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  Stohr Design

1907 Christie - new article

9/9/2013

2 Comments

 
The Autumn issue of the Bulletin of the Vintage Sports Car Club UK has a great article on the 1907 Grand Prix Christie.  The article contains 8 pages of high quality photos and history of this famous Christie racer.  I worked with John Staveley and the editors to produce a sketch of what the transmission may have looked like on the car.  This is the first known attempt to imagine what Christie was thinking, since no photos or drawings exist.  I believe Walter Christie realized that his previously exposed transmission gears were not such a good idea.  So the biggest change he made from the 1906 racer was to enclose the transmission gears inside the left end of the crankcase.  The concept included some features from his patent; a long transverse shaft still had to drive each front wheel through each outboard clutch housing.  Otherwise the 1907 engine used a similar V4 configuration and the same cylinders as the 1906 car.  The 1907 racer wasn't really much faster, period articles claim the bore and stroke were actually reduced by 1/8inch.  But Christie really needed a new car, as the 1906 chassis had been raced continuously since early 1905.  Below is a small image of the proposed transmission layout. Contact me for a copy of the article.
Picture
2 Comments
Steven
2/11/2021 07:57:03 pm

Hi I have interest in V4 engines and have been interested in the engine in Walter Christies car. I like the illustration of the insides of the engine in this post and I would like a copy of the article, thank you.

Reply
Lee Stohr
2/11/2021 08:43:36 pm

Hi Steven,
Send me an email and I'll get it to you. leestohr at teleport.com

Reply



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    Lee Stohr (b.1957: Delaware, USA) is an American race car designer and owner of STOHR DESIGN

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