Sunbeam-Porsche Spécial 1300 cm3 c.1952  Frame no. S8-5250 Engine no. P-22034

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Lot 219
Sunbeam-Porsche Spécial 1300 cm3 c.1952
Registration no. XML 841 Frame no. S8-5250 Engine no. P-22034

Sold for € 9,775 (US$ 10,885) inc. premium
Sunbeam-Porsche Spécial 1300 cm3 c.1952
Registration no. XML 841
Frame no. S8-5250
Engine no. P-22034
• Moto unique au monde
• Superbe conception mécanique
• Première mise sur le marché

Propriétaire en 1969 d'une agile variante S8 du modèle, Gordon Griffiths, constructeur expérimenté de « spéciales » à deux roues, devenu insatisfait de la faible puissance de ces modèles, changea le moteur d'abord pour un Volkswagen 1200 de Coccinelle dont la fiabilité répondit à toutes ses attentes. L'étape suivante consista logiquement à rechercher davantage de puissance avec un Porsche série A 1955 destiné à la Sunbeam. Une cloche spéciale fut coulée en aluminium comme les cache-culbuteurs qui remplacèrent les pièces Porsche en tôle emboutie et la première sortie de la Sunbeam-Porsche eut lieu au BMF Rally de 1970.

Essayée ensuite sur route par feu John Ebbrell du magazine Motor-Cycle News (exemplaires et photos dans le dossier) elle fit la première de ses sidérantes apparitions dans les salons au « Motor Cycle » à l'Olympia .Un réservoir et des clignotants de BMW, une fourche Norton « Roadholder » et une suspension arrière très retouchée ont été installés et un authentique compteur de vitesse de Vincent Black Shadow. Ces dernières sont dues à son deuxième propriétaire, ingénieur membre de l'APMC, qui l'hérita en 1992.

Cette unique Sunbeam-Porsche est accompagnée d'un volumineux et très détaillé dossier historique, de moules de fonderie, de photographie grand format, des documents V5C et RF60. Une occasion unique à saisir pour tout passionné de mécanique moto à son apogée ou pour un propriétaire de Porsche avec un penchant pour les deux roues. Il convient de noter que le V5C enregistre de manière incorrecte la qualité de 990cc.

Footnotes

  • c.1952 Sunbeam-Porsche 1300cc special
    Registration: XML 841
    Frame No S8-5250
    Engine No: P-22034


    • A unique motor cycle.
    • Beautifully engineered.
    • On the market for the first time.
    .




    An owner in 1969 of the nimbler S8 variant of the design, Gordon Griffiths, a highly-experienced builder of two-wheel 'specials', became dissatisfied with the models low power and changed it to initially a Volkswagen 1200 'Beetle' power unit, which proved as reliable as expected. The next step was the logical way of finding more power, with a 1955 Porsche 'A-Series' motor for the Sunbeam. A special bell-housing was cast in aluminium, as were rocker-box covers, replacing Porsche's pressed-steel items and the Sunbeam-Porsche's first show outing was to the 1970 BMF Rally.

    Subsequently road-tested by the late John Ebbrell for Motor-Cycle News (copies and photos on file) it made the first of its many show-stopping appearances, this time for 'Motor Cycle' at Olympia. A BMW tank and indicators, Norton 'Roadholder' forks and much-revised rear suspension have been fitted and a genuine Vincent Black Shadow speedometer. These latter were from the hands of its second custodian, an APMC engineer member, who inherited it in 1992.

    This unique Sunbeam-Porsche comes with an immensely-detailed history file, casting patterns, large-format photographs, V5C and RF60 documents. A one-off opportunity for the lover of motor cycle engineering at its best, or for the Porsche owner who relishes two wheels. It should be noted that the V5C incorrectly records the capacity as 990cc.
Contacts
Sunbeam-Porsche Spécial 1300 cm3 c.1952  Frame no. S8-5250 Engine no. P-22034
Sunbeam-Porsche Spécial 1300 cm3 c.1952  Frame no. S8-5250 Engine no. P-22034
Sunbeam-Porsche Spécial 1300 cm3 c.1952  Frame no. S8-5250 Engine no. P-22034
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