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  Article Image gallery (94) B21-72-25 Specifications  
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Country of origin:Great Britain
Produced in:1972
Numbers built:28 (All engines)
Designed by:Derek Bennett
Predecessor:Chevron B19 Cosworth
Author:Wouter Melissen
Last updated:July 09, 2020
Download: All images
Chassis: B21-72-25
In the fall of 1971, this Chevron B21 was ordered from Chevron by Swiss racer Peter Ettmüller. A few months later, it became clear that Chevron had a backlog and the B21 could not be delivered in time for the start of the season. As a stop-gap, Etmuller was offered the ex-works B19-71-25 to race during the first half of 1972. The car was finally ready in June and first entered by Squadra Tartaruga for Ettmuller and Walter Frey in the Zeltweg 1000km race. They qualified 12th but failed to reach the finish due to an exhaust failure. The next outing was at the St. Ursanne - Les Rangiers hill-climb where Ettmüller finished seventh overall and third in class.

Disappointed with the performance of the FVC engine, Ettmüller and Frey had the car stripped over the winter with an eye on fitting a Tecno flat-eight. This engine proved so troublesome that it was never fitted to the modified chassis. The B21 was never rebuilt in period and served mainly as a source of spares for the B19, which was raced through to 1977 by Ettmüller and subsequent owner Rodolfo Cescato. A crash during the Bergrennen Oberhallau finally ended the B19's contemporary career. All the surviving parts of the two cars were sold to Edi Wyss. In the subsequent years the parts for the two cars were separated.

In 2014, all the components that belonged to the B21 were acquired by a Swiss historic racer from Johannes Kistler. At the same time, he also acquired the damaged chassis of B19-71-25. He has since rebuilt the two cars, which fittingly are now raced from the same stable. In 2018, this B21 won its class during the Le Mans Classic.


Chassis details
Manufactured in 1972
First owner Peter Ettmüller
Last known location Swiss Historic Racer
Appearances

2019 Grand Prix de l'Age d'Or 2019 Grand Prix de l'Age d'Or 2019 Grand Prix de l'Age d'Or 2019 Grand Prix de l'Age d'Or
2019 Grand Prix de l'Age d'Or 2019 Grand Prix de l'Age d'Or 2018 Imola Classic 2018 Imola Classic
2018 Imola Classic 2018 Imola Classic 2018 Imola Classic 2018 Dix Mille Tours
2018 Dix Mille Tours 2018 Dix Mille Tours 2018 Dix Mille Tours 2018 Dix Mille Tours
2018 Le Mans Classic 2018 Le Mans Classic 2018 Le Mans Classic 2018 Le Mans Classic
2018 Grand Prix de l'Age d'Or 2018 Grand Prix de l'Age d'Or 2018 Grand Prix de l'Age d'Or 2018 Grand Prix de l'Age d'Or
2018 Grand Prix de l'Age d'Or 2018 Grand Prix de l'Age d'Or 2018 Spa Classic 2018 Spa Classic
2018 Spa Classic 2018 Spa Classic 2018 Spa Classic 2018 Espiritu de Montjuic
2018 Espiritu de Montjuic 2018 Espiritu de Montjuic 2018 Espiritu de Montjuic 2018 Espiritu de Montjuic
2018 Espiritu de Montjuic 2018 Espiritu de Montjuic 2018 Espiritu de Montjuic

  Article Image gallery (94) B21-72-25 Specifications