8 Post by Steve Kram » Fri Apr 13, 2018 12:31 pm

Arm is 11" and the blade is 9 1/4" long

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Re: Specs for Roadster Windshield Wipers

#9 Post by Edwin Ek » Fri Apr 13, 2018 12:49 pm

Hmmm, 9.25" is very close to 24 cm or 240 mm. However, Jon's box is compelling evidence, if that is the right part number stamped on it.

A 20-mm difference (260 mm - 240 mm) is 0.8". The Roadster windshield is a little shorter.
Last edited by Edwin Ek on Fri Apr 13, 2018 1:27 pm, edited 1 time in total.
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Re: Specs for Roadster Windshield Wipers

#10 Post by Steve Kram » Fri Apr 13, 2018 1:18 pm

B. Johnsons book shows a wiper arm with a nut at the end to attach a wiper blade for at T-5 Roadster. Seems to say the same for T-6 Roadster too.

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Re: Specs for Roadster Windshield Wipers

#11 Post by Edwin Ek » Fri Apr 13, 2018 1:28 pm

Steve Kram wrote:B. Johnsons book shows a wiper arm with a nut at the end to attach a wiper blade for at T-5 Roadster. Seems to say the same for T-6 Roadster too.
That's not right for a '62 Roadster. Don't know for an earlier one.
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Re: Specs for Roadster Windshield Wipers

#12 Post by Jon Bunin » Fri Apr 13, 2018 2:03 pm

Edwin Ek wrote:Jon's box is compelling evidence, if that is the right part number stamped on it.
Yes, that is the correct part number stamped on the box.
No 356B cars had wiper arms with set screws or nuts to hold the wiper blades.
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Re: Specs for Roadster Windshield Wipers

#13 Post by Edwin Ek » Fri Apr 13, 2018 2:44 pm

Jon, thank you very much! I consider this case closed.
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Re: Specs for Roadster Windshield Wipers

#14 Post by Jon Bunin » Fri Apr 13, 2018 4:55 pm

Edwin, I'm certainly open to seeing other convincing evidence on this subject.
The best evidence would probably be detailed photos from the early 60s, because wiper blades were often changed after only a few years from new.
The box & blades in my photo are genuine replacement parts from the 60s.
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Re: Specs for Roadster Windshield Wipers

#15 Post by Steve Kram » Fri Apr 13, 2018 6:17 pm

I think the distinction that Dr. Johnson was making was between B cars and B Roadsters.
That is where I got my info.
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