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Originally Posted by Andrew Kitson
The Roger Nathan Astra RNR1 was one of my favourite cars in 1960s club racing. Roger Nathan financed a sports car project in 1966 designed by Frank Costin, The Costin-Nathan powered by 1-litre Imp engine. A coupe GT version was built in 1967 and a 2-litre BMW powered Nathan was raced in 1968. In all, 30 Nathans were built.
Roger re-designed the car for 1969 and named it the Astra RNR1. I believe this was the only one built. It still used the Costin concept of wooden monocoque with front and rear subframes. A 2-litre Coventry Climax FPF was fitted, but later was replaced by a 235bhp Cosworth FVA F2 engine. The car then became the 'RNR1A' and it won many races and set numerous GT lap records. It also raced in International events including 2nd in class in the 1969 Nurburgring 500kms.
A revised version was built for 1970, the RNR2 using an 1800cc Cosworth FVC.
Here is a photo, front cover of Autosport in September '69 of Roger in RNR1A at Crystal Palace.
Jeremy Jackson said
Roger Nathan's 1970 RNR2 was the "sixth out of eight RNR2s built so far" according to Autosport in May 1970, but I think that would be 8 Astras in total, not just RNR2s...
RNR1 chassis 3 was apparently used in WCM races from 1969-75; In 1969 by messrs. Selback/Theissen at the Nürburgring, and from 1972-75 was owned by Olaf Wijk.
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I believe this car is the car Roger used and is now in Germany still with FVC engine fitted- is this the RNR1A as mentioned above?
In theory 3 RNR1 cars and 5 RNR2 cars are built
2 RNR1 cars are known to exist at present is it possible that 1 became the 1st RNR2?
what is the difference between RNR1 & 2?
any photos?
i have a photo of the original brochure