The article in CBG August is largely factually correct, other than the writer and, indeed, it would appear the owner, are not aware that for the 1931/32 seasons Ariel made two ranges of bikes with sloping engines.
The article is all about the ‘Slopers’ whereas the bike pictured in the article is an ‘Inclined’ model.
The inclined models were based on the 1929-30 250 ‘Colt’ models with vertical engines that shared very few parts, engine or cycle with the larger vertical models.
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The range consisted of 250 and 350 capacities with side and overhead valves.
Read more of this Letter, Opinion, News and Features in the October 2019 issue of CBG –on sale now!