dynamo to alternator

[westie]

hello, can any one help, i am restoring a 68 moss malvern using the triumph vitesse 2 litre, the dynamo is shot and i have been told it can be converted to an alternator, is this easy to do and can a first timer do it, any info will help, thanks

[MartinClan]

This used to be a common conversion years ago although you don't hear many people doing it now - mainly because most have already been converted! The alternator replaces the dynamo and the voltage regulator. The best place to look for specific info about the Vitesse would by the Triumph Sports Six Club.

The main thing to be careful of is that everything is fused properly and that cable sizes are correct - an alternator can generate a lot more amps than a dynamo.

Robin

[westie]

hello robin, thanks for reply, as far as fuses and cables are concerned i am going to be replacing the complete loom and fuse box as there are that many cut and shuts, and some of the loom has already started to melt in places. thanks tony.

[MEKKMan]

I performed this swap on a 1943 Ford tractor. I'm not familiar with the 68 moss malvern but the basic principles are the same.

Is the 68 moss malvern 6 or 12 V?
.......6 V:Are you going to convert a 6V vehicle to 12V?
....................Yes: Your old wiring can handle about twice the
...........................current needed by 12V replacement parts.
...........................You'll need to replace all lights, motors, etc
...........................except, perhaps, the starter. Some 6V starters work at 12V.
..........................The ignition requires special attention when changing voltage - new coil and all that.

Is there an alternator that bolts up in place of the dynamo?
...........No: You will need to buy or fabricate brackets.
.................You will need to find a belt the right length

Does the pulley on the crankshaft march the pulley on the alternator?
..........(Many new alternators use flat belts. Most dynamos used V belts.
............Replacing the alternator pulley can be a bear and V belt pulleys the
............proper outside and shaft diameter can be quite difficult to find.)

Are you going to use a "one wire" alternator
...........No: Reconsider! One wire alternators are much easier to use.

Do you know the maximum draw of the engine and vehicle?
...........No: Find out! You'll need to know to select proper fusing
.................Remember the 12V system will draw less current than the 6V system.

You'll love the change over to an alternator. Lights won't dim at idle, the ignition will work better, your battery stays charged better in city driving, alternators don't require brush changing, and starting is better in cold and wet weather (it's 32 degrees below wind chill here today and the tractor started!).

[kitkarman]

I would think you would be ok with a lucas 17 acr wont have to alter brackets much as replaced the c40 dynamo that was fitted to most small cars ie mini etc when they changed to alternators,only needs two wires allthough can use 3 any of large terminals to perm + battery or starter small to dash light,put a fuse in main one if you like but manufacturers didnt.

http://www.kitcarland.co.uk