DeDion

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juvela

I live for the CABE
Aug 2, 2014
1,379
Playa del Rey, United States
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Thanks very much for sharing this! ;)

They became famous for their suspension systems for sports cars.

Were you able to identify the bare metal frame in the second image?

Appears lugless but cannot quite be sure...

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Example believed to date from ~1939 -

De Dion Bouton  headplate  .jpg


De Dion Bouton driveside  .jpg


De Dion Bouton head  .jpg .jpg


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Factory from 1924 -

De Dion Bouton1 924 factory  .jpg

Some company history here -

https://en.wikipedia.org/wiki/De_Dion-Bouton

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FSH

Finally riding a big boys bike
Aug 27, 2018
365
Corona
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Thanks very much for sharing this! ;)

They became famous for their suspension systems for sports cars.

Were you able to identify the bare metal frame in the second image?

Appears lugless but cannot quite be sure...

---

Example believed to date from ~1939 -

De Dion Bouton  headplate  .jpg


De Dion Bouton driveside  .jpg


De Dion Bouton head  .jpg .jpg


---

Factory from 1924 -

De Dion Bouton1 924 factory  .jpg

Some company history here -

https://en.wikipedia.org/wiki/De_Dion-Bouton

-----
Yes, that is the DeDion side view
 
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bulldog1935

Cruisin' on my Bluebird
Jan 21, 2013
3,853
Bulverde, TX
of course, DeDion is famous for their triangular rear suspension design, 1905, originally to make a roll-proof tricycle, but the design found its way into a few sticky automobiles, as well.
paint.jpg
 
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bulldog1935

Cruisin' on my Bluebird
Jan 21, 2013
3,853
Bulverde, TX
That's quite a thumper.
Through the 50s, DeDion was the only rear suspension used in Formula 1.
Even though the suspension was designed by Bouton, DeDion has always received the credit for the patents.
SZ-RZ_09-e1421058445176.jpg
 
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1motime

Wore out three sets of tires already!
Aug 7, 2019
899
65
El Segundo, CA
That's quite a thumper.
Through the 50s, DeDion was the only rear suspension used in Formula 1.
Even though the suspension was designed by Bouton, DeDion has always received the credit for the patents.
SZ-RZ_09-e1421058445176.jpg
Shakes like an earthquake when idling. This single will smooth out and rev to around 1600 rpm! Light weight and it flies. More of an issue to hang on and hope the brakes are dry and willing! Rear brakes are for emergency. It has a driveshaft brake that does most of the work.
 

bulldog1935

Cruisin' on my Bluebird
Jan 21, 2013
3,853
Bulverde, TX
btw, it wasn't that DeDion ever produced sports car suspensions, considered them, or even used the suspension design in their own automobiles
Bouton designed it to make a tricycle roll-proof.
-Drawing_of_1900_De_Dion-Bouton_tricycle_rear_view.jpg

The dead axle rear suspension produced such high roll center (SAE racing barstools) for such low unsprung weight, once the patents expired, it was adopted by every automobile employing a prop shaft and rear transaxle and pushing the envelope, up until Cooper Climax demonstrated that with good geometry, independent double-A-arm rear suspension could get there with the edge of lower weight.
And still used on the Alfa Six, earlier and later variants.
 
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dnc1

Cruisin' on my Bluebird
Apr 1, 2016
2,073
53
Wallingford, Oxfordshire, UK
De Dion Bouton are one of the few cycle manufacturers who produced cars before going into cycle production; rather than producing bicycles, then cars/motorcycles as many companies did.
It's all tied in with the 'Dreyfuss Affair' in France at the TOC, differring political and ideological points of view and social class rivalry.
Of everything I've read, the Count de Dion was a not very pleasant man.
Le Tour de France is the result of all the shenanigans that occurred though, so "every cloud....."!
 
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bulldog1935

Cruisin' on my Bluebird
Jan 21, 2013
3,853
Bulverde, TX
De Dion Bouton are one of the few cycle manufacturers who produced cars before going into cycle production; rather than producing bicycles, then cars/motorcycles as many companies did.
It's all tied in with the 'Dreyfuss Affair' in France at the TOC, differring political and ideological points of view and social class rivalry.
Of everything I've read, the Count de Dion was a not very pleasant man.
Le Tour de France is the result of all the shenanigans that occurred though, so "every cloud....."!
Very good point. Harry M. Pope began with steel pipe/tube for boilers, water, sewer, expanded to his first love rifles and precision target sights,
before naturally moving into Pope bicycles and later, Columbia bicycles.
ed-44-1-2-Auction_100445774_50393_46138F601DE3DE5D.jpg
 
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