QD hub dismanteling

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paul.wirdnam
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Re: QD hub dismanteling

Postby paul.wirdnam » Thu Sep 12, 2019 12:06 pm

Vincent, my 3 stud QD looks to have been spot welded:

Image
'28 Model B (future project), '30 Model F, '31 SF31, '35 4F, '38 VB (abandoned project), '39 4G (current project), '46 VH, '48 KG

Paul

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Vincent.vanGinneke
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Re: QD hub dismanteling

Postby Vincent.vanGinneke » Thu Sep 12, 2019 2:02 pm

Paul, At the off side I dont see any welding marks, the drum side however looks to be swaged on to the tube.
Punch marks are mine for reference.
Best bet will be to remove the off side I think.
Thinking about the needed tooling now..

IMG_3209.JPG
IMG_3208.JPG
IMG_3207.JPG
IMG_3206.JPG

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Vincent.vanGinneke
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Re: QD hub dismanteling

Postby Vincent.vanGinneke » Thu Sep 19, 2019 11:05 pm

Bob, here a your pictures! , and yes, I can now verify that the flange on a QD hub is pressed on.
I only went a tiny bit bezirk on making these bits to get it off :shock: + that I like things to be substantial .
On the positive side; I now have forever a nice set of special tools to take QD hubs apart :D
dismanteling QD hub  (8).JPG

Above and clockwise from 10 o'clock;

Flat 12mm plate with hole large enough to pass the off-side flange through.
70mm high and 230mm in diameter slice from a old fire extinguisher to place hub in.
solid bit to press down the hub's center tube.
2 part clamp, slide fit around the hub's center tube.

Place under fly press and in no more then 2 seconds, job done.
dismanteling QD hub  (14).JPG

dismanteling QD hub  (15).JPG


Now on to making extra flange to take those 3 studs and 9 dowels..
Oh, small detail: this will be the one and only 40 spoke 3 stud QD hub...

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Re: QD hub dismanteling

Postby david.anderson » Fri Sep 20, 2019 5:47 am

Vincent
After the work that you have gone to in order to press the hub apart, surely you can now machine a new flange for 36 spokes and press that on. (if you had not have told us we would not have known but now that we know someone will forever be pointing out the error.)
David

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Vincent.vanGinneke
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Re: QD hub dismanteling

Postby Vincent.vanGinneke » Fri Sep 20, 2019 8:13 am

David, very true.

侘 寂 This beautiful by imperfection hub will from now on be known as the Wabi Sabi Hub !

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Bob.Murphy
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Re: QD hub dismanteling

Postby Bob.Murphy » Fri Sep 20, 2019 9:51 am

Well, I learn something new every day . . .

"In traditional Japanese aesthetics, wabi-sabi (侘 寂) is a world view centered on the acceptance of transience and imperfection. The aesthetic is sometimes described as one of beauty that is "imperfect, impermanent, and incomplete". It is a concept derived from the Buddhist teaching of the three marks of existence (三法印, "

I thought that 'Shinto' was the Japanese religion but it appears that Buddhism is more prevalent nowadays . . .

"Shinto and Buddhism are Japan's two major religions. Shinto is as old as the Japanese culture, while Buddhism was imported from the mainland in the 6th century."

Thank you for the pictures, Vincent, I'm glad it isn't only me that spends far too long making special tools to do 'one-off' jobs (you should see my lovely machined Ariel Clutch Centre puller and the milled plate on which I turn Tiger Cub brake shoe linings to size) :lol:

A lovely job, I look forward to pictures of the completed wheel which hopefully won't be imperfect, incomplete or transient ;) .

Bob.
My avatar shows the late Len Rich in 1970 with the bike I now have - a 1958 Ariel VH

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paul.wirdnam
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Re: QD hub dismanteling

Postby paul.wirdnam » Fri Sep 20, 2019 9:19 pm

Amazing work Vincent, well done.
'28 Model B (future project), '30 Model F, '31 SF31, '35 4F, '38 VB (abandoned project), '39 4G (current project), '46 VH, '48 KG

Paul

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Re: QD hub dismanteling

Postby Vincent.vanGinneke » Fri Sep 27, 2019 11:15 pm

On to relocating of the holes...
Welded up 4 of 5
relocating QD holes  (8).JPG

relocating QD holes  (11).JPG

That one remaining hole is used to determine the place of the other two
relocating QD holes  (4).JPG
relocating QD holes  (2).JPG

Now those other nine !
relocating QD holes  (1).JPG

Inner hole in disc is going to go larger later on, should finally look like this :
Rigid QD 3 stud.jpg
Rigid QD 3 stud.jpg (85.51 KiB) Viewed 3704 times

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Vincent.vanGinneke
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Re: QD hub dismanteling

Postby Vincent.vanGinneke » Fri Oct 11, 2019 9:10 am

Almost there, some fiddling needed to those 9 holes...
QD rear ISDT  (2).JPG

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Re: QD hub dismanteling

Postby brenton.roy » Fri Oct 11, 2019 11:12 am

Amazing work Vincent. You Dutchies are very clever people. :idea:
'51,'56 Squares, '48 VH, '27 Model C, R67/2, Mk IV Le Mans, '06 Super Duke and Ariel projects.


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