Vtwin ! this looks like a lot of fun.
that hidden dynamo driven from the rear hub is a clever thought, me like
maybe a decent set of front pipes + some tyding up and go!
https://www.carandclassic.com/car/C1770626
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1949 Ariel NG350 which someone has inserted a JAP 750cc side valve V Twin lump. V5C is with it. This bike starts easily, runs great, is charging strongly and pulls like a train. Very clever belt drive from the rear wheel powers a dynamo hidden in the toolbox and twin coils sit behind the battery carrier. It all works as it should, it looks ace, and out runs a Harley from the same period. Loads of fun to rev the anorak's up with and all for decent A10 money, or tell me what you have in exchange... older machines are my preference.