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Alternator alternative

by

Martin Cartwright

Having made the decision to use the 2CV engine 16 months ago at the beginning of our build, I wanted to centralise the alternator to make a more symmetrical front to the car and to bring the lines together at a square number plate to better balance the Bugatti ‘boat tail’ we planned for the rear. I also wanted to hide the fan belt behind the number plate.

So Christmas 2015 was spent with the engine on the kitchen table experimenting with alternatives until a solution was found which involved:-

Additional supports were made to secure the folded side wings of the plate to the oil cooler at the top. By inserting four threaded studs through the four front facing holes, these supported the front alternator fixing (belt adjuster) and cover. The threading was essential as it enabled me to make small adjustments to bring everything into alignment.

A solid timber former was then made to the shape of the alternator and a stainless steel box was made, held in place by drilling holes through the front of the box and sliding it onto the ends of the four studs. The studs were then cropped to size and the box secured by four dome headed nuts. In this way the box gave rigidity to the four studs and added strength to the alternator support.

The fan belt can be adjusted or changed by simply removing the four dome nuts and the box, although it is a bit more involved getting to the points – which is why I took the opportunity of changing them for electronic ignition which hopefully will rarely need to be touched.

I am pleased with the symmetry of the result. But the icing on the cake was when Phil Gregory said it was reminiscent of a Bentley turbocharger.... Job done!

Martin Cartwright

Alternator alternative
Alternator alternative
Alternator alternative
Alternator alternative

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